WATER-QUALITY ASSESSMENT OF THE SOUTH PLATTE RIVER BASIN, COLORADO, NEBRASKA, AND WYOMING -- PHYSICAL, CHEMICAL, AND BIOLOGICAL DATA, FISCAL YEARS 1993-95

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                                  06759910        - SOUTH PLATTE RIVER AT COOPER BRIDGE, NR BALZAC,


                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1993 TO DECEMBER 1993

                                                                                                                DIS-
                                                                                                              CHARGE,   SPE-
                                                                                                               INST.    CIFIC
                                LAT-           LONG-                                         HYDRO-  TEMPER-   CUBIC    CON-
                                 I-             I-      MEDIUM   SAMPLE                      LOGIC    ATURE     FEET    DUCT-
            DATE      TIME      TUDE           TUDE      CODE     TYPE     STATE   COUNTY    EVENT    WATER     PER     ANCE
                                                                                                     (DEG C)   SECOND  (US/CM)
                                                                                                     (00010)  (00061)  (00095)

           APR
             08...    1300   40 21 27 N   103 27 58 W       9       9          08   087        9      11.000   445.00   1786.0
           MAY
             12...    1315   40 21 27 N   103 27 58 W       9       9          08   087        9      17.000   141.00   1980.0
           JUN
             07...    1320   40 21 27 N   103 27 58 W       9       9          08   087        9      19.500   73.000   1520.0
             21...    1245   40 21 27 N   103 27 58 W       9       9          08   087        9      23.000   1550.0   737.00
           JUL
             12...    1215   40 21 27 N   103 27 58 W       9       9          08   087        9      25.900   173.00   1880.0
           AUG
             09...    1250   40 21 27 N   103 27 58 W       9       9          08   087        9      26.200   458.00   1600.0
           SEP
             01...    1315   40 21 27 N   103 27 58 W       9       9          08   087        9      22.500   201.00   1870.0
           OCT
             19...    1400   40 21 27 N   103 27 58 W       9       9          08   087        9      13.100   237.00   1700.0
           NOV
             01...    1325   40 21 27 N   103 27 58 W       9       9          08   087        9      9.0000   45.500   1857.0
           DEC
             20...    1340   40 21 27 N   103 27 58 W       9       7          08   087        9     0.00000   281.00   1870.0



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1993 TO DECEMBER 1993




                                   PH      ALKA-    NITRO-   NITRO-   NITRO-   NITRO-   NITRO-                     PHOS-
                                  WATER   LINITY     GEN,     GEN,   GEN,AM-  GEN,AM-    GEN,             PHOS-   PHORUS
                                  WHOLE   WAT DIS  AMMONIA  NITRITE  MONIA +  MONIA +  NO2+NO3   PHOS-   PHORUS    ORTHO,
                        OXYGEN,   FIELD   TOT FET    DIS-     DIS-   ORGANIC  ORGANIC    DIS-   PHORUS     DIS-    DIS-
                          DIS-   (STAND-   FIELD    SOLVED   SOLVED   DIS.     TOTAL    SOLVED   TOTAL    SOLVED  SOLVED
                DATE     SOLVED    ARD    MG/L AS   (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   (MG/L
                         (MG/L)   UNITS)   CACO3    AS N)    AS N)    AS N)    AS N)    AS N)    AS P)    AS P)   AS P)
                        (00300)  (00400)  (00418)  (00608)  (00613)  (00623)  (00625)  (00631)  (00665)  (00666)  (00671)

            APR
              08...      9.9000   8.0000   242.00  0.08000  0.04000  0.30000  0.60000   4.5000  0.45000  0.34000  0.34000
            MAY
              12...      8.8000   8.4000   247.50  0.02000  0.05000  0.30000  0.80000   3.8000  0.27000  0.17000  0.18000
            JUN
              07...      7.5000   8.3000   201.00  0.02000  0.02000  0.30000  0.40000   3.3000  0.32000  0.28000  0.28000
              21...      8.0000   8.3000   121.00  0.02000 <0.01000  0.30000  0.90000   1.9000  0.54000  0.27000  0.27000
            JUL
              12...      7.9000   8.4000   233.00  0.02000  0.03000  0.50000  0.90000   3.6000  0.37000  0.24000  0.21000
            AUG
              09...      9.2000   8.4000   222.00  0.04000  0.02000  0.50000  0.60000   3.4000  0.24000  0.21000  0.18000
            SEP
              01...      10.500   8.1000     --    0.03000  0.03000  0.40000  0.50000   4.4000  0.21000  0.20000  0.18000
            OCT
              19...      10.200   8.3000   221.00  0.08000  0.03000  0.70000   1.0000   4.7000  0.37000  0.26000  0.27000
            NOV
              01...      12.200   8.2000   251.00  0.09000  0.02000  0.40000  0.60000   4.2000  0.24000  0.14000  0.16000
            DEC
              20...      12.200   8.5000   268.00  0.23000  0.04000  0.50000  0.60000   5.0000  0.28000  0.22000  0.21000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1993 TO DECEMBER 1993




                                          CARBON,
                                 CARBON,  ORGANIC            MAGNE-            POTAS-   CHLO-             FLUO-   SILICA,
                        CARBON,  ORGANIC   SUS-    CALCIUM    SIUM,  SODIUM,    SIUM,   RIDE,   SULFATE   RIDE,    DIS-
                        ORGANIC   DIS-    PENDED    DIS-      DIS-    DIS-      DIS-    DIS-     DIS-      DIS-    SOLVED
                         TOTAL   SOLVED    TOTAL    SOLVED   SOLVED  SOLVED    SOLVED   SOLVED   SOLVED   SOLVED   (MG/L
                DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L     AS
                         AS C)    AS C)    AS C)    AS CA)   AS MG)   AS NA)   AS K)    AS CL)  AS SO4)   AS F)    SIO2)
                        (00680)  (00681)  (00689)  (00915)  (00925)  (00930)  (00935)  (00940)  (00945)  (00950)  (00955)

            APR
              08...        --     3.7000   1.0000   160.00   55.000   150.00   10.000   84.000   550.00  0.80000   14.000
            MAY
              12...        --     3.8000   1.3000   170.00   63.000   170.00   11.000   91.000   730.00  0.70000   11.000
            JUN
              07...        --     4.2000   2.2000   140.00   49.000   130.00   9.0000   65.000   500.00  0.70000   14.000
              21...        --     5.2000   3.3000   64.000   22.000   56.000   5.7000   31.000   200.00  0.60000   11.000
            JUL
              12...        --     4.2000   1.9000   160.00   60.000   160.00   10.000   82.000   630.00  0.90000   14.000
            AUG
              09...        --     4.3000  >5.0000   140.00   57.000   140.00   9.0000   65.000   550.00  0.80000   12.000
            SEP
              01...      4.8000     --       --     170.00   66.000   160.00   9.7000   76.000   680.00  0.90000   15.000
            OCT
              19...        --     5.8000  0.20000   140.00   55.000   130.00   11.000   78.000   560.00  0.80000   12.000
            NOV
              01...        --     3.2000  0.30000   160.00   59.000   160.00   10.000   83.000   640.00  0.90000   14.000
            DEC
              20...        --     3.3000  0.90000   170.00   58.000   160.00   8.7000   79.000   630.00  0.90000   16.000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1993 TO DECEMBER 1993





                                  BERYL-            CHRO-                                        MANGA-   MOLYB-
                        BARIUM,   LIUM,   CADMIUM   MIUM,   COBALT,  COPPER,   IRON,    LEAD,    NESE,    DENUM,  NICKEL,
                         DIS-     DIS-      DIS-    DIS-     DIS-     DIS-      DIS-     DIS-     DIS-     DIS-    DIS-
                        SOLVED    SOLVED   SOLVED   SOLVED  SOLVED    SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED
                DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L
                         AS BA)   AS BE)   AS CD)   AS CR)   AS CO)   AS CU)   AS FE)   AS PB)   AS MN)   AS MO)   AS NI)
                        (01005)  (01010)  (01025)  (01030)  (01035)  (01040)  (01046)  (01049)  (01056)  (01060)  (01065)

            APR
              08...        --       --       --       --       --       --     5.0000     --     12.000     --       --
            MAY
              12...        --       --       --       --       --       --    <3.0000     --     20.000     --       --
            JUN
              07...        --       --       --       --       --       --    <3.0000     --     23.000     --       --
              21...        --       --       --       --       --       --     25.000     --     5.0000     --       --
            JUL
              12...      57.000  <1.0000  <1.0000  <1.0000  <1.0000   4.0000   4.0000  <1.0000   6.0000   6.0000   4.0000
            AUG
              09...      42.000  <1.0000  <1.0000  <1.0000  <1.0000   3.0000  <3.0000  <1.0000   6.0000   8.0000   4.0000
            SEP
              01...      50.000  <1.0000  <1.0000  <1.0000  <1.0000   5.0000  <3.0000  <1.0000   5.0000   7.0000   4.0000
            OCT
              19...      44.000  <1.0000  <1.0000  <1.0000  <1.0000   6.0000   9.0000  <1.0000   15.000   6.0000   5.0000
            NOV
              01...      46.000  <1.0000  <1.0000  <1.0000  <1.0000   3.0000  <3.0000  <1.0000   53.000   6.0000   4.0000
            DEC
              20...      43.000  <1.0000  <1.0000   3.0000   1.0000   8.0000  <3.0000  <1.0000   21.000   4.0000   6.0000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1993 TO DECEMBER 1993




                                                                              SOLIDS,                             QUALITY
                                           ANTI-    ALUM-    SELE-   URANIUM  RESIDUE                             ASSUR-
                        SILVER,   ZINC,    MONY,    INUM,    NIUM,   NATURAL  AT 180             SEDI-             ANCE
                          DIS-     DIS-     DIS-     DIS-     DIS-     DIS-    DEG. C            MENT,    REP-     DATA
                         SOLVED   SOLVED   SOLVED   SOLVED   SOLVED   SOLVED    DIS-   SAMPLE    SUS-    LICATE   INDICA-
                DATE     (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    (UG/L    SOLVED  PURPOSE   PENDED   TYPE     TOR
                         AS AG)   AS ZN)   AS SB)   AS AL)   AS SE)   AS U)    (MG/L)   CODE     (MG/L)  (CODE)    CODE
                        (01075)  (01090)  (01095)  (01106)  (01145)  (22703)  (70300)  (71999)  (80154)  (99105)  (99111)

            APR
              08...        --       --       --       --       --       --     1290.0     --     59.000     --       --
            MAY
              12...        --       --       --       --       --       --     1500.0     --     48.000     --     10.000
            JUN
              07...        --       --       --       --       --       --     1100.0     --     72.000     --       --
              21...        --       --       --       --       --       --     481.00     --     657.00     --       --
            JUL
              12...     <1.0000   8.0000  <1.0000   6.0000   4.0000   50.000   1370.0     --       --       --       --
            AUG
              09...     <1.0000   4.0000  <1.0000   6.0000   4.0000   38.000   1190.0     --       --       --       --
            SEP
              01...     <1.0000   4.0000  <1.0000   7.0000   4.0000   45.000   1420.0     --     49.000     --       --
            OCT
              19...     <1.0000   14.000  <1.0000   7.0000   4.0000   43.000   1220.0     --     56.000     --       --
            NOV
              01...     <1.0000   4.0000  <1.0000   5.0000   5.0000   48.000   1350.0     --     36.000     --       --
            DEC
              20...     <1.0000   10.000  <1.0000   8.0000   6.0000   51.000   1370.0   15.000   48.000   30.000   100.00



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994

                                                                                                                DIS-
                                                                                                              CHARGE,   SPE-
                                                                                                               INST.    CIFIC
                                LAT-           LONG-                                         HYDRO-  TEMPER-   CUBIC    CON-
                                 I-             I-      MEDIUM   SAMPLE                      LOGIC    ATURE     FEET    DUCT-
            DATE      TIME      TUDE           TUDE      CODE     TYPE     STATE   COUNTY    EVENT    WATER     PER     ANCE
                                                                                                     (DEG C)   SECOND  (US/CM)
                                                                                                     (00010)  (00061)  (00095)

           JAN
             05...    1325   40 21 27 N   103 27 58 W       9       9          08   087        9      3.6000   427.00   1760.0
           FEB
             25...    1310   40 21 27 N   103 27 58 W       9       9          08   087        9      4.0000   251.00   1711.0
           MAR
             11...    1050   40 21 27 N   103 27 58 W       9       9          08   087        9      8.3000   667.00   1658.0
           APR
             19...    1410   40 21 27 N   103 27 58 W       9       9          08   087        9      18.300   195.00   1800.0
             26...    1255   40 21 27 N   103 27 58 W       9       9          08   087        9      12.900   147.00   2050.0
           MAY
             10...    1230   40 21 27 N   103 27 58 W       9       9          08   087        9      16.600   193.00   1980.0
           JUN
             02...    0830   40 21 27 N   103 27 58 W       9       9          08   087        9      18.700   451.00   1560.0
           JUL
             07...    1200   40 21 27 N   103 27 58 W       9       9          08   087        9      20.400   157.00   1880.0
           AUG
             02...    1240   40 21 27 N   103 27 58 W       9       7          08   087        9      25.500   247.00   1915.0
             31...    0905   40 21 27 N   103 27 58 W       9       9          08   087        9      16.300   326.00   1840.0
           OCT
             13...    1425   40 21 27 N   103 27 58 W       9       9          08   087        9      15.300   19.600   1850.0
           NOV
             21...    1220   40 21 27 N   103 27 58 W       9       9          08   087        9      7.6000   25.200   1900.0
           DEC
             14...    0855   40 21 27 N   103 27 58 W       9       9          08   087        9      2.5000   82.800   1940.0



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                               PH      ALKA-    NITRO-   NITRO-   NITRO-   NITRO-   NITRO-                     PHOS-
                              WATER   LINITY     GEN,     GEN,   GEN,AM-  GEN,AM-    GEN,             PHOS-   PHORUS   CARBON,
                              WHOLE   WAT DIS  AMMONIA  NITRITE  MONIA +  MONIA +  NO2+NO3   PHOS-   PHORUS    ORTHO,  ORGANIC
                    OXYGEN,   FIELD   TOT FET    DIS-     DIS-   ORGANIC  ORGANIC    DIS-   PHORUS     DIS-    DIS-     DIS-
                      DIS-   (STAND-   FIELD    SOLVED   SOLVED   DIS.     TOTAL    SOLVED   TOTAL    SOLVED  SOLVED   SOLVED
            DATE     SOLVED    ARD    MG/L AS   (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L   (MG/L     (MG/L
                     (MG/L)   UNITS)   CACO3    AS N)    AS N)    AS N)    AS N)    AS N)    AS P)    AS P)   AS P)     AS C)
                    (00300)  (00400)  (00418)  (00608)  (00613)  (00623)  (00625)  (00631)  (00665)  (00666)  (00671)  (00681)

           JAN
             05...   12.200   8.5000   243.00  0.18000  0.06000  0.50000  0.90000   5.7000  0.52000  0.34000  0.35000   3.5000
           FEB
             25...   11.900   8.3000   247.00  0.13000  0.07000  0.50000  0.80000   6.5000  0.52000  0.43000  0.43000   3.9000
           MAR
             11...   11.400   8.4000   228.00  0.07000  0.04000  0.50000   1.0000   6.3000  0.73000  0.52000  0.51000   4.1000
           APR
             19...   8.1000   8.4000     --    0.02000  0.02000  0.30000  0.70000   4.4000  0.34000  0.25000  0.25000     --
             26...   9.2000   8.4000   273.00  0.03000  0.03000  0.30000  0.60000   4.0000  0.25000  0.17000  0.17000   3.9000
           MAY
             10...   8.2000   8.2000   256.00  0.06000  0.03000  0.40000   1.4000   3.9000  0.61000  0.20000  0.19000   4.1000
           JUN
             02...   8.4000   8.5000   182.00  0.03000  0.02000  0.40000   1.4000   3.2000  0.45000  0.22000  0.22000   3.7000
           JUL
             07...   9.2000   8.4000   224.00  0.01000  0.03000  0.90000   1.2000   2.1000  0.24000  0.23000  0.08000   5.4000
           AUG
             02...   7.9000   8.4000   243.00  0.03000  0.02000  0.50000   1.2000   2.5000  0.31000  0.18000  0.16000   4.5000
             31...   8.2000   8.4000   260.00  0.01000  0.01000  0.30000  0.40000   4.3000  0.17000  0.15000  0.14000   3.4000
           OCT
             13...   10.500   8.2000   248.00  0.02000  0.02000  0.30000  0.30000   3.3000  0.18000  0.14000  0.17000   3.4000
           NOV
             21...   11.600   8.2000   256.00  0.06000  0.03000  0.30000  0.50000   3.7000  0.21000  0.14000  0.15000   3.4000
           DEC
             14...   11.300   8.4000   269.00  0.25000  0.04000  0.70000  0.60000   4.9000  0.21000  0.15000  0.17000   3.4000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                    CARBON,
                    ORGANIC            MAGNE-            POTAS-   CHLO-             FLUO-   SILICA,            MANGA-   PROP-
                     SUS-    CALCIUM    SIUM,  SODIUM,    SIUM,   RIDE,   SULFATE   RIDE,    DIS-     IRON,    NESE,    CHLOR,
                    PENDED    DIS-      DIS-    DIS-      DIS-    DIS-     DIS-      DIS-    SOLVED    DIS-     DIS-    WATER,
                     TOTAL    SOLVED   SOLVED  SOLVED    SOLVED   SOLVED   SOLVED   SOLVED   (MG/L    SOLVED   SOLVED   DISS,
            DATE     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L     AS      (UG/L    (UG/L    REC
                     AS C)    AS CA)   AS MG)   AS NA)   AS K)    AS CL)  AS SO4)   AS F)    SIO2)    AS FE)   AS MN)  (UG/L)
                    (00689)  (00915)  (00925)  (00930)  (00935)  (00940)  (00945)  (00950)  (00955)  (01046)  (01056)  (04024)

           JAN
             05...   2.1000   150.00   56.000   150.00   8.5000   79.000   560.00   1.0000   14.000  <3.0000   15.000     --
           FEB
             25...   2.1000   140.00   54.000   150.00   9.6000   73.000   540.00   1.0000   14.000  <3.0000   24.000     --
           MAR
             11...     --     130.00   52.000   140.00   9.1000   73.000   510.00   1.0000   12.000   5.0000   9.0000     --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...  0.90000   180.00   62.000   170.00   11.000   86.000   710.00  0.90000   13.000  <3.0000   27.000     --
           MAY
             10...     --     180.00   61.000   160.00   9.2000   86.000   680.00  0.80000   13.000  <3.0000   96.000 <0.00700
           JUN
             02...   3.7000   130.00   49.000   130.00   8.2000   70.000   490.00  0.90000   11.000  <3.0000   10.000 <0.00700
           JUL
             07...   3.0000   150.00   64.000   170.00   10.000   86.000   670.00   1.0000   12.000  <3.0000   12.000     --
           AUG
             02...   2.9000   150.00   63.000   170.00   9.9000   94.000   670.00   1.1000   14.000  <3.0000   6.0000     --
             31...   1.9000   160.00   61.000   160.00   5.6000   80.000   620.00   1.0000   13.000  <3.0000   4.0000 <0.00700
           OCT
             13...  0.40000   170.00   61.000   160.00   10.000   80.000   620.00   1.0000   15.000  <3.0000   170.00     --
           NOV
             21...   1.6000   170.00   60.000   160.00   10.000   85.000   640.00  0.90000   15.000   6.0000   120.00     --
           DEC
             14...  0.50000   180.00   62.000   160.00   1.3000   87.000   650.00   1.0000   16.000   10.000   39.000     --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                                                        DEETHYL                                                          PRO-
                     BUTYL-   BRO-     SI-      PRO-     ATRA-    CYANA-                             DICAMBA   MCPA,    POXUR,
                     ATE,     MACIL,  MAZINE,   METON,   ZINE,    ZINE,   FONOFOS   ALPHA             WATER,   WATER,   WATER,
                     WATER,   WATER,   WATER,   WATER,   WATER,   WATER,   WATER     BHC     P,P'     FLTRD,   FLTRD,   FLTRD,
                     DISS,    DISS,    DISS,    DISS,    DISS,    DISS,    DISS      DIS-     DDE    GF 0.7U  GF 0.7U  GF 0.7U
            DATE     REC      REC      REC      REC      REC      REC       REC    SOLVED   DISSOLV    REC      REC      REC
                    (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)    (UG/L)   (UG/L)   (UG/L)
                    (04028)  (04029)  (04035)  (04037)  (04040)  (04041)  (04095)  (34253)  (34653)  (38442)  (38482)  (38538)

           JAN
             05...     --       --       --       --       --       --       --       --       --       --       --       --
           FEB
             25...     --       --       --       --       --       --       --       --       --       --       --       --
           MAR
             11...     --       --       --       --       --       --       --       --       --       --       --       --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --       --       --       --       --       --       --       --       --       --       --       --
           MAY
             10... <0.00200     --   <0.00500  0.04500 E0.04200 <0.00400 <0.00300 <0.00200 <0.00600     --       --       --
           JUN
             02... <0.00200 <0.03500 <0.00500  0.04600 E0.07000  0.04200 <0.00300 <0.00200 <0.00600 <0.03500 <0.05000 <0.03500
           JUL
             07...     --       --       --       --       --       --       --       --       --       --       --       --
           AUG
             02...     --       --       --       --       --       --       --       --       --       --       --       --
             31... <0.00200 <0.03500 <0.00500  0.04200 E0.11000 <0.00400 <0.00300 <0.00200 <0.00600 <0.03500 <0.05000 <0.03500
           OCT
             13...     --       --       --       --       --       --       --       --       --       --       --       --
           NOV
             21...     --       --       --       --       --       --       --       --       --       --       --       --
           DEC
             14...     --       --       --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                     BENTA-            FLUO-
                      ZON,    2,4-DB  METURON                                                                  ATRA-
                     WATER,   WATER,   WATER,   CHLOR-             DI-     METO-    MALA-    PARA-     DI-     ZINE,
                     FLTRD,   FLTRD,   FLTRD,  PYRIFOS  LINDANE   ELDRIN  LACHLOR   THION,   THION,  AZINON,   WATER,   2,4-D,
                    GF 0.7U  GF 0.7U  GF 0.7U    DIS-    DIS-      DIS-    WATER     DIS-     DIS-     DIS-    DISS,     DIS-
            DATE      REC      REC      REC     SOLVED  SOLVED    SOLVED  DISSOLV   SOLVED   SOLVED   SOLVED   REC      SOLVED
                     (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)  (UG/L)    (UG/L)   (UG/L)   (UG/L)  (UG/L)    (UG/L)
                    (38711)  (38746)  (38811)  (38933)  (39341)  (39381)  (39415)  (39532)  (39542)  (39572)  (39632)  (39732)

           JAN
             05...     --       --       --       --       --       --       --       --       --       --       --       --
           FEB
             25...     --       --       --       --       --       --       --       --       --       --       --       --
           MAR
             11...     --       --       --       --       --       --       --       --       --       --       --       --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --       --       --       --       --       --       --       --       --       --       --       --
           MAY
             10...     --       --       --   <0.00400 <0.00400 <0.00100 0.006000 <0.00500 <0.00400 <0.00200  0.08500     --
           JUN
             02... <0.01400 <0.03500 <0.03500 <0.00400 <0.00400 <0.00100  0.07400 <0.00500 <0.00400 <0.00200  0.24000 <0.03500
           JUL
             07...     --       --       --       --       --       --       --       --       --       --       --       --
           AUG
             02...     --       --       --       --       --       --       --       --       --       --       --       --
             31... <0.01400 <0.03500 <0.03500 <0.00400 <0.00400 <0.00100  0.01500 <0.00500 <0.00400 <0.00200  0.20000 <0.03500
           OCT
             13...     --       --       --       --       --       --       --       --       --       --       --       --
           NOV
             21...     --       --       --       --       --       --       --       --       --       --       --       --
           DEC
             14...     --       --       --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                                                 TRI-     PRO-     PIC-     ORY-   NORFLUR    NEB-     METH-    FEN-    ESFEN-
                                       ALA-    CLOPYR,   PHAM,    LORAM,   ZALIN,   AZON,    URON,    OMYL,    URON,    VAL-
                                       CHLOR,   WATER,   WATER,   WATER,   WATER,   WATER,   WATER,   WATER,   WATER,   ERATE,
                    2,4,5-T  SILVEX,   WATER,   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,  WAT,FLT
                      DIS-     DIS-    DISS,   GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U
            DATE     SOLVED   SOLVED   REC,      REC      REC      REC      REC      REC      REC      REC      REC      REC
                     (UG/L)   (UG/L)  (UG/L)    (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                    (39742)  (39762)  (46342)  (49235)  (49236)  (49291)  (49292)  (49293)  (49294)  (49296)  (49297)  (49298)

           JAN
             05...     --       --       --       --       --       --       --       --       --       --       --       --
           FEB
             25...     --       --       --       --       --       --       --       --       --       --       --       --
           MAR
             11...     --       --       --       --       --       --       --       --       --       --       --       --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --       --       --       --       --       --       --       --       --       --       --       --
           MAY
             10...     --       --   <0.00200     --       --       --       --       --       --       --       --       --
           JUN
             02... <0.03500 <0.02100 <0.00200 <0.05000 <0.03500 <0.05000 <0.01900 <0.02400 <0.01500 <0.01700 <0.01300 <0.01900
           JUL
             07...     --       --       --       --       --       --       --       --       --       --       --       --
           AUG
             02...     --       --       --       --       --       --       --       --       --       --       --       --
             31... <0.03500 <0.02100 <0.00200 <0.05000 <0.03500 <0.05000 <0.01900 <0.02400 <0.01500 <0.01700 <0.01300 <0.01900
           OCT
             13...     --       --       --       --       --       --       --       --       --       --       --       --
           NOV
             21...     --       --       --       --       --       --       --       --       --       --       --       --
           DEC
             14...     --       --       --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                                               DICHLOR  DICHLO-  CLOPYR-   CHLOR-  3HYDRXY    BRO-   ALDICA-   ACIFL-  SOLIDS,
                             DIURON,  DINOSEB   PROP,    BENIL,   ALID,    AMBEN,   CARBO-  MOXYNIL  RB SUL-  UORFEN   RESIDUE
                     DNOC     WATER,   WATER,   WATER,   WATER,   WATER,   WATER,   FURAN    WATER,  FOXIDE,   WATER,  AT 180
                    WAT,FLT   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,   FLTRD,  WAT,FLT   FLTRD,  WAT,FLT   FLTRD,   DEG. C
                    GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U  GF 0.7U    DIS-
            DATE      REC      REC      REC      REC      REC      REC      REC      REC      REC      REC      REC     SOLVED
                     (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (MG/L)
                    (49299)  (49300)  (49301)  (49302)  (49303)  (49305)  (49307)  (49308)  (49311)  (49314)  (49315)  (70300)

           JAN
             05...     --       --       --       --       --       --       --       --       --       --       --     1270.0
           FEB
             25...     --       --       --       --       --       --       --       --       --       --       --     1210.0
           MAR
             11...     --       --       --       --       --       --       --       --       --       --       --     1180.0
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --       --       --       --       --       --       --       --       --       --       --     1340.0
           MAY
             10...     --       --       --       --       --       --       --       --       --       --       --     1480.0
           JUN
             02... <0.03500 <0.02000 <0.03500 <0.03200 <0.02000 <0.05000 <0.01100 <0.01400 <0.03500 <0.02100 <0.03500   1110.0
           JUL
             07...     --       --       --       --       --       --       --       --       --       --       --     1420.0
           AUG
             02...     --       --       --       --       --       --       --       --       --       --       --     1420.0
             31... <0.03500 <0.02000 <0.03500 <0.03200 <0.02000 <0.05000 <0.01100 <0.01400 <0.03500 <0.02100 <0.03500   1340.0
           OCT
             13...     --       --       --       --       --       --       --       --       --       --       --     1350.0
           NOV
             21...     --       --       --       --       --       --       --       --       --       --       --     1420.0
           DEC
             14...     --       --       --       --       --       --       --       --       --       --       --     1470.0



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                                               2,6-DI-    TRI-    ETHAL-             TER-     LIN-   METHYL              PEB-
                                       METRI-   ETHYL    FLUR-    FLUR-   PHORATE   BACIL    URON     PARA-    EPTC     ULATE
                              SEDI-    BUZIN   ANILINE   ALIN     ALIN     WATER    WATER    WATER    THION    WATER    WATER
                              MENT,   SENCOR   WAT FLT  WAT FLT  WAT FLT   FLTRD    FLTRD    FLTRD   WAT FLT   FLTRD    FILTRD
                    SAMPLE    SUS-     WATER    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U
            DATE    PURPOSE   PENDED  DISSOLV  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC
                     CODE     (MG/L)  (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                    (71999)  (80154)  (82630)  (82660)  (82661)  (82663)  (82664)  (82665)  (82666)  (82667)  (82668)  (82669)

           JAN
             05...     --     82.000     --       --       --       --       --       --       --       --       --       --
           FEB
             25...     --     52.000     --       --       --       --       --       --       --       --       --       --
           MAR
             11...     --     162.00     --       --       --       --       --       --       --       --       --       --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --     204.00     --       --       --       --       --       --       --       --       --       --
           MAY
             10...     --     256.00 <0.00400 <0.00300 <0.00200 <0.00400 <0.00200 <0.00700 <0.00200 <0.00600 0.009000 <0.00400
           JUN
             02...     --     81.000 <0.00400 <0.00300 <0.00200 <0.00400 <0.00200 <0.00700 <0.00200 <0.00600  0.02300 <0.00400
           JUL
             07...     --     45.000     --       --       --       --       --       --       --       --       --       --
           AUG
             02...   15.000   62.000     --       --       --       --       --       --       --       --       --       --
             31...     --     79.000 <0.00400 <0.00300 <0.00200 <0.00400 <0.00200 <0.00700 <0.00200 <0.00600 <0.00200 <0.00400
           OCT
             13...     --     101.00     --       --       --       --       --       --       --       --       --       --
           NOV
             21...     --     122.00     --       --       --       --       --       --       --       --       --       --
           DEC
             14...     --     97.000     --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                     TEBU-     MOL-    ETHO-     BEN-    CARBO-    TER-    PRON-    DISUL-   TRIAL-    PRO-     CAR-    THIO-
                    THIURON   INATE    PROP     FLUR-    FURAN    BUFOS    AMIDE    FOTON    LATE     PANIL    BARYL   BENCARB
                     WATER    WATER    WATER    ALIN     WATER    WATER    WATER    WATER    WATER    WATER    WATER    WATER
                     FLTRD    FLTRD    FLTRD   WAT FLD   FLTRD    FLTRD    FLTRD    FLTRD    FLTRD    FLTRD    FLTRD    FLTRD
                     0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U
            DATE    GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC
                    (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)
                    (82670)  (82671)  (82672)  (82673)  (82674)  (82675)  (82676)  (82677)  (82678)  (82679)  (82680)  (82681)

           JAN
             05...     --       --       --       --       --       --       --       --       --       --       --       --
           FEB
             25...     --       --       --       --       --       --       --       --       --       --       --       --
           MAR
             11...     --       --       --       --       --       --       --       --       --       --       --       --
           APR
             19...     --       --       --       --       --       --       --       --       --       --       --       --
             26...     --       --       --       --       --       --       --       --       --       --       --       --
           MAY
             10... <0.01000 <0.00400 <0.00300 <0.00200 <0.00300 <0.01300 <0.00300 <0.01700 <0.00100 <0.00400 <0.00300 <0.00200
           JUN
             02... <0.01000 <0.00400 <0.00300 <0.00200 E0.02300 <0.01300 <0.00300 <0.01700 <0.00100 <0.00400 <0.00300 <0.00200
           JUL
             07...     --       --       --       --       --       --       --       --       --       --       --       --
           AUG
             02...     --       --       --       --       --       --       --       --       --       --       --       --
             31... <0.01000 <0.00400 <0.00300 <0.00200 <0.00300 <0.01300 <0.00300 <0.01700 <0.00100 <0.00400 <0.00300 <0.00200
           OCT
             13...     --       --       --       --       --       --       --       --       --       --       --       --
           NOV
             21...     --       --       --       --       --       --       --       --       --       --       --       --
           DEC
             14...     --       --       --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1994 TO DECEMBER 1994




                                  PENDI-  NAPROP-    PRO-   METHYL     PER-    DIAZ-   TERBUTH    HCH             QUALITY
                         DCPA     METH-    AMIDE   PARGITE   AZIN-   METHRIN   INON    YLAZINE   ALPHA            ASSUR-
                         WATER    ALIN     WATER    WATER    PHOS      CIS    D10 SRG  SURROGT  D6 SRG             ANCE
                         FLTRD   WAT FLT   FLTRD    FLTRD   WAT FLT  WAT FLT  WAT FLT  WAT FLT  WAT FLT   REP-     DATA
                         0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U    0.7 U   LICATE   INDICA-
                DATE    GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC  GF, REC   TYPE     TOR
                        (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   (UG/L)   PERCENT  PERCENT  PERCENT  (CODE)    CODE
                        (82682)  (82683)  (82684)  (82685)  (82686)  (82687)  (91063)  (91064)  (91065)  (99105)  (99111)

            JAN
              05...        --       --       --       --       --       --       --       --       --       --       --
            FEB
              25...        --       --       --       --       --       --       --       --       --       --       --
            MAR
              11...        --       --       --       --       --       --       --       --       --       --       --
            APR
              19...        --       --       --       --       --       --       --       --       --       --       --
              26...        --       --       --       --       --       --       --       --       --       --       --
            MAY
              10...     0.04800 <0.00400 <0.00300 <0.01300 <0.00100 <0.00500   101.00   209.00   86.600     --       --
            JUN
              02...     0.16000 <0.00400 <0.00300 <0.01300 <0.00100 <0.00500   88.300   122.00   98.600     --       --
            JUL
              07...        --       --       --       --       --       --       --       --       --       --       --
            AUG
              02...        --       --       --       --       --       --       --       --       --     30.000   100.00
              31...    0.005000 <0.00400 <0.00300 <0.01300 <0.00100 <0.00500   122.00   113.00   98.500     --     10.000
            OCT
              13...        --       --       --       --       --       --       --       --       --       --       --
            NOV
              21...        --       --       --       --       --       --       --       --       --       --       --
            DEC
              14...        --       --       --       --       --       --       --       --       --       --       --



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1995 TO DECEMBER 1995




                                         LAT-           LONG-                                         HYDRO-  TEMPER-
                                          I-             I-      MEDIUM   SAMPLE                      LOGIC    ATURE
                     DATE      TIME      TUDE           TUDE      CODE     TYPE     STATE   COUNTY    EVENT    WATER
                                                                                                              (DEG C)
                                                                                                              (00010)

                 JAN
                   15...       0720   40 21 27 N   103 27 58 W       9       9          08   087        9      1.6000
                 FEB
                   07...       1125   40 21 27 N   103 27 58 W       9       9          08   087        9      8.8000
                 MAR
                   14...       1335   40 21 27 N   103 27 58 W       9       7          08   087        9      13.800
                 APR
                   18...       1340   40 21 27 N   103 27 58 W       9       9          08   087        9      12.300
                 MAY
                   10...       1030   40 21 27 N   103 27 58 W       9       9          08   087        9      17.000
                   20...       1015   40 21 27 N   103 27 58 W       9       9          08   087        9      14.300
                 JUN
                   02...       1155   40 21 27 N   103 27 58 W       9       9          08   087        9      17.500
                   26...       1245   40 21 27 N   103 27 58 W       9       9          08   087        9      20.000
                 AUG
                   17...       0945   40 21 27 N   103 27 58 W       9       9          08   087        9        --
                   28...       1330   40 21 27 N   103 27 58 W       9       7          08   087        9      26.000
                 SEP
                   28...       1200   40 21 27 N   103 27 58 W       9       9          08   087        9      16.000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1995 TO DECEMBER 1995




                               DIS-                       PH      ALKA-    NITRO-   NITRO-   NITRO-   NITRO-   NITRO-
                             CHARGE,   SPE-              WATER   LINITY     GEN,     GEN,   GEN,AM-  GEN,AM-    GEN,
                              INST.    CIFIC             WHOLE   WAT DIS  AMMONIA  NITRITE  MONIA +  MONIA +  NO2+NO3
                              CUBIC    CON-    OXYGEN,   FIELD   TOT FET    DIS-     DIS-   ORGANIC  ORGANIC    DIS-
                               FEET    DUCT-     DIS-   (STAND-   FIELD    SOLVED   SOLVED   DIS.     TOTAL    SOLVED
                     DATE      PER     ANCE     SOLVED    ARD    MG/L AS   (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                              SECOND  (US/CM)   (MG/L)   UNITS)   CACO3    AS N)    AS N)    AS N)    AS N)    AS N)
                             (00061)  (00095)  (00300)  (00400)  (00418)  (00608)  (00613)  (00623)  (00625)  (00631)

                 JAN
                   15...      215.00   1750.0   15.000   8.5000   261.00  0.36000  0.04000  0.70000  0.80000   4.9000
                 FEB
                   07...      12.900   1860.0   10.500   8.0000   247.00  0.05000  0.07000  0.30000  0.30000   3.5000
                 MAR
                   14...      398.00   1830.0   10.800   8.2000   259.00  0.02000  0.02000  0.30000  0.70000   4.9000
                 APR
                   18...      188.00   1930.0   9.7000   8.2000   257.00  0.06000  0.03000  0.30000  0.40000   4.2000
                 MAY
                   10...      140.00   1549.0     --     8.2000   214.00 <0.01500  0.02000  0.40000  0.90000   4.3000
                   20...      3740.0   700.00   7.0000   8.0000   100.00  0.04000  0.02000  0.50000   2.9000   2.1000
                 JUN
                   02...      14700.   649.00   5.6000   7.8000   101.00  0.03000  0.02000  0.60000   1.2000  0.98000
                   26...      9520.0   542.00   7.4000   8.0000   85.000  0.06000  0.02000  0.30000  0.80000  0.84000
                 AUG
                   17...        --       --       --       --       --    0.03000  0.03000  0.70000     --     2.4000
                   28...      395.00   1543.0   10.100   8.4000   228.00 <0.01500  0.02000  0.50000   1.1000   3.0000
                 SEP
                   28...      1710.0   1437.0   8.0000   8.3000   223.00 <0.01500  0.02000  0.40000   1.1000   5.2000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1995 TO DECEMBER 1995




                                                PHOS-            CARBON,
                                       PHOS-   PHORUS   CARBON,  ORGANIC            MAGNE-            POTAS-   CHLO-
                              PHOS-   PHORUS    ORTHO,  ORGANIC   SUS-    CALCIUM    SIUM,  SODIUM,    SIUM,   RIDE,
                             PHORUS     DIS-    DIS-     DIS-    PENDED    DIS-      DIS-    DIS-      DIS-    DIS-
                              TOTAL    SOLVED  SOLVED   SOLVED    TOTAL    SOLVED   SOLVED  SOLVED    SOLVED   SOLVED
                     DATE     (MG/L    (MG/L   (MG/L     (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L    (MG/L
                              AS P)    AS P)   AS P)     AS C)    AS C)    AS CA)   AS MG)   AS NA)   AS K)    AS CL)
                             (00665)  (00666)  (00671)  (00681)  (00689)  (00915)  (00925)  (00930)  (00935)  (00940)

                 JAN
                   15...     0.28000  0.30000  0.26000   3.7000   1.5000   160.00   55.000   150.00   9.8000   80.000
                 FEB
                   07...     0.15000  0.14000  0.14000   3.2000  0.20000   170.00   59.000   150.00   11.000   86.000
                 MAR
                   14...     0.35000  0.26000  0.24000   3.4000   1.4000   160.00   57.000   160.00   9.4000   86.000
                 APR
                   18...     0.22000  0.18000  0.20000   3.3000  0.50000   180.00   58.000   160.00   10.000   87.000
                 MAY
                   10...     0.34000  0.25000  0.24000   4.2000   1.3000   130.00   48.000   130.00   8.9000   79.000
                   20...      1.2000  0.18000  0.17000   6.3000   11.000   56.000   20.000   55.000   6.8000   31.000
                 JUN
                   02...     0.43000  0.18000  0.18000   12.000   4.3000   54.000   20.000   46.000   7.8000   25.000
                   26...     0.37000  0.14000  0.14000   5.8000   2.7000   41.000   14.000   36.000   3.2000   21.000
                 AUG
                   17...        --    0.11000  0.10000     --       --       --       --       --       --       --
                   28...     0.34000  0.15000  0.13000   4.6000   3.6000   130.00   53.000   130.00   9.0000   66.000
                 SEP
                   28...     0.52000  0.31000  0.30000   4.0000   3.0000   110.00   47.000   120.00   7.9000   66.000



                                   WATER-QUALITY DATA, CALENDAR YEAR JANUARY 1995 TO DECEMBER 1995




                                                                          SOLIDS,                             QUALITY
                                       FLUO-   SILICA,            MANGA-  RESIDUE                             ASSUR-
                             SULFATE   RIDE,    DIS-     IRON,    NESE,   AT 180             SEDI-             ANCE
                              DIS-      DIS-    SOLVED    DIS-     DIS-    DEG. C            MENT,    REP-     DATA
                              SOLVED   SOLVED   (MG/L    SOLVED   SOLVED    DIS-   SAMPLE    SUS-    LICATE   INDICA-
                     DATE     (MG/L    (MG/L     AS      (UG/L    (UG/L    SOLVED  PURPOSE   PENDED   TYPE     TOR
                             AS SO4)   AS F)    SIO2)    AS FE)   AS MN)   (MG/L)   CODE     (MG/L)  (CODE)    CODE
                             (00945)  (00950)  (00955)  (01046)  (01056)  (70300)  (71999)  (80154)  (99105)  (99111)

                 JAN
                   15...      560.00  0.90000   15.000   5.0000   30.000   1190.0     --     61.000     --       --
                 FEB
                   07...      620.00  0.90000   15.000  <3.0000   130.00   1370.0     --     45.000     --       --
                 MAR
                   14...      590.00   1.0000   14.000  <3.0000   16.000   1340.0   15.000   75.000   30.000   100.00
                 APR
                   18...      640.00  0.90000   15.000  <3.0000   18.000   1430.0     --     21.000     --       --
                 MAY
                   10...      420.00   1.0000   13.000   3.0000   19.000   1100.0     --     43.000     --       --
                   20...      170.00  0.70000   9.4000   38.000   19.000   450.00     --     656.00     --       --
                 JUN
                   02...      160.00  0.70000   15.000   140.00   21.000   438.00     --     921.00     --       --
                   26...      130.00  0.60000   7.6000   16.000   22.000   346.00     --       --       --       --
                 AUG
                   17...        --       --       --       --       --       --       --       --       --       --
                   28...      510.00   1.0000   12.000  <3.0000   7.0000   1130.0   15.000   125.00   30.000   100.00
                 SEP
                   28...      420.00  0.90000   14.000   8.0000   6.0000   982.00     --     151.00     --       --