[dd, decimal degrees; ft, feet above the North American Vertical Datum of 1988; OB, bulk deposition from E or VWM; E, depth-integrated depth-integrated environmental; VWM, volume-weighted mean of two snowpack layers; ANC, acid neutralization capacity; ueq/L, microequivalents per liter; uS/cm, microsiemens per centimeter; SC, specific conductance at 25degC; pH values in standard units; H, hydrogen; Ca, calcium; Mg, magnesium; Na, sodium; K, potassium; NH4, ammonium; Cl, chloride; SO4, sulfate; NO3, nitrate; DOC, dissolved organic carbon; mg/L, milligrams per liter; SWE, snow-water equivalent; cm, centimeters; d34S, stable-sulfur isotope ratio (34S/32S); Hg, mercury; ng/L, nanograms per liter; NA or empty cell indicates not analyzed; <, below reporting limits; M, presence verified but not quantified; %, percent missing year indicates no sample collected or sample results reviewed and rejected Roth 1994: Mercury in water by CVAFD with potassium dichromate preservation USEPA Method 1631, Rev E: Mercury in water by Oxidation, Purge and Trap, and CVAFS] Station ID 430010109452500 Site Name ELKHART PARK, WY Latitude (dd) 43.00277778 Longitude (dd) -109.7569444 Elevation (ft) 9397 SiteNumber StationName SampleDate WaterYear SampleType ANC (ueq/L) SC (uS/cm) pH H (ueq/L) Ca (ueq/L) Mg (ueq/L) Na (ueq/L) K (ueq/L) NH4 (ueq/L) Cl (ueq/L) SO4 (ueq/L) NO3 (ueq/L) DOC (mg/L) Total N (mg/L) Total Dissolved N (mg/L) Hg (ng/L) Roth 1994 Hg (ng/L) USEPA 1631 d34S (per mil) SWE (cm) Snow Depth (cm) Ionic Balance (%) 430010109452500 ELKHART PARK, WY 1993-03-25 1993 OB -11 4 5.4 4 <3.1 <1.7 <3 0.5 8.9 <1.1 6 5.4 0.3 3.9 36 135 8.1 430010109452500 ELKHART PARK, WY 1994-03-26 1994 OB -7 4 5.3 5 3.5 <1.7 <3 <0.5 4.7 1.1 5.6 6.4 0.5 6.6 117 0.4 430010109452500 ELKHART PARK, WY 1995-03-23 1995 OB -7 5 5.1 7.9 4 <1.7 <3 <0.5 4.2 <1.1 8.5 7.4 0.7 7.3 142 0.6 430010109452500 ELKHART PARK, WY 1995-03-23 1995 OB 142 430010109452500 ELKHART PARK, WY 1996-03-21 1996 OB -3 3 5.3 5 3.5 <1.7 1.3 0.8 3.2 1.1 4.4 5.4 0.7 6.9 142 11.7 430010109452500 ELKHART PARK, WY 1997-03-20 1997 OB -8 4 5.2 6.3 <3.1 <1.7 0.5 2.2 1.1 4 5.4 0.8 7.3 157 -7.7 430010109452500 ELKHART PARK, WY 1998-03-25 1998 OB -7 4 5.3 5 6.5 <1.7 0.5 3.7 2.3 8.1 7.8 0.4 7.3 127 -7.4 430010109452500 ELKHART PARK, WY 1999-03-23 1999 OB -6.8 4 5.2 6.3 5 <1.7 1.3 1 4.9 1.4 5.6 7 0.4 8.2 127 13.8 430010109452500 ELKHART PARK, WY 2000-03-08 2000 OB -3.6 3 5.3 5 4 <1.7 1.7 0.5 4.3 <1.1 4.4 6.3 0.4 127 18.3 430010109452500 ELKHART PARK, WY 2002-03-26 2002 OB -8.4 5 5.3 5 6 <1.7 1.7 0.8 5.5 1.1 5.2 7.9 0.5 1.1 7.6 33 119 14.5 430010109452500 ELKHART PARK, WY 2003-03-25 2003 OB 1 4 5.6 2.5 8.5 4 3 1 8.6 1.4 6.9 7.9 0.7 1.1 31 124 27.7 430010109452500 ELKHART PARK, WY 2004-03-23 2004 OB -13.2 6 5.1 7.9 3.4 <1.7 <0.9 <0.5 3.3 <1.1 5.6 7.1 0.6 0.4 5.9 36 109 7 430010109452500 ELKHART PARK, WY 2005-03-15 2005 OB -10.4 6 5.2 6.3 <3.1 <1.7 <0.9 1 4.3 <1.1 4.2 6.4 0.9 3 45 112 4.5 430010109452500 ELKHART PARK, WY 2006-03-14 2006 OB -3.8 3.8 5.3 5 1.5 <0.2 <0.9 <0.5 3.2 1.1 3.5 5.7 0.38 5.8 31 119 -3 430010109452500 ELKHART PARK, WY 2007-03-14 2007 OB -5.4 4.4 5.3 5 16.5 1.6 1.3 0.5 3.7 0.8 4.2 6.4 0.52 5.7 23 86 43 430010109452500 ELKHART PARK, WY 2008-03-18 2008 OB -8.6 6.1 5.1 7.9 6 0.8 <0.9 0.8 5.3 0.8 4.2 7.1 0.86 27 107 26.4 430010109452500 ELKHART PARK, WY 2009-03-11 2009 OB 5 3.7 5.9 1.3 8 1.6 3.9 1.3 4.2 3.1 4.6 6.4 0.66 5.53 27 107 28.4 430010109452500 ELKHART PARK, WY 2010-03-11 2010 OB -7.2 5.4 5.1 7.9 5 1.6 1.3 0.5 6.7 0.8 5.2 10 0.57 2.23 21 84 17.9 430010109452500 ELKHART PARK, WY 2011-03-14 2011 OB 0.2 3.6 5.4 4 4.5 0.8 <0.9 0.8 3.3 <0.6 3.3 5 0.71 4.6 35 137 24.2 430010109452500 ELKHART PARK, WY 2012-03-15 2012 OB 0 3 5.2 6.3 9.5 2.5 3 1 5.8 2 4.6 4.4 0.8 0.17 3.89 35 127 43.7 430010109452500 ELKHART PARK, WY 2013-03-11 2013 OB -10 3 5.2 6.3 5.5 <1.6 1.3 1.3 7.2 1.1 4.4 7.9 0.8 0.21 4.49 26 104 23.4 430010109452500 ELKHART PARK, WY 2014-03-10 2014 OB 4.8 2 5.8 1.6 4 <0.8 1.7 0.5 5.2 0.8 2.5 3.8 0.38 0.13 0.14 52 206 43 430010109452500 ELKHART PARK, WY 2015-03-16 2015 OB -2.8 3.3 5.3 5 3 0.8 1.3 0.5 3.7 1.1 2.1 4.3 0.33 0.1 1.53 30 102 31.2 430010109452500 ELKHART PARK, WY 2016-03-10 2016 OB 0.2 2.5 5.7 2 4.5 0.8 2.2 0.3 4.8 1.1 2.7 4.3 <0.2 0.16 1.9 21 86 29.3