National Water-Quality Assessment (NAWQA) Program - High Plains Regional Groundwater (HPGW) Study

Code Guide

Data Codes

  • < - Value is known to be less than the reported value
  • E - Value is estimated

Parameter definitions

  • STAID - Well identification number
  • SNAME - Well name
  • DATES - Date sample was collected
  • TIMES - Time sample was collected
  • LAT - Latitude of well location
  • LONG - Longitude of well location
  • MEDIM - Medium code (i.e. surface water, groundwater, animal tissue, core material, etc...)
    • 6 = environmental ground-water sample
    • 9 = environmental surface-water sample
    • Q = Quality-assurance blank sample (groundwater and surface water)
    • S = Quality-assurance spike or replicate sample (groundwater)
    • R = Quality-assurance spike or replicate sample (surface water)
  • STYPE - Sample type
    • 9 = regular enviromental sample (surface water)
    • 7 = replicate sample (groundwater and surface water)
    • 2 = Quality-assurance blank sample (groundwater and surface water)
    • 1 = Quality-assurance spike sample (groundwater and surface water)
  • STATE - State code
    • 08 = Colorado
    • 20 = Kansas
    • 31 = Nebraska
    • 35 = New Mexico
    • 40 = Oklahoma
    • 46 = South Dakota
    • 48 = Texas
    • 56 = Wyoming
  • CNTYC - State code + 3 digit county code (FIPS code)
  • EVENT - Hydrologic event
    • 9 = Routine sample
    • 7 = Flood
    • 6 = Hurricane
    • 4 = Snowmelt
    • 3 = Regulated flow
    • J = Storm
    • E = Tidal action
  • 00027 - Agency that collected the sample
    • 1028 = U.S. Geological Survey
  • 00028 - Agency that analyzed the sample
    • 80020 = National Water-Quality Central Lab, Denver
    • 1028 = U.S. Geological Survey
  • 99111 - Quality-assurance data type associated with environmental sample
    • 10 = blank
    • 30 = replicate
    • 40 = spike
    • 100 = more than 1 type of QC sample

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
URL: https://co.water.usgs.gov/nawqa/hpgw/datarep/CODEGUIDE.html
More Information: gs-w-codist_webmaster
Page Last Modified: Monday, 13-Mar-2017 17:18:48 EDT