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USGS Groundwater Information

Groundwater Resources Program

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 [Photo: Ground water flowing out of well.]

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USGS in Your State

USGS Water Science Centers are located in each state.

 [Map: There is a USGS Water Science Center office in each State.] Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii and Pacific Islands New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Selected Methods for Estimating Groundwater Recharge In Humid Regions

  • Water Budget
    • Deep Percolation Model
    • HELP3 Model
  • Unsaturated Zone Methods
  • Groundwater Methods
  • Streamflow Methods
  • Tracer Methods
    • Chloride
    • Chlorofluorocarbons
    • Temperature
    • Tritium

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Page Last Modified: Tuesday, 17-Sep-2013 18:14:33 EDT