Pennsylvania Water Science Center

Installing groundwater monitoring equipment


Dennis Risser



USGS Water Science Centers are located in each state.

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 New York Vermont New Hampshire Maine Massachusettes South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Groundwater Recharge Studies

Pennsylvania groundwater recharge estimates by stream basin. Click for a larger version.Recharge is the process of adding water to the saturated zone.  Because it is almost impossible to measure directly, recharge is usually estimated by indirect means.  Recent studies conducted by the U.S. Geological Survey provide (1) estimates of groundwater recharge in Pennsylvania and (2) methods for estimating recharge.

Recharge Estimates for Pennsylvania

Methods for Estimating Recharge

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