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[Photo: Ground water flowing out of well.]

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Groundwater Availability Detailed in California's Central Valley

USGS Groundwater Watch

USGS maintains a network of active wells to provide basic statistics about groundwater levels.

[Image: USGS active water level wells location map.]

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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.

GWRP Photo Gallery

[Photo: Real-time data collection platform (DCP) installation in North Carolina ]
Real-time data collection platform (DCP) installation in North Carolina
[Photo: Monitoring well installation in the High Plains aquifer near Muleshoe, Texas ]
Monitoring well installation in the High Plains aquifer near Muleshoe, Texas
[Photo: Aerial view of center pivot irrigation in southwestern Kansas. ]
Aerial view of center pivot irrigation in southwestern Kansas.
[Photo: Center pivot springler irrigation in Cochran County, Texas ]
Center pivot springler irrigation in Cochran County, Texas
[Photo: Rhodamine dye injected in stream to trace water movement through a karst aquifer. ]
Rhodamine dye injected in stream to trace water movement through a karst aquifer.
[Photo: Aerial view of south Denver metropolitan area looking west towards the Front Range overlying the Denver Basin aquifers. ]
Aerial view of south Denver metropolitan area looking west towards the Front Range overlying the Denver Basin aquifers.
[Photo: Denver Basin public-supply well in residential area of south Denver metropolitan area. Well is completed in Dawson aquifer. ]
Denver Basin public-supply well in residential area of south Denver metropolitan area. Well is completed in Dawson aquifer.
[Photo: Monitoring well completed in Denver Formation east of Denver, Colorado. ]
Monitoring well completed in Denver Formation east of Denver, Colorado.
Installation of monitoring well completed in Denver Fomation east of Denver, Colorado ]
Installation of monitoring well completed in Denver Fomation east of Denver, Colorado
Monitoring well completed in the High Plains aquifer near a center pivot in the Panhandle of Texas. ]
Monitoring well completed in the High Plains aquifer near a center pivot in the Panhandle of Texas.
USGS personnel making ground-water level measurement. ]
USGS personnel making ground-water level measurement.
[Photo: Center-pivot sprinkler irrigation in Nebraska]
Center-pivot sprinkler irrigation in Nebraska

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Page Last Modified: Thursday, 23-Jul-2009 19:25:06 EDT