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Virginia Water Science Center

Clarke County Web site.

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Water-Quality Data for Clarke County, Virginia

Various types of water-quality data collected by the U.S. Geological Survey are available for springs, streams, and wells in Clarke County, Virginia.  These data are grouped by different parameter categories:


Parameter group

All Includes all parameter groups listed below
Biological Fecal coliform and Fecal streptococci
Nutrients Ammonia, nitrite, ammonia plus organic nitrogen, nitrate plus nitrite, orthophosphate, phosphorus, ammonia
Organics Herbicides and pesticides
Major Inorganics Bicarbonate, carbonate, dissolved organic carbon, calcium, magnesium, sodium, potassium, chloride, sulfate, fluoride, silica, alkalinity
Minor and Trace Inorganics Arsenic, barium, beryllium, boron, cadmium, chromium, cobalt, copper, iron, lead, manganese, thallium, molybdenum, nickel, silver, strontium, vanadium, zinc, antimony, aluminum, lithium, selenium, bromide
Physical Property Water temperature, specific conductance, dissolved oxygen, pH, turbidity
Radiochemicals Tritium, uranium, and radon-222



Current Water Conditions for Clarke Co.

Shaded relief map of Clarke County, Va.The USGS provides current ("real-time") stream stage and streamflow, water-quality, and ground-water levels for 4 sites in Clarke County, Va.

Current Water Conditions for the Shenandoah Valley

Shaded relief map of the Shenandoah Valley of Virginia and West VirginiaThe USGS and Virginia Department of Environmental Quality provide current ("real-time") stream stage and streamflow, water-quality, and ground-water levels for 35 sites in the Shenandoah Valley of Virginia and West Virginia.

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Page Last Modified: 28-Feb-2008 14:00:00 EST