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Subject is Groundwater
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View Resource Water Tech Briefs: Ultraviolet Disinfection

Using ultraviolet (UV) light for drinking water disinfection dates back to 1916 in the U.S. UV disinfection involves exposing contaminated water to radiation from UV light. The treatment works...
View Resource Water Tech Briefs: Valve Exercising

Every water system has valves?devices that regulate, stop, or start the flow of water in the distribution lines. Being able to operate these valves at a moment?s notice is extremely important. In an ...
View Resource Water Tech Briefs: Valves

Valves direct, start, stop, mix, or regulate the flow, pressure, or temperature of a fluid. Many types of valves exist. This Tech Brief examines the most common types of valves, problems that may be...
View Resource Water Tech Briefs: How to Operate and Maintain Manganese Greensand Treatment Units

As one remote West Virginia school discovered, these treatment units are effective in removing iron and manganese from drinking water?provided that they are installed correctly and maintained p...
View Resource Biosolids, Crop, and Ground-Water Data for a Biosolids-Application Area Near Deer Trail, Colorado, 2004 Through 2006

From 2004 through 2006, the U.S. Geological Survey monitored the chemical composition of biosolids, crops, dust, and ground water related to biosolids applications near Deer Trail, Colorado, in...
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