Water Quality
Water Quality
Water-quality data are used to evaluate water chemistry, contaminant levels, groundwater age and movement, and spatial and temporal trends of water quality.
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Maricopa County Urban Stormwater Quality
Since 1991, the U.S. Geological Survey (USGS), in cooperation with the Flood Control District of Maricopa County (FCDMC), the city of Phoenix, and the city of Glendale, has been collecting, analyzing, and interpreting urban stormwater information from selected basins throughout the metropolitan Phoenix area. Water-resource managers and policy makers have used this information to determine...
Air Force Plant 44
Industrial activity at Air Force Plant 44 (AFP 44), a manufacturing facility located on property owned by the U.S. Air Force and operated by a major defense contractor, resulted in extensive contamination of groundwater with the industrial solvent trichloroethylene (TCE) and other organic compounds. The sole-source regional aquifer underlying AFP 44 provides potable water for municipal, commercial...