The US Geological Survey WaterQualityWatch Web site (http://water.usgs.gov/waterwatch/wqwatch) provides continuous real-time water-quality information about surface waters at over 1,300 sites in the United States.
Users can choose to view national or state maps showing the latest measurements of water temperature, turbidity, specific conductance, dissolved oxygen, pH, and discharge/stream flow.
Such real-time water-quality data may be useful an input to conservation planning and research site selection, as well as guide a wide range of decisions regarding sources of public drinking water and the safety of locations for water recreation.
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