USGS - science for a changing world

WaterQualityWatch -- Continuous Real-Time Water Quality of Surface Water in the United States


Map of , showing which states provide real-time computed water-quality data
03343820 05554300 05543010 07020850 05420500 05465500 05576195 05586300 03336890 03612600 05579620 05579630 05579610 411955088280601 05579624 05551580 05576100 05575550 Explanation

* Site operated on a seasonal basis or currently is not operating.
No values are available for the last 6 hours.

The "Real-time" map tracks short-term changes (over several hours) of water quality. Although the general appearance of the map changes very little from one hour to the next, individual sites may change rapidly in response to major rain events or to reservoir releases. The data used to produce this map are provisional.

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Page Last Modified: Mon 9 June 2014