USGS - science for a changing world

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

Real-Time Dissolved Oxygen, in mg/L

Map of , showing which states provide real-time computed water-quality data
09095500 09085150 09136100 391953108130201 09163500 09070500 09144250 09085000 09152500 09149500 09071750 07099400 07106000 393259107194801 06711565 07109500 09041400 09114500 09040500 09037500 401530105475401 09034250 09020500 09027100 09060799 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