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
11455508 11455142 11462500 11467000 11447650 11463682 11463980 11044000 11455335 11126000 11455140 380631122032201 11447890 11455315 11455350 11455146 11273400 11455478 11463000 11128500 11455136 382006121401601 11337190 381934121403201 11465240 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