USGS - science for a changing world

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

Real-Time Specific Conductance, in µS/cm

Map of , showing which states provide real-time computed water-quality data
01104410 01104415 01104455 01100568 01104453 01095434 422302071083801 01104420 01104460 01104430 01104370 01104475 01104425 01104405 01095375 01168250 01184000 01095220 421650071120401 011008745 01104480 421652071120601 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