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

Real-Time pH, field, in standard units

Map of , showing which states provide real-time computed water-quality data
07109500 09095500 09152500 09136100 09251000 06707525 09114500 09070500 09085160 394548108280501 391953108130201 393259107194801 09085000 09149500 09144250 394746108262901 09071750 400712108214601 09163500 07106000 09060799 09040500 06729470 09027100 09014050 09359020 09010500 09034250 09020500 09361500 09037500 09058000 06711565 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.