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

USGS is updating how statistical information is delivered. WaterWatch and WaterQualityWatch will be retired around February 24, 2026. Explore alternative tools and share feedback at wdfn@usgs.gov.

Real-Time Water Temperature, in °C

Map of , showing which states provide real-time computed water-quality data
07144780 07137500 06879650 06877600 07144100 07143672 07144790 375350097262800 06818000 06887000 06856600 06889160 06892495 06892513 06888990 07170000 06882510 06889110 07179330 06879150 06893100 06892350 07182510 06865500 07182390 391259097001800 06892518 06887500 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.