- Reading
- 9,960 cfs
- Location
- St. John River • ME
Updated May 11, 2026 at 2:15 PM CDT
Search official public gauge readings, river routes, forecasts, alerts, and source freshness across the United States.
Updated May 11, 2026 at 2:15 PM CDT
Gauges online
13,880Source-backed gaugesRivers indexed
10,137Named river recordsStates covered
51Coverage from source metadataForecasts indexed
139,035Forecast recordsLast sync
Finding approximate location for nearby gauges.
Approximate location is used by default. Use exact location for a more precise nearby list.
Illinois River • IL
Illinois River • IL
Fox River • IL
South Skunk River • IA
Pearl River • LA
Little Wabash River • IL
All data comes from USGS Water Data and NOAA/NWS. No third-party estimates.
We sync frequently to keep readings and forecasts as current as sources allow.
Our methods are documented and open. See how data is processed and displayed.