About & Data Sources

MyWaterLevel republishes public water data — 740 lakes and 2909 tide stations — in a format built to be read quickly on a phone.

Our sources

NOAA CO-OPS
Tide predictions
USGS NWIS
Lake & reservoir gauges
Bureau of Reclamation
Western reservoirs
Texas Water Development Board
Texas reservoirs

Every page is rebuilt daily and shows the timestamp of the reading it displays. Readings are provisional and may be revised by the publishing agency. Nothing here is suitable for navigation or life-safety decisions. We are an independent site and are not affiliated with any agency.