US River Water Level API - Official USGS Streamflow GaugesFor flood risk models, water utilities, insurance and paddling apps: river level, streamflow and water temperature from official USGS gauges, with how old each reading is and whether the sensor worked. Over 31,752 time series on 2026-08-30, 2.64% read -999999 and 26.6% were over a year old.
Publisher description, verbatimon USGS Water Services, by users in the last 30 days among actors classified to this platform.
The actors either side of #3 of 4, ranked by users in the last 30 days. Same platform, adjacent adoption — the comparable set.
| # | Actor | Grade | Price / 1k | Users /30d | Success | Rating | Age | Fresh | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | — | EVT$8.37 /1k observation | 12 total | — | — | 6d | fresh | ||
| 2 | — | RES$8.00 /1k | 12 total | — | — | 38d | aging | ||
| 3 | — | EVT$10.00 /1k gauge-reading | 12 total | — | — | 26d | fresh | This | |
| 4 | — | RES$1.00 /1k | 12 total | — | — | 2m | fresh |
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