San Bernard River at FM 521 near Cedar Lane water level
USGS gauge 08117720 · Brazoria County
gage height, Oct 23, 2026 at 1:30 PM CDT · 80 minutes ago
- Usual range
- 1.07 to 2.38 ft
USGS marks recent readings as provisional: they can be revised after review.
- Air Quality Alert — issued Oct 22, 2026 at 5:16 PM CDT, expires Oct 23, 2026 at 9:30 PM CDT.
Air Quality Alert issued October 22 at 5:16PM CDT by NWS Houston/Galveston TX
Text as issued by NWS Houston/Galveston TX.
Last 7 days
Hourly averages of USGS readings. The shaded band is this gauge's usual range: the middle 80% of its readings since September 11, 2026.
How to read this gauge
Gage height is the height of the water surface above this gauge's own zero point. It is not a water depth. USGS publishes no datum elevation for this gauge, so it can't be converted to an elevation here.
Daily highs and lows since September 11, 2026
In past storms
| Storm | Peak | Peak time | Rise | Compared with its record |
|---|---|---|---|---|
| October 1–2, 2026 | 2.70 ft | Oct 4, 2026 at 4:30 AM CDT | 0.4 ft | — |
Download the readings
san-bernard-river-at-fm-521-near-cedar-lane.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,035 rows, with time in UTC and Central, gage height in feet, and the USGS approval status.
Source. Gage height from the U.S. Geological Survey. This site is not affiliated with either agency.