Gulf Coast Gauges

Little White Oak Bayou at Trimble St, Houston water level

USGS gauge 08074540 · Harris County · White Oak Bayou watershed

19.29 ft

gage height, Oct 20, 2026 at 11:00 AM CDT · 35 minutes ago

Highest since 1981 (USGS)
46.21 ft (June 9, 2001)
Usual range
19.29 to 19.48 ft

USGS marks recent readings as provisional: they can be revised after review.

No National Weather Service alert covering Harris County was active when this page was generated (Oct 20, 2026 at 11:35 AM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

19.3 19.5 19.8 Oct 14 Oct 15 Oct 16 Oct 17 Oct 18 Oct 19 Oct 20

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 the gauge's zero point. This gauge's zero is set at 0 ft NAVD88, so its gage height is the water surface elevation above that datum. It is not a water depth.

Daily highs and lows since September 11, 2026

19.3 20.5 21.7 2026-09-11 – 2026-10-20 · bars are daily low to high

Annual peaks since 1981

In 36 complete water years of comparable USGS records (since 1981), the highest peak was 46.21 ft on June 9, 2001. So far in water year 2027 (since October 1) the highest reading is 21.70 ft on October 2, 2026.

20 27 34 41 48 1990 2000 2010 2020 Water year 1981: 38.59 ft on August 31, 1981 Water year 1982: 34.59 ft on May 13, 1982 Water year 1983: 39.42 ft on August 18, 1983 Water year 1984: 33.07 ft on January 9, 1984 Water year 1986: 38.36 ft on June 16, 1986 Water year 1987: 37.49 ft on June 11, 1987 Water year 1990: 34.48 ft on October 30, 1989 Water year 1991: 34.48 ft on January 10, 1991 Water year 1992: 43.17 ft on March 4, 1992 Water year 1996: 33.91 ft on June 23, 1996 Water year 1997: 40.72 ft on May 24, 1997 Water year 1998: 41.46 ft on September 11, 1998 Water year 1999: 33.68 ft on May 12, 1999 Water year 2000: 32.73 ft on May 19, 2000 Water year 2001: 46.21 ft on June 9, 2001 Water year 2003: 36.82 ft on October 28, 2002 Water year 2007: 39.50 ft on July 6, 2007 Water year 2008: 42.96 ft on September 14, 2008 Water year 2009: 39.16 ft on April 18, 2009 Water year 2010: 40.37 ft on July 2, 2010 Water year 2011: 32.82 ft on December 29, 2010 Water year 2012: 35.02 ft on January 25, 2012 Water year 2013: 37.44 ft on September 20, 2013 Water year 2014: 35.16 ft on May 28, 2014 Water year 2015: 44.02 ft on May 26, 2015 Water year 2016: 39.80 ft on October 25, 2015 Water year 2017: 44.11 ft on August 27, 2017 Water year 2018: 36.75 ft on July 4, 2018 Water year 2019: 42.42 ft on September 19, 2019 Water year 2020: 32.53 ft on September 22, 2020 Water year 2021: 33.17 ft on June 21, 2021 Water year 2022: 31.80 ft on October 2, 2021 Water year 2023: 32.74 ft on May 9, 2023 Water year 2024: 42.21 ft on July 8, 2024 Water year 2025: 33.70 ft on June 26, 2025 Water year 2026: 35.13 ft on June 15, 2026 Water year 2027 so far: 21.70 ft on October 2, 2026 2001 2017

Each dot is the highest gage height of a water year (October to September), from the USGS annual peak record, with recent years USGS has not published yet taken from its 15-minute readings and this site's own; hover a dot for its date. Dashed lines are NWS flood stages.

In past storms

StormPeakPeak timeRiseCompared with its record
October 1–2, 202621.70 ftOct 2, 2026 at 5:00 AM CDT2.3 fthighest since water year 2026 (35.13 ft on June 15, 2026)

Harris County gauge nearby

Little White Oak Bayou at Trimble Street, less than 0.1 mi away, read 19.30 ft at Oct 20, 2026 at 7:50 AM CDT, 23.1 ft below its top of bank. Both gauges report water surface elevation.

Download the readings

little-white-oak-bayou-at-trimble-st-houston.csv (CSV): every reading stored for this gauge since September 11, 2026, 929 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.