Gulf Coast Gauges

West Fork San Jacinto River below Lake Conroe near Conroe water level

USGS gauge 08067650 · Montgomery County · San Jacinto River watershed

14.08 ft

gage height, Oct 23, 2026 at 2:15 PM CDT · 35 minutes ago

Highest since 1973 (USGS)
46.12 ft (August 28, 2017)
Usual range
14.05 to 14.34 ft

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

No National Weather Service alert covering Montgomery County was active when this page was generated (Oct 23, 2026 at 2:50 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

14.1 14.3 14.6 Oct 17 Oct 18 Oct 19 Oct 20 Oct 21 Oct 22 Oct 23

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, which sits at 116.06 ft NGVD29. It is not a water depth and not an elevation: add 116.06 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

14.0 15.3 16.6 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 1973

In 53 complete water years of comparable USGS records (since 1973), the highest peak was 46.12 ft on August 28, 2017. So far in water year 2027 (since October 1) the highest reading is 16.59 ft on October 2, 2026, higher than the annual peak in 2 of 53 years.

12 21 31 40 49 1980 1990 2000 2010 2020 Water year 1973: 30.85 ft on June 13, 1973 Water year 1974: 29.00 ft on January 28, 1974 Water year 1975: 28.74 ft on May 10, 1975 Water year 1976: 29.32 ft on June 3, 1976 Water year 1977: 29.83 ft on April 20, 1977 Water year 1978: 25.95 ft on February 10, 1978 Water year 1979: 33.22 ft on April 21, 1979 Water year 1980: 26.37 ft on May 19, 1980 Water year 1981: 20.71 ft on June 16, 1981 Water year 1982: 29.08 ft on May 15, 1982 Water year 1983: 35.50 ft on May 22, 1983 Water year 1984: 25.65 ft on March 13, 1984 Water year 1985: 29.03 ft on February 25, 1985 Water year 1986: 28.58 ft on June 9, 1986 Water year 1987: 28.58 ft on June 14, 1987 Water year 1989: 25.99 ft on June 15, 1989 Water year 1990: 27.09 ft on April 2, 1990 Water year 1991: 29.85 ft on January 18, 1991 Water year 1992: 29.89 ft on December 22, 1991 Water year 1993: 28.95 ft on January 21, 1993 Water year 1994: 25.69 ft on February 22, 1994 Water year 1995: 42.68 ft on October 17, 1994 Water year 1996: 23.45 ft on December 18, 1995 Water year 1997: 26.84 ft on March 18, 1997 Water year 1998: 32.22 ft on January 10, 1998 Water year 1999: 39.85 ft on November 14, 1998 Water year 2000: 14.91 ft on May 4, 2000 Water year 2001: 36.36 ft on June 10, 2001 Water year 2002: 29.61 ft on December 15, 2001 Water year 2003: 39.14 ft on November 5, 2002 Water year 2004: 34.11 ft on February 13, 2004 Water year 2005: 29.59 ft on February 12, 2005 Water year 2006: 26.54 ft on November 5, 2005 Water year 2007: 34.25 ft on January 16, 2007 Water year 2008: 28.00 ft on September 24, 2008 Water year 2009: 25.43 ft on April 21, 2009 Water year 2010: 29.86 ft on October 30, 2009 Water year 2011: 17.37 ft on August 18, 2011 Water year 2012: 17.51 ft on February 18, 2012 Water year 2013: 15.13 ft on May 22, 2013 Water year 2014: 27.14 ft on May 16, 2014 Water year 2015: 34.81 ft on May 27, 2015 Water year 2016: 38.59 ft on May 28, 2016 Water year 2017: 46.12 ft on August 28, 2017 Water year 2018: 33.89 ft on March 30, 2018 Water year 2019: 34.14 ft on December 9, 2018 Water year 2020: 25.19 ft on June 1, 2020 Water year 2021: 34.93 ft on May 2, 2021 Water year 2022: 27.09 ft on March 24, 2022 Water year 2023: 34.33 ft on April 8, 2023 Water year 2024: 44.76 ft on May 2, 2024 Water year 2025: 32.14 ft on May 4, 2025 Water year 2026: 25.62 ft on July 14, 2026 Water year 2027 so far: 16.59 ft on October 2, 2026 2017 2024 1995

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, 202616.59 ftOct 2, 2026 at 2:15 AM CDT2.5 fthighest since water year 2026 (25.62 ft on July 14, 2026)

Download the readings

west-fork-san-jacinto-river-below-lake-conroe-near-conroe.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,037 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.