Gulf Coast Gauges

Lake Pelba at I-10 near Henderson water level

USGS gauge 302020091435700 · St. Martin Parish · Lafayette and Acadiana

6.39 ft

gage height, Oct 23, 2026 at 2:45 PM CDT · 2 hours ago

Highest since 2006 (USGS)
19.11 ft (June 1, 2011)
Usual range
6.43 to 6.76 ft

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

No National Weather Service alert covering St. Martin Parish was active when this page was generated (Oct 23, 2026 at 5:05 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

6.4 6.6 6.9 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 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

6.3 6.8 7.2 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 2006

In 21 complete water years of comparable USGS records (since 2006), the highest peak was 19.11 ft on June 1, 2011. So far in water year 2027 (since October 1) the highest reading is 6.81 ft on October 5, 2026.

6 9 13 17 20 2010 2015 2020 2025 Water year 2006: 12.68 ft on February 10, 2006 Water year 2007: 16.98 ft on February 2, 2007 Water year 2008: 18.05 ft on May 4, 2008 Water year 2009: 16.96 ft on June 5, 2009 Water year 2010: 17.50 ft on February 20, 2010 Water year 2011: 19.11 ft on June 1, 2011 Water year 2012: 16.77 ft on February 24, 2012 Water year 2013: 16.31 ft on January 30, 2013 Water year 2014: 13.61 ft on March 1, 2014 Water year 2015: 17.00 ft on April 29, 2015 Water year 2016: 18.20 ft on January 26, 2016 Water year 2017: 18.12 ft on June 6, 2017 Water year 2018: 18.33 ft on March 23, 2018 Water year 2019: 18.88 ft on July 24, 2019 Water year 2020: 18.81 ft on May 4, 2020 Water year 2021: 18.36 ft on April 20, 2021 Water year 2022: 16.25 ft on April 2, 2022 Water year 2023: 16.37 ft on April 15, 2023 Water year 2024: 16.47 ft on June 7, 2024 Water year 2025: 18.29 ft on May 12, 2025 Water year 2026: 15.35 ft on July 7, 2026 Water year 2027 so far: 6.81 ft on October 5, 2026 2011 2019

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.

Download the readings

lake-pelba-at-i-10-near-henderson.csv (CSV): every reading stored for this gauge since September 11, 2026, 3,724 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.