Gulf Coast Gauges

Pontoon Bridge Canal near Butte Larose water level

USGS gauge 301655091440800 · St. Martin Parish · Lafayette and Acadiana

5.47 ft

gage height, Oct 23, 2026 at 2:30 PM CDT · 3 hours ago

Highest since 2006 (USGS)
17.36 ft (May 12, 2025)
Usual range
5.52 to 5.85 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 5:50 PM CDT). Alerts are issued and expire at any time; the current list is at alerts.weather.gov.

Last 7 days

5.5 5.7 6.0 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 3.46 ft NAVD88. It is not a water depth and not an elevation: add 3.46 ft to get the water surface elevation.

Daily highs and lows since September 11, 2026

4.8 5.6 6.3 2026-09-11 – 2026-10-23 · bars are daily low to high

Annual peaks since 2006

In 18 complete water years of comparable USGS records (since 2006), the highest peak was 17.36 ft on May 12, 2025. So far in water year 2027 (since October 1) the highest reading is 5.92 ft on October 6, 2026.

5 8 12 15 18 2010 2015 2020 2025 Water year 2006: 7.48 ft on May 11, 2006 Water year 2007: 13.23 ft on February 1, 2007 Water year 2008: 14.11 ft on May 4, 2008 Water year 2009: 13.25 ft on June 5, 2009 Water year 2010: 13.51 ft on February 18, 2010 Water year 2011: 15.47 ft on June 1, 2011 Water year 2012: 12.67 ft on February 22, 2012 Water year 2013: 12.28 ft on May 27, 2013 Water year 2014: 9.38 ft on March 1, 2014 Water year 2015: 12.97 ft on April 29, 2015 Water year 2016: 14.30 ft on January 22, 2016 Water year 2017: 14.37 ft on June 6, 2017 Water year 2018: 14.48 ft on March 21, 2018 Water year 2019: 14.92 ft on May 19, 2019 Water year 2020: 13.91 ft on March 10, 2020 Water year 2021: 14.30 ft on April 19, 2021 Water year 2025: 17.36 ft on May 12, 2025 Water year 2026: 14.42 ft on July 11, 2026 Water year 2027 so far: 5.92 ft on October 6, 2026 2025 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

pontoon-bridge-canal-near-butte-larose.csv (CSV): every reading stored for this gauge since September 11, 2026, 4,047 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.