Mustang Bayou at SH 6 near Alvin water level

Name: Mustang Bayou at SH 6 near Alvin water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

River gauge, Mustang Bayou, Texas, United States

Directions

Below flood stage

Water level

32.15ft Steady over the last 24 hours

Measured Oct 20, 2026, 01:40 PM CDT (16 min ago)

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %) Minor flood stage

What this means

The gauge at Mustang Bayou at SH 6 near Alvin reads 32.15 ft, a normal level.

It is 7.85 ft below the flood stage of 40.00 ft. A year ago it stood at 32.04 ft (+0.11 ft).

The level has held steady over the past 24 hours. Over the past 30 days it has moved between 31.91 ft and 32.20 ft.

Fall is often low-water season on rivers, until steadier rain returns.

Judged against the official flood stage for this gauge. How to read levels

Key numbers

Same day last year: 32.04 ft+0.11 ft
Lowest and highest in 30 days: 31.91 ft – 32.20 ft
Lowest and highest in 12 months: 31.73 ft – 36.79 ft

What the stage means on the water

A normal level is usually prime time for floating and wade fishing, as long as the weather holds upstream.

The National Weather Service puts flood stage for this gauge at 40.00 ft, still 7.85 ft away.

Weather at the gauge

No rain in the last 3 days.

18 Sun 75° 53° – Wind 8 mph

19 Mon 80° 60° – Wind 16 mph

20 Tue 75° 61° – Wind 12 mph

21 Wed 83° 67° – Wind 12 mph

22 Thu 84° 64° – Wind 10 mph

23 Fri 84° 63° – Wind 11 mph

24 Sat 82° 64° – Wind 15 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:47 PM Daylight 11 hr, 20 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Chocolate Bayou near AlvinRiver gauge, Chocolate Bayou	11.30 ft	Normal	+0.06 ft	5.6 mi
Dickinson Bayou at FM 517 near AlvinRiver gauge, Dickinson Bayou	12.13 ft	Below flood stage	−0.03 ft	5.8 mi
Clear Creek near FriendswoodRiver gauge, Clear Creek	1.88 ft	High	−0.61 ft	8 mi
Hickory Sl at FM 865 near PearlandRiver gauge, Hickory Sl	44.89 ft	Low	−0.01 ft	10 mi
Clear Creek at Mykawa St near PearlandRiver gauge, Clear Creek	31.12 ft	Normal	+0.02 ft	11 mi
Highland Bayou at FM 646 near Santa FeRiver gauge, Highland Bayou	9.78 ft	Below flood stage	±0	11 mi
Austin Bayou at SH 35 near LiverpoolRiver gauge, Austin Bayou	8.81 ft	Very low	−0.05 ft	11 mi
Clear Creek at FM 865 near PearlandRiver gauge, Clear Creek	38.69 ft	Normal	+0.07 ft	12 mi

Questions and answers

How does Mustang Bayou at SH 6 near Alvin compare with last year?

It is 0.11 ft higher than on the same day last year, when the reading was 32.04 ft.

What is flood stage for Mustang Bayou at SH 6 near Alvin?

The official flood stage is 40.00 ft. The level is currently 7.85 ft below it.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Mustang Bayou at SH 6 near Alvin today?

On Oct 20, 2026, 01:40 PM CDT, the water level was 32.15 ft. Steady over the last 24 hours.

Is Mustang Bayou at SH 6 near Alvin rising or falling?

Steady over the last 24 hours. Up 0.12 ft over the last 7 days.

Is the level of Mustang Bayou at SH 6 near Alvin normal?

Below flood stage. Judged against the official flood stage for this gauge.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08077888 (Agency page)
Coordinates: 29.43651, -95.26629 (WGS84)
Vertical datum: NAVD88
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	32.15 ft	2026-10-20 18:40	Provisional

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How to cite

U.S. Geological Survey: Mustang Bayou at SH 6 near Alvin (usgs:08077888). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/mustang-bayou-at-sh-6-near-alvin

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer