Dickinson Bayou at FM 517 near Alvin water level

Name: Dickinson Bayou at FM 517 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, Dickinson Bayou, Texas, United States

Directions

Below flood stage

Water level

12.11ft Steady over the last 24 hours

Measured Oct 21, 2026, 03:45 AM CDT (28 min ago)

History

7 days

Water level Minor flood stage

What this means

Dickinson Bayou at FM 517 near Alvin is at 12.11 ft, in the normal range.

It is 8.89 ft below the flood stage of 21.00 ft.

The level has held steady over the past 24 hours. In the last month it has stayed between 12.11 ft and 12.33 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

Floating and fishing near Dickinson Bayou at FM 517 near Alvin

Normal flows mean predictable rapids and good access at most put-ins.

Flood stage here is 21.00 ft, 8.89 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

Weather at the gauge

No rain in the last 3 days.

20 Tue 81° 58° – Wind 10 mph

21 Wed 84° 66° – Wind 10 mph

22 Thu 83° 59° – Wind 9 mph

23 Fri 83° 65° – Wind 9 mph

24 Sat 81° 68° – Wind 15 mph

25 Sun 78° 66° – Wind 13 mph

26 Mon 78° 66° 0.01 in Wind 14 mph

Forecast: Open-Meteo

Sunrise 07:27 AM Sunset 06:45 PM Daylight 11 hr, 19 min Waxing gibbous 76%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Clear Creek near FriendswoodRiver gauge, Clear Creek	1.75 ft	Normal	+0.16 ft	5.6 mi
Mustang Bayou at SH 6 near AlvinRiver gauge, Mustang Bayou	32.12 ft	Below flood stage	−0.04 ft	5.8 mi
Highland Bayou at FM 646 near Santa FeRiver gauge, Highland Bayou	9.77 ft	Below flood stage	+0.01 ft	6.2 mi
Chocolate Bayou near AlvinRiver gauge, Chocolate Bayou	11.24 ft	Normal	−0.05 ft	10 mi
Clear Creek at Mykawa St near PearlandRiver gauge, Clear Creek	31.08 ft	Normal	−0.01 ft	13 mi
Hickory Sl at FM 865 near PearlandRiver gauge, Hickory Sl	44.86 ft	Low	−0.02 ft	14 mi
Austin Bayou at SH 35 near LiverpoolRiver gauge, Austin Bayou	8.79 ft	Very low	−0.03 ft	14 mi
Clear Creek at FM 865 near PearlandRiver gauge, Clear Creek	38.67 ft	Low	−0.05 ft	15 mi

Questions and answers

What is flood stage for Dickinson Bayou at FM 517 near Alvin?

The official flood stage is 21.00 ft. The level is currently 8.89 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 Dickinson Bayou at FM 517 near Alvin today?

On Oct 21, 2026, 03:45 AM CDT, the water level was 12.11 ft. Steady over the last 24 hours.

Is Dickinson Bayou at FM 517 near Alvin rising or falling?

Steady over the last 24 hours. Down 0.19 ft over the last 7 days.

Is the level of Dickinson Bayou at FM 517 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.

Where does this data come from?

The values come directly from the U.S. Geological Survey, the official operator of this gauge, and are in the public domain. We do not estimate or model live values.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:08077640 (Agency page)
Coordinates: 29.43607, -95.17013 (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	12.11 ft	2026-10-21 08:45	Provisional

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How to cite

U.S. Geological Survey: Dickinson Bayou at FM 517 near Alvin (usgs:08077640). Accessed October 21, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/dickinson-bayou-at-fm-517-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