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Chocolate Bayou near Alvin water level

River gauge, Chocolate Bayou, Texas, United States

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Right now

High for mid-October

Water level

11.24ft Steady over the last 24 hours

Flow
14.3 cfs
10 11 12

History

History
1015ftOct 13Oct 14Oct 16Oct 18Oct 191015ftOct 13Oct 16Oct 19
10152025ftSep 20Sep 27Oct 4Oct 12Oct 1910152025ftSep 20Oct 4Oct 19
102030ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026102030ftOct 2025Apr 2026Oct 2026
102030ftJanMarMayJulSepNov2026102030ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

Chocolate Bayou near Alvin is above normal at 11.24 ft.

That puts it 0.97 ft above the median of 10.27 ft for mid-October, based on 28 years of readings. A year ago it stood at 10.24 ft (+1.00 ft).

The level has held steady over the past 24 hours. In the last month it has stayed between 11.20 ft and 12.41 ft.

That stands out in fall, when many rivers are usually near their lowest.

Compared with 28 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
10.27 ft0.97 ft above the median for this date
Normal for this date
9.98 ft – 12.02 ft8 years in 10 fall in this range (28 years of records)
Same day last year
10.24 ft+1.00 ft
Lowest and highest in 30 days
11.20 ft – 12.41 ft
Lowest and highest in 12 months
10.20 ft – 28.97 ft

Floating and fishing near Chocolate Bayou near Alvin

Experienced paddlers may enjoy higher water, but many outfitters stop rentals once a river runs this high.

Weather at the gauge

Rain in the last 3 days: 0.04 in. Rain that falls upstream can take hours or days to show up at a river gauge.

17 Sat 73° 55° – Wind 16 mph
18 Sun 76° 55° – Wind 9 mph
19 Mon 77° 59° – Wind 16 mph
20 Tue 75° 63° – Wind 13 mph
21 Wed 81° 65° – Wind 10 mph
22 Thu 84° 62° – Wind 8 mph
23 Fri 83° 61° – Wind 11 mph

Forecast: Open-Meteo

Sunrise 07:26 AM Sunset 06:48 PM Daylight 11 hr, 22 min First quarter 61%

Map

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Mustang Bayou at SH 6 near AlvinRiver gauge, Mustang Bayou 32.13 ft Below flood stage −0.02 ft 5.6 mi
Austin Bayou at SH 35 near LiverpoolRiver gauge, Austin Bayou 8.86 ft Low ±0 6 mi
Dickinson Bayou at FM 517 near AlvinRiver gauge, Dickinson Bayou 12.15 ft Below flood stage −0.03 ft 10 mi
Oyster Creek at CR 42 near RosharonRiver gauge, Oyster Creek 32.33 ft Normal +0.01 ft 12 mi
Clear Creek near FriendswoodRiver gauge, Clear Creek 2.49 ft High +0.75 ft 13 mi
Hickory Sl at FM 865 near PearlandRiver gauge, Hickory Sl 44.90 ft Normal −0.01 ft 14 mi
Oyster Creek at CR 34 near AngletonRiver gauge, Oyster Creek 16.15 ft Normal +0.04 ft 14 mi
Highland Bayou at FM 646 near Santa FeRiver gauge, Highland Bayou 9.78 ft Below flood stage +0.02 ft 14 mi

Questions and answers

How does Chocolate Bayou near Alvin compare with last year?

It is 1.00 ft higher than on the same day last year, when the reading was 10.24 ft.

What is a normal level for Chocolate Bayou near Alvin in mid-October?

The median for mid-October is 10.27 ft. In 8 years out of 10 the reading falls between 9.98 ft and 12.02 ft, based on 28 years of records.

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 Chocolate Bayou near Alvin today?

On Oct 19, 2026, 01:15 PM CDT, the water level was 11.24 ft. Steady over the last 24 hours.

Is Chocolate Bayou near Alvin rising or falling?

Steady over the last 24 hours. Down 0.04 ft over the last 7 days.

Is the level of Chocolate Bayou near Alvin normal?

High for mid-October. Compared with 28 years of daily readings for this time of year.

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:08078000 (Agency page)
Coordinates
29.37155, -95.32307 (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

ParameterLast valueTime (UTC)Quality
Water level 11.24 ft 2026-10-19 18:15 Provisional
Flow 14.3 cfs 2026-10-19 18:15 Provisional

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How to cite

U.S. Geological Survey: Chocolate Bayou near Alvin (usgs:08078000). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/chocolate-bayou-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.