San Diego Creek at Alice water level

Name: San Diego Creek at Alice 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, San Diego Creek, Texas, United States

Directions

Below flood stage

Water level

9.77ft Up 2.69 ft over the last 24 hours

Measured Oct 19, 2026, 05:00 PM CDT (1 hour ago)

Flow: 0.0 cfs

History

7 days

Water level Minor flood stage

What this means

San Diego Creek at Alice is at 9.77 ft, in the normal range.

It is 1.23 ft below the flood stage of 11.00 ft.

It has risen 2.69 ft over the past 24 hours. There is still 1.23 ft of room before flood stage. In the last month it has stayed between 7.08 ft and 9.78 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

Highest on record: 17.70 ftOctober 17, 1971

Floating and fishing near San Diego Creek at Alice

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

Flood stage here is 11.00 ft, 1.23 ft above the current reading. Beyond it, the National Weather Service also defines moderate and major flood stages.

What happens at each level

23.50 ft: Water to the reference mark on the Edith Street Bridge. Water is a few feet high on Edith Street.
22.00 ft: Water to the Edith Street Bridge floor. Water is now over the levee downstream of the gauge.
21.00 ft: Major lowland flooding occurs. Water reaches the height of the levee on the south side of the creek. The park west of County Road 170 has several feet of water over it, with water on County Road 170 inundated with several feet of water.
17.70 ft: Flood of record, occurring on October 17 1971. The northern and eastern sections of Alice flooded from San Diego and San Fernando Creeks.
17.00 ft: Water reaches the trailer park, downstream left bank below the Edith Street bridge, the lowest part of levees or banks. The flow flattens as it escapes the main channel to a flat flood plain.
16.35 ft: Widespread and disasterous flooding. This was the result of Hurricane Beulah on September 23 1967.
13.00 ft: Moderate lowland flooding occurs. The low water crossing on County Road 170 west of Alice will have around 3 feet of water over it. Water begins to impact the lowest areas of the park west of the county road, and inland areas near the road.
11.00 ft: Minor lowland flooding occurs. The low water crossing on County Road 170 west of Alice will be inundated with around foot of water
9.77 ft: Right now

Impact statements from the U.S. National Weather Service.

Highest crests on record

Rank	Level	Date
1	17.70 ft	October 17, 1971
2	16.35 ft	September 23, 1967
3	14.85 ft	September 12, 1971
4	8.72 ft	June 4, 2021
5	8.05 ft	July 9, 2021
6	7.69 ft	May 19, 2021
7	7.22 ft	August 15, 2022
8	5.67 ft	September 30, 1988
9	4.51 ft	April 30, 1989

Weather at the gauge

The forecast is not available right now.

Sunrise 07:35 AM Sunset 07:00 PM Daylight 11 hr, 25 min First quarter 63%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
San Fernando Creek at AliceRiver gauge, San Fernando Creek	0.74 ft	Normal	+0.01 ft	2.6 mi
Lagarto Creek near George WestRiver gauge, Lagarto Creek	3.86 ft	Normal	−0.01 ft	20 mi
Tranquitas Creek at KingsvilleRiver gauge, Tranquitas Creek	1.21 ft	High	−0.01 ft	21 mi
Nueces River at BluntzerRiver gauge, Nueces River	7.79 ft	Normal	−0.01 ft	22 mi
Lake Corpus Christi near MathisLake, Lake Corpus Christi	91.41 ft	Highest on record	−0.01 ft	23 mi
Nueces River near MathisRiver gauge, Nueces River	0.90 ft	Normal	−0.35 ft	23 mi
Petronila Creek at FM 665 near DriscollRiver gauge, Petronila Creek	1.6 cfs	Normal	−0.2 cfs	24 mi
Nueces River at CalallenRiver gauge, Nueces River	4.22 ft	Low	+0.15 ft	29 mi

Questions and answers

What is flood stage for San Diego Creek at Alice?

The official flood stage is 11.00 ft. The level is currently 1.23 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 San Diego Creek at Alice today?

On Oct 19, 2026, 05:00 PM CDT, the water level was 9.77 ft. Up 2.69 ft over the last 24 hours.

Is San Diego Creek at Alice rising or falling?

Up 2.69 ft over the last 24 hours.

Is the level of San Diego Creek at Alice normal?

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

What is the highest water level ever recorded at San Diego Creek at Alice?

The highest level on record is 17.70 ft on October 17, 1971.

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:08211800 (Agency page)
Coordinates: 27.76664, -98.07556 (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	9.77 ft	2026-10-19 22:00	Provisional
Flow	0.0 cfs	2026-10-19 22:00	Provisional

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How to cite

U.S. Geological Survey: San Diego Creek at Alice (usgs:08211800). Accessed October 19, 2026 via Nivelmap, https://nivelmap.com/en/united-states/texas/san-diego-creek-at-alice

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