Choke Canyon Reservoir lake and shoreline

Choke Canyon Reservoir Water Level

Officially Choke Canyon Reservoir (Frio River)

Texas

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Choke Canyon Reservoir

Choke Canyon Reservoir is currently 30.1 feet below full pool, with a water-surface elevation of 190.9 feet.

190.94 ft · Updated 6 hours ago · U.S. Geological Survey

Current level

190.94ft

−30.06 ft vs full pool

Low

Vs full pool

Since last reading

Down 0.02 ft

Previous readingOct 6190.98 ft

7-day change

Down 0.08 ft

7-day trend: Falling

8 daily readings in the last 7 days

30-day change

Down 0.70 ft

30 daily readings in the last 30 days

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Water Level History

Current
190.94 ft
24h
-0.02 ft
7d
-0.08 ft
30d
-0.70 ft

Elevation (ft) NGVD29 · MSL

Reference line is designed full pool.

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Lake Level Context

Level remains below the full pool

Choke Canyon Reservoir is currently 190.94 ft, 30.06 ft below its full pool. The lake has fallen 0.08 ft over the past 7 days and 0.70 ft over the past 30 days.

Choke Canyon Reservoir Level Details

Reference elevations, recent daily readings, data sources, and answers to common questions.

Conditions & Reference

Level status

30.06 ft below full pool

Current level
190.94 ft
Full pool
221 ft
DatumElevation referenced to National Geodetic Vertical Datum of 1929.
NGVD29
Elevation reference
MSL
Source
USGS

Reference levels

  • Full pool221 ft

Surrounding county drought

Severe Drought

100% of surrounding county in official drought (D1–D4).

Severity

NoneExtreme
Trend
Improving

Surrounding county drought

Live Oak County, TX

Severe Drought

Severe Drought. The largest share of Live Oak County, TX is in Severe Drought (D2), an official USDM drought category. These figures describe the surrounding county from the lake location, not the lake itself.. Trend: Improving compared with last week. Official drought (D1–D4) yes

Severity

NoneExtreme

Weekly trend

Improving

Compared with last week

Official drought (D1–D4)

Yes

100% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Severe Drought.

Typical county impacts (USDM guidance)

  • Lower streamflows in the surrounding county
  • Drier soils and vegetation stress
  • Minor increase in wildfire risk for the area

U.S. Drought Monitor · map date Oct 6, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Live Oak County, TX

Daily level summary

DateLevelChange
Oct 7, 2026190.96-0.02
Oct 6, 2026190.98-0.04
Oct 5, 2026191.02-0.02
Oct 4, 2026191.04-0.02
Oct 3, 2026191.06-0.03
Oct 2, 2026191.09-0.01
Oct 1, 2026191.1+0.06

Common questions about Choke Canyon Reservoir’s water level

  • The current water level at Choke Canyon Reservoir is 190.94 ft (updated 6 hours ago). You can track the Choke Canyon Reservoir lake level on the interactive chart and daily history above.

  • Full pool for Choke Canyon Reservoir is 221 ft — the normal conservation target elevation when the reservoir is at its designed summer or operating pool.

  • The current 7-day trend for the Choke Canyon Reservoir lake level is falling — falling about 0.08 ft over the past week. See the history chart above for the full picture.

  • Based on the latest gauge reading, Choke Canyon Reservoir is currently 30.06 ft below full pool.

Lake level glossary

Definitions for pool targets, datums, and how elevation readings are labeled.

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