Lake O the Pines Water Level Today - 228.01 ft, 86.7% Full

Cypress Creek · Texas - updated daily from official gauges

Western Reservoir Conditions·Daily·No. 47·Tuesday, September 8, 2026·Latest reading September 8, 2026

• Lake O the Pines is 86.7% full - high on this site's capacity scale - as of September 8, 2026. Surface elevation 228.01 feet, storage 232,804 acre-feet (capacity basis 268,566 acre-feet), per Texas Water Development Board data.
• That elevation is its lowest September reading since 2022, and 4.87 feet above its record low of 223.14 ft (November 27, 2006), in a daily record going back to September 30, 1988 (TWDB's period of record for this reservoir).
• Storage is 92% of the September 8 average across 37 years of record.
• Lake O the Pines is falling: elevation changed -0.13 ft over the past week, -0.72 ft over the past month, and -2.07 ft over the past year, per Texas Water Development Board data.

Lake O the Pines is within 4.87 feet of the lowest surface elevation in its daily record, set on November 27, 2006.

Lake O the Pines vs its record low

In the daily record used by this site (going back to September 30, 1988 (TWDB's period of record for this reservoir)), Lake O the Pines's lowest surface elevation was 223.14 feet on November 27, 2006, when storage was 164,446 acre-feet. As of September 8, 2026, Lake O the Pines is at 228.01 feet - 4.87 feet above that record. The record high in the same series was 244.72 ft on March 18, 2001.

Lake O the Pines storage in context

Lake O the Pines water level, past 12 months

86.7% full at the latest reading - across the past 12 months it ranged from 83.0% (March 6, 2026) to 100.0% (September 14, 2025). Percent full is storage against the 268,566-acre-foot capacity basis, not a share of the elevation plotted above.

Lake O the Pines elevation, full record

86.7% full at the latest reading - across the storage record since September 1, 1957 it ranged from 0.1% (September 1, 1957) to 109.2% (September 15, 2009). Percent full is storage against the 268,566-acre-foot capacity basis, not a share of the elevation plotted above. Every percentage here is measured against today's capacity basis; a reservoir's surveyed capacity changes as sediment accumulates behind the dam, so early-record percentages are indicative rather than exact.

Last 14 daily readings

Frequently asked questions

What is the water level of Lake O the Pines today?

As of September 8, 2026, Lake O the Pines's surface elevation is 228.01 feet, with 232,804 acre-feet in storage - 86.7% of the 268,566 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.

How full is Lake O the Pines?

Lake O the Pines is 86.7% full as of September 8, 2026. Its storage is 92% of the September 8 average across its record since 1988. Source: Water Data for Texas (TWDB) daily data.

When was Lake O the Pines last full?

Lake O the Pines was last at or above 95% of its 268,566 acre-foot capacity basis on July 18, 2026. As of September 8, 2026 it is 86.7% full. Source: Water Data for Texas (TWDB) daily data.

Is Lake O the Pines rising or falling?

Lake O the Pines is falling: its elevation changed -0.13 feet over the week ending September 8, 2026, -0.72 ft over the past month, and -2.07 feet over the past year. Source: Water Data for Texas (TWDB) daily data.

What was Lake O the Pines's lowest water level on record?

Lake O the Pines's lowest surface elevation in the daily record since September 30, 1988 was 223.14 feet on November 27, 2006, per the daily record used by this site. As of September 8, 2026 the reservoir is 4.87 feet above that record low.

About this gauge

Lake O the Pines is a Texas water-supply reservoir in the Cypress Creek basin. Water Data for Texas publishes a conservation pool elevation of 1,990.0 ft and a conservation capacity of 268,566 acre-feet, with daily water level and storage recorded since 1957-09-01.

Operator

Texas Water Development Board (Water Data for Texas)

Station

lake-o-the-pines

Measurements

Daily water level and conservation storage

River

Cypress Creek

State

Texas

Full pool reference

1,990.0 ft

Capacity basis

268,566 acre-feet (Water Data for Texas (TWDB) conservation capacity)

Period of record

September 30, 1988 (TWDB's period of record for this reservoir)

Status

Provisional - subject to revision by the reporting agency

Update cadence

Daily

TWDB reports conservation storage against a conservation capacity that is restated as new volumetric surveys are completed, so a percent-full figure here can change without the water level changing. TWDB's methodology page is linked in the notes below.

Download the daily CSV (date, elevation ft, storage AF) or see all data downloads.

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