O. C. Fisher Lake Water Level Today - 1,871.87 ft, 10.4% Full
Colorado River (Texas) · Texas - updated daily from official gauges
Western Reservoir Conditions·Daily·No. 92··Latest reading
- O. C. Fisher Lake is 10.4% full - critically low on this site's capacity scale - as of . Surface elevation 1,871.87 feet, storage 12,093 acre-feet (capacity basis 115,742 acre-feet), per Texas Water Development Board data.
- That elevation is 23.00 feet above its record low of 1,848.87 ft (), in a daily record going back to October 1, 2000 (TWDB's period of record for this reservoir).
- Storage is 175% of the October 23 average across 26 years of record.
- O. C. Fisher Lake is falling: elevation changed -0.12 ft over the past week, -0.58 ft over the past month, and - over the past year, per Texas Water Development Board data.
O. C. Fisher Lake has held roughly steady over the past twelve months (- in surface elevation).
O. C. Fisher Lake vs its record low
In the daily record used by this site (going back to October 1, 2000 (TWDB's period of record for this reservoir)), O. C. Fisher Lake's lowest surface elevation was 1,848.87 feet on , when storage was 114 acre-feet. As of , O. C. Fisher Lake is at 1,871.87 feet - 23.00 feet above that record. The record high in the same series was 1,879.41 ft on .
O. C. Fisher Lake storage in context
| Reading | Elevation (ft) | Storage (AF) | % full |
|---|---|---|---|
| Today (October 23, 2026) | 1,871.87 | 12,093 | 10.4% |
| Five years ago | 1,866.65 | 7,558 | 6.5% |
| Record low (January 27, 2014) | 1,848.87 | 114 | 0.1% |
| Capacity basis | 1,908.00 | 115,742 | 100.0% |
O. C. Fisher Lake water level, past 12 months
10.4% full at the latest reading - across the past 12 months it ranged from 10.4% (October 23, 2026) to 15.5% (November 26, 2025). Percent full is storage against the 115,742-acre-foot capacity basis, not a share of the elevation plotted above.
O. C. Fisher Lake elevation, full record
10.4% full at the latest reading - across the storage record since February 2, 1952 it ranged from 0.0% (February 2, 1952) to 103.2% (October 24, 1957). Percent full is storage against the 115,742-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
| Date | Elevation (ft) | Day change | Storage (AF) |
|---|---|---|---|
| October 23, 2026 | 1,871.87 | -0.01 ft | 12,093 |
| October 22, 2026 | 1,871.88 | -0.01 ft | 12,104 |
| October 21, 2026 | 1,871.89 | -0.02 ft | 12,114 |
| October 20, 2026 | 1,871.91 | -0.01 ft | 12,135 |
| October 19, 2026 | 1,871.92 | -0.02 ft | 12,145 |
| October 18, 2026 | 1,871.94 | -0.01 ft | 12,166 |
| October 17, 2026 | 1,871.95 | -0.04 ft | 12,176 |
| October 16, 2026 | 1,871.99 | -0.03 ft | 12,218 |
| October 15, 2026 | 1,872.02 | -0.01 ft | 12,250 |
| October 14, 2026 | 1,872.03 | -0.02 ft | 12,262 |
| October 13, 2026 | 1,872.05 | -0.01 ft | 12,284 |
| October 12, 2026 | 1,872.06 | -0.01 ft | 12,295 |
| October 11, 2026 | 1,872.07 | -0.03 ft | 12,307 |
| October 10, 2026 | 1,872.10 | - | 12,340 |
Frequently asked questions
What is the water level of O. C. Fisher Lake today?
As of October 23, 2026, O. C. Fisher Lake's surface elevation is 1,871.87 feet, with 12,093 acre-feet in storage - 10.4% of the 115,742 acre-foot capacity basis. Source: Water Data for Texas (TWDB) daily data.
How full is O. C. Fisher Lake?
O. C. Fisher Lake is 10.4% full as of October 23, 2026. Its storage is 175% of the October 23 average across its record since 2000. Source: Water Data for Texas (TWDB) daily data.
When was O. C. Fisher Lake last full?
O. C. Fisher Lake was last at or above 95% of its 115,742 acre-foot capacity basis on December 14, 1957. As of October 23, 2026 it is 10.4% full. Source: Water Data for Texas (TWDB) daily data.
What was O. C. Fisher Lake's lowest water level on record?
O. C. Fisher Lake's lowest surface elevation in the daily record since October 1, 2000 was 1,848.87 feet on January 27, 2014, per the daily record used by this site. As of October 23, 2026 the reservoir is 23.00 feet above that record low.
About this gauge
O. C. Fisher Lake is a Texas water-supply reservoir in the Colorado River (Texas) basin. Water Data for Texas publishes a conservation pool elevation of 1,908.0 ft and a conservation capacity of 115,742 acre-feet, with daily water level and storage recorded since 1952-02-02.
- Operator
- Texas Water Development Board (Water Data for Texas)
- Station
- o-c-fisher
- Measurements
- Daily water level and conservation storage
- River
- Colorado River (Texas)
- State
- Texas
- Full pool reference
- 1,908.0 ft
- Capacity basis
- 115,742 acre-feet (Water Data for Texas (TWDB) conservation capacity)
- Period of record
- October 1, 2000 (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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Notes
- 1/Percent full is storage divided by the 115,742 acre-foot capacity basis published in the Water Data for Texas (TWDB) conservation capacity. ↩
- 2/Water level and conservation storage are from the Texas Water Development Board's daily record for O. C. Fisher Lake. TWDB recomputes conservation capacity as survey data are updated, so percent-full may be restated. ↩
- 3/Period of record for the daily series used here begins October 1, 2000 (TWDB's period of record for this reservoir). Record low is measured over that window only. ↩
- 4/All readings carry the date the gauge reported them, which may lag today's date. This site publishes observations, not forecasts. ↩