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Lake levels › Texas › Stillhouse Hollow Lake

Stillhouse Hollow Lake water level today

620.94 ft above sea level (the reading for October 20, 2026). The lake is 97.1% full, 1.06 ft below full pool (622.00 ft). Stillhouse Hollow Lake is falling slowly: down 0.30 ft in the past 7 days and down 0.04 ft over 30 days.

Texas Water Development Board publishes one reading per day for Stillhouse Hollow Lake; today's value appears once the agency posts it, usually the next morning.

Level now620.94 ft
Percent full97.1%
vs full pool (622.0)−1.06 ft
Past 24 hours−0.01 ft
Past 7 days−0.30 ft
Past 30 days−0.04 ft
vs 1 year ago−0.53 ft

Stillhouse Hollow Lake level over the last 12 months

619621623625627 Oct 25Dec 25Feb 26Apr 26Jun 26Aug 26Oct 26 full pool 622.0
Daily elevation in feet, last 12 months.

12-month low: 619.33 ft (April 1, 2026). High: 626.32 ft (May 30, 2026). Swing: 6.99 ft.

Daily Stillhouse Hollow Lake levels, last 30 days

DateElevation (ft)Change
Oct 20, 2026620.94−0.01 ft
Oct 19, 2026620.95−0.05 ft
Oct 18, 2026621.00−0.05 ft
Oct 17, 2026621.05−0.08 ft
Oct 16, 2026621.13−0.05 ft
Oct 15, 2026621.18−0.03 ft
Oct 14, 2026621.21−0.03 ft
Oct 13, 2026621.24−0.02 ft
Oct 12, 2026621.26−0.04 ft
Oct 11, 2026621.30−0.03 ft
Oct 10, 2026621.33−0.03 ft
Oct 9, 2026621.36−0.02 ft
Oct 8, 2026621.38−0.03 ft
Oct 7, 2026621.41−0.02 ft
Oct 6, 2026621.43−0.02 ft
Oct 5, 2026621.45±0.00 ft
Oct 4, 2026621.45+0.10 ft
Oct 3, 2026621.35+0.56 ft
Oct 2, 2026620.79+0.18 ft
Oct 1, 2026620.61+0.03 ft
Sep 30, 2026620.58−0.04 ft
Sep 29, 2026620.62−0.04 ft
Sep 28, 2026620.66−0.04 ft
Sep 27, 2026620.70−0.04 ft
Sep 26, 2026620.74−0.04 ft
Sep 25, 2026620.78−0.05 ft
Sep 24, 2026620.83−0.02 ft
Sep 23, 2026620.85−0.04 ft
Sep 22, 2026620.89−0.04 ft
Sep 21, 2026620.93−0.05 ft

Monthly average levels

MonthAverageLowHigh
Nov 2025621.34621.14621.59
Dec 2025620.94620.66621.25
Jan 2026620.42620.17620.64
Feb 2026620.26620.03620.41
Mar 2026619.74619.36620.01
Apr 2026620.32619.33621.65
May 2026623.38621.82626.32
Jun 2026624.84623.65626.26
Jul 2026623.15622.61623.56
Aug 2026621.94621.51622.54
Sep 2026621.10620.58621.49
Oct 2026 *621.19620.61621.45

* partial month or year.

Stillhouse Hollow Lake year by year

YearLowHighAverage
2026 *619.33 Apr 1626.32 May 30621.66
2025617.71 Apr 30631.92 Jul 16620.86
2024603.91 Jan 21637.94 May 26618.06
2023 *602.14 Oct 24605.32 Oct 31604.36

Stillhouse Hollow Lake on this date in past years

YearLevel on this dateToday vs then
2025621.47 ft−0.53 ft
2024621.56 ft−0.62 ft
2023602.36 ft+18.58 ft

Highest and lowest levels on record

TWDB records for Stillhouse Hollow Lake go back to 1988. The lowest level in that record is 600.00 ft (September 8, 1999) and the highest is 663.99 ft (July 17, 2007). Today the lake is 20.94 ft above its record low. At full conservation pool it holds 229,796 acre-feet and covers about 6,277 acres.

Is Stillhouse Hollow Lake full?

Stillhouse Hollow Lake is 97.1% full by conservation storage, measured against its top of conservation pool at 622.00 ft. It would need to rise 1.06 ft to be full.

Is Stillhouse Hollow Lake rising or falling?

Stillhouse Hollow Lake is falling slowly: down 0.30 ft in the past 7 days and down 0.04 ft over 30 days. In the latest day it moved −0.01 ft.

How does Stillhouse Hollow Lake compare with last year?

Compared with the same date last year, the lake is 0.53 ft lower (98.5% full then, 97.1% now). Two years ago on this date it stood at 621.56 ft.

Data source

Texas Water Development Board (Water Data for Texas), gauge StillhouseHollow; readings since Oct 16, 2023. Official source · how we collect it.

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