Lake levels › Texas

Jim Chapman Lake water level today

Lower than usual for this time of year

434.97ft

feet above sea level ·

vs full pool−5.0 ft
vs normal for Oct 10−2.7 ft
24 hours−0.04 ft
7 days−0.2 ft
30 days−0.9 ft
vs a year ago−2.3 ft

Is Jim Chapman Lake low right now?

Jim Chapman Lake was at 434.97 ft on October 10, 2026, 5.03 ft below its full pool of 440.0 ft. That is 2.74 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.

Last 12 monthsDaily level Normal range (10–90% of past years)Full pool
434437440443446NovDecJanFebMarAprMayJunJulAugSepOct Full pool 440.0

Jim Chapman Lake on Oct 10 in past years

2025437.4−2.4
2024437.3−2.3
2023437.9−2.9
2022434.6+0.4
2021438.3−3.4
2020436.9−1.9

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Changevs full pool
Oct 10434.99−0.02−5.0
Oct 9435.01−0.04−5.0
Oct 8435.05−0.03−4.9
Oct 7435.08−0.04−4.9
Oct 6435.12−0.03−4.9
Oct 5435.15−0.03−4.9
Oct 4435.18+0.05−4.8
Oct 3435.13+0.02−4.9
Oct 2435.11+0.07−4.9
Oct 1435.04+0.04−5.0
Sep 30435.00−0.04−5.0
Sep 29435.04−0.04−5.0
Sep 28435.08−0.05−4.9
Sep 27435.13−0.04−4.9

Daily means of the operator's readings (midnight to midnight, local time).

About Jim Chapman Lake

Full pool
440.0 ft (Top of Conservation)
10-year range
434.0 ft (October 23, 2022) to 448.5 ft (March 2, 2018)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — SWF district, SCLT2
Datum
NGVD29

Lakes near Jim Chapman Lake

Questions

Is Jim Chapman Lake low right now?

Jim Chapman Lake was at 434.97 ft on October 10, 2026, 5.03 ft below its full pool of 440.0 ft. That is 2.74 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.

What is full pool for Jim Chapman Lake?

Full pool (Top of Conservation) is 440.0 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.

How often is the Jim Chapman Lake level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Army Corps of Engineers (SWF district, SCLT2). Readings are provisional and can be revised.