Lake levels › Texas

Jim L. Chapman Lake water level today

Normal for this time of year

434.96ft

feet above sea level ·

vs normal for Oct 10−4.1 ft
24 hours−2.75 ft
7 days+5.9 ft
30 days−16.4 ft
vs a year ago−15.4 ft

Is Jim L. Chapman Lake low right now?

Jim L. Chapman Lake was at 434.96 ft on October 10, 2026. That is 4.11 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.86 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
370512655797939NovDecJanFebMarAprMayJunJulAugSepOct

Jim L. Chapman Lake on Oct 10 in past years

2025429.3+5.6
2024434.4+0.5
2023446.1−11.1
2022424.3+10.6
2021-255.3+690.3
2020441.3−6.3

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

Daily levels, last two weeks

DateLevel (ft)Change
Oct 10435.05−2.66
Oct 9437.71+4.54
Oct 8433.17−7.12
Oct 7440.29−5.84
Oct 6446.13+15.92
Oct 5430.21−2.55
Oct 4432.76+3.71
Oct 3429.05+5.54
Oct 2423.51−14.73
Oct 1438.24−2.58
Sep 30440.82+2.67
Sep 29438.15−4.12
Sep 28442.27−3.22
Sep 27445.49+7.22

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

About Jim L. Chapman Lake

10-year range
-910.7 ft (June 20, 2021) to 899.8 ft (January 25, 2026)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — SWT district, COOP
Datum
NGVD29

Lakes near Jim L. Chapman Lake

Questions

Is Jim L. Chapman Lake low right now?

Jim L. Chapman Lake was at 434.96 ft on October 10, 2026. That is 4.11 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.86 ft a day.

How often is the Jim L. 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 (SWT district, COOP). Readings are provisional and can be revised.