Lake levels › California

Del Valle Reservoir water level today

Lower than usual for this time of year

686.74ft

feet above sea level ·

vs normal for Oct 10−9.9 ft
24 hours−0.15 ft
7 days−1.6 ft
30 days−6.2 ft
vs a year ago−12.0 ft

Is Del Valle Reservoir low right now?

Del Valle Reservoir was at 686.74 ft on October 10, 2026. That is 9.86 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been falling about 0.22 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
676685695704713NovDecJanFebMarAprMayJunJulAugSepOct

Del Valle Reservoir on Oct 10 in past years

2025699.1−12.4
2024690.4−3.6
2023696.9−10.1
2022696.9−10.1
2021699.7−12.9
2020691.5−4.8

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

Daily levels, last two weeks

DateLevel (ft)Change
Oct 10686.77−0.12
Oct 9686.89−0.21
Oct 8687.10−0.20
Oct 7687.30−0.20
Oct 6687.50−0.21
Oct 5687.71−0.30
Oct 4688.01−0.32
Oct 3688.33−0.30
Oct 2688.63−0.22
Oct 1688.85−0.17
Sep 30689.02−0.12
Sep 29689.14−0.12
Sep 28689.26−0.12
Sep 27689.38−0.13

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

About Del Valle Reservoir

10-year range
678.4 ft (December 15, 2018) to 721.0 ft (January 16, 2023)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — SPK district, Del Valle
Datum
NGVD29

Lakes near Del Valle Reservoir

Questions

Is Del Valle Reservoir low right now?

Del Valle Reservoir was at 686.74 ft on October 10, 2026. That is 9.86 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been falling about 0.22 ft a day.

How often is the Del Valle Reservoir 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 (SPK district, Del Valle). Readings are provisional and can be revised.