What is the current water level of Lower Crystal Springs Reservoir?

As of Aug 31, 2026, 12:30 AM (UTC-07:00), the pool elevation was 272.37 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.

Is Lower Crystal Springs Reservoir full right now?

Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.

Lower Crystal Springs Reservoir water level — California

California · USGS · reading Aug 31, 2026, 12:30 AM (UTC-07:00) Provisional

Lower Crystal Springs Reservoir in California was last measured at 272.37 ft (datum NAVD88), as of Aug 31, 2026, 12:30 AM (UTC-07:00) (USGS Water Services). Over its recent trend window the level has been falling (−1.7 ft). This reading is provisional and subject to revision.

Current reading Lower Crystal Springs Reservoir · California

Pool elevation: 272.37 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: ↓Falling

Recent trend

Readings this station published between Jun 2, 2026 and Aug 31, 2026 — a 89-day window — downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-08-31. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Not for navigation or safety decisions (why →)

Source: USGS site 11162750, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00). Official page for this lake →

About this gauge's record

This site's drainage basin covers approximately 30 sq mi of contributing watershed.

How Lower Crystal Springs Reservoir compares nearby

4 of 6 nearby lakes with a current trend are also falling right now.

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Lower Crystal Springs Reservoir, with current level and distance.
Lake	State	Level	Distance
Pilarcitos Lake	CA	679.13 ft	7 km
San Andreas Lake a Dam	CA	443.80 ft	12 km
San Antonio Reservoir	CA	455.56 ft	45 km
Calaveras Reservoir	CA	725.83 ft	47 km
Del Valle Dam & Reservoir	CA	695.18 ft	55 km
Los Banos Reservoir	CA	296.00 ft	127 km

Frequently asked questions

What is the current water level of Lower Crystal Springs Reservoir?: As of Aug 31, 2026, 12:30 AM (UTC-07:00), the pool elevation was 272.37 ft (datum NAVD88), provisional and subject to revision. See the trend chart above for the recent direction.
Is Lower Crystal Springs Reservoir full right now?: Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?: From USGS site 11162750, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00).

More in California

See every lake tracked in California, or read the methodology behind these figures.