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

As of Jul 14, 2026, 10:30 AM (UTC-07:00), the pool elevation was 275.19 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 Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.

Is this safe to use for boating or navigation?

No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

Lower Crystal Springs Reservoir water level — California

California · USGS · reading Jul 14, 2026, 10:30 AM (UTC-07:00) Provisional

Lower Crystal Springs Reservoir in California was last measured at 275.19 ft (datum NAVD88), as of Jul 14, 2026, 10:30 AM (UTC-07:00) (USGS Water Services). Over its recent trend window the level has been falling (−1.5 ft). This reading is provisional and subject to revision. Figures are provisional readings for reference — not for navigation or safety decisions.

Current reading Lower Crystal Springs Reservoir · California

Pool elevation: 275.19 ft
% of conservation pool full: Not reported
Storage: Not reported
Recent trend: ↓Falling

Recent trend

The last ~90 days of readings at this station, downsampled for display.

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-07-14. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Important — not for navigation or safety decisions

Water levels here are provisional readings for general reference only. Conditions vary and readings can be revised. Always confirm current conditions with the managing agency before making navigation, boating, or dam-safety decisions.

Source: USGS site 11162750, retrieved Jul 14, 2026, 10:55 PM (UTC+00:00). Official page for this lake →

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	680.83 ft	7 km
San Andreas Lake a Dam	CA	443.77 ft	12 km
San Antonio Reservoir	CA	456.63 ft	45 km
Calaveras Reservoir	CA	727.36 ft	47 km
Del Valle Dam & Reservoir	CA	696.77 ft	55 km
Los Banos Reservoir	CA	296.59 ft	127 km

Frequently asked questions

What is the current water level of Lower Crystal Springs Reservoir?: As of Jul 14, 2026, 10:30 AM (UTC-07:00), the pool elevation was 275.19 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 Jul 14, 2026, 10:55 PM (UTC+00:00). See the official link and the methodology page for the full source and update cadence.
Is this safe to use for boating or navigation?: No. Levels here are provisional readings for general reference only — not for navigation, dam-safety, or other safety decisions. Always confirm current conditions with the managing agency before making those calls.

More in California

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