San Luis Reservoir water level
Offstream (California Aqueduct) · California · operated by USBR / CA DWR (San Luis Dam)
San Luis Reservoir is 64% full as of Jun 20, 2026, per CDEC data — 60.5 ft below full pool.
below normal 60.5 ft below full pool
CDEC 1,311,611 acre-ft · updated Jun 20, 2026
64%
percent full
482.5
water level (ft msl)
60.5
ft below full pool
−13,377.00
24-hour change (ft)
543
full pool (ft ref.)
2.04M
capacity (acre-ft)
Can I launch? Yes — most ramps usable.
Lake is well within its normal pool — most boat ramps are usable. Confirm your specific ramp, which can close independently of lake level.
~30-day trend · reservoir storage
1,582,176 1,311,611 now 1,311,611
About San Luis Reservoir
Full pool
543 ft
Capacity
2,041,000 AF
Dam / operator
USBR / CA DWR (San Luis Dam)
River / basin
Offstream (California Aqueduct)
State
California
Data feed
CDEC
Going to San Luis Reservoir?
Recreation-booking links (charters, boat rentals) appear here once partner accounts are wired. See the disclosure page.
San Luis Reservoir — questions
How full is San Luis Reservoir right now?
San Luis Reservoir is about 64% full as of Jun 20, 2026.
Can I launch a boat at San Luis Reservoir?
Lake is well within its normal pool — most boat ramps are usable. Confirm your specific ramp, which can close independently of lake level. Individual ramps open and close on their own schedules and on local hazards.
Where does San Luis Reservoir's level come from?
LakeLevelNow pulls it from the CDEC public water-data feed (California Data Exchange). The reading is timestamped in the gauge above.
Who operates San Luis Reservoir?
San Luis Reservoir, on the Offstream (California Aqueduct), is operated by USBR / CA DWR (San Luis Dam). Reservoir releases, flood-control drawdowns, and water-supply decisions are theirs.