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San Luis Reservoir Water Level Today

Daily level, distance to full pool and history for San Luis Reservoir, on the San Luis Creek (off-stream storage) in California.

Updated · Source: CDEC station SNL Provisional

Water level Provisional

484.32ft

msl · Daily reading for Nov 7, 2026

  • 59.68 ftbelow full pool (544.0 ft)
  • −0.47 ftin 24 h−2.79 ft in 7 days−14.19 ft in 30 days
460480500520540560580460480500520540560580460480500520540560580
  • Full pool
  • 1 yr ago

Is San Luis Reservoir full?

No. San Luis Reservoir is 59.68 ft below full pool (544.0 ft). It is 24.98 ft higher than a year ago (459.34 ft on Nov 7, 2025).

San Luis Reservoir level history

View data table
DateLevel (ft)
Nov 7, 2026484.32
Nov 6, 2026484.79
Nov 5, 2026485.20
Nov 4, 2026485.56
Nov 3, 2026485.88
Nov 2, 2026486.37
Nov 1, 2026486.82
Oct 31, 2026487.11
Oct 30, 2026487.58
Oct 29, 2026488.25
Oct 28, 2026489.08
Oct 27, 2026489.76
Oct 26, 2026490.28
Oct 25, 2026490.98
Oct 24, 2026491.15
Oct 23, 2026491.61
Oct 22, 2026491.87
Oct 21, 2026492.40
Oct 20, 2026493.01
Oct 19, 2026493.49
Oct 18, 2026493.97
Oct 17, 2026494.38
Oct 16, 2026494.82
Oct 15, 2026495.55
Oct 14, 2026496.23
Oct 13, 2026496.67
Oct 12, 2026497.34
Oct 11, 2026497.93
Oct 10, 2026498.17
Oct 9, 2026498.47
Oct 8, 2026498.51
  • San Luis Reservoir level
  • Full pool 544.0 ft
  • Above full pool
Source: CDEC · Daily readings since 1992

San Luis Reservoir on Nov 7 in past years

San Luis Reservoir water level on Nov 7 in past years
YearLevel (ft)vs todayvs full pool
2026today484.32—−59.68 ft
2025459.34−24.98−84.66 ft
2024458.12−26.20−85.88 ft
2023481.27−3.05−62.73 ft
2022395.91−88.41−148.09 ft
2021377.99−106.33−166.01 ft
2020445.35−38.97−98.65 ft
2019442.74−41.58−101.26 ft
2018474.30−10.02−69.70 ft
2017495.27+10.95−48.73 ft
2016418.40−65.92−125.60 ft

Today’s level is the highest for this date since 2017.

Lake facts

Full pool (conservation pool)
544.0 ft msl
Highest since 1992
544.17 ftMar 14, 1995
Lowest since 1992
350.95 ftOct 23, 2021
Data since
Jan 1, 1992
Dam
B.F. Sisk Damcompleted 1967
River
San Luis Creek (off-stream storage)
Owned by
Bureau of Reclamation
Dam location
Merced County
Gauge location
37.0330, −121.1330

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1992 to today (daily averages).

Weather on the lake

  1. Tonight59°FLowCalmMostly Clear
  2. Monday73°FHighLow 60°FN 0–5 mphSunny
  3. Tuesday73°FHighLow 59°FNNE 0–5 mphSunny
  4. Wednesday75°FHighLow 60°FE 0–5 mphSunny
  5. Thursday73°FHighLow 60°FSSW 0–10 mphSunny
  6. Friday71°FHighLow 60°FENE 0–10 mphMostly Sunny
  7. Saturday71°FHighLow 59°FSSW 0–10 mphMostly Sunny

Forecast: National Weather Service for the dam area (37.03, −121.13). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of San Luis Reservoir?
544.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of B.F. Sisk Dam.
How much does San Luis Reservoir need to be full?
San Luis Reservoir needs 59.68 ft more water to reach full pool (544.0 ft), as of Nov 7, 2026.
Is San Luis Reservoir rising or falling?
It is falling: −2.79 ft in the last 7 days and −0.47 ft in 24 hours, to 484.32 ft on Nov 7, 2026 (California Data Exchange Center).
When was San Luis Reservoir last full?
It was last at or above full pool (544.0 ft) on Mar 24, 1995. On Nov 7, 2026 it was 59.68 ft below.
What is the highest level in our data?
San Luis Reservoir reached 544.17 ft on Mar 14, 1995. The lowest was 350.95 ft on Oct 23, 2021 (CDEC data since 1992; older records are not in this data set).
How much has San Luis Reservoir changed in the last year?
In the last 12 months it ranged from 458.86 ft (Nov 12, 2025) to 525.97 ft (Mar 25, 2026), a swing of 67.11 ft.
How often is this page updated?
This page is updated every day with the daily reading from California Data Exchange Center. The last reading is from Nov 7, 2026.

Where this data comes from

Daily reservoir elevation from the California Data Exchange Center of the California Department of Water Resources (station SNL, cdec.water.ca.gov). Recent readings are provisional and may be revised. Weather from the National Weather Service. Dam details from the National Inventory of Dams.

Lake Levels Daily is an independent site, not affiliated with TWDB, LCRA, USACE, USGS, NOAA, TVA or any lake operator. Check official sources before making safety decisions.