Lake Levels DailyLake Levels Daily

Lake Tulloch Water Level Today

Daily level, distance to full pool and history for Lake Tulloch, on the Stanislaus River in California.

Updated · Source: CDEC station TUL Provisional

Water level Provisional

492.21ft

msl · Daily reading for Nov 8, 2026

  • 17.79 ftbelow full pool (510.0 ft)
  • −0.75 ftin 24 h−3.43 ft in 7 days−9.00 ft in 30 days
490495500505510515490495500505510515490495500505510515
  • Full pool
  • 1 yr ago

Is Lake Tulloch full?

No. Lake Tulloch is 17.79 ft below full pool (510.0 ft). It is 8.89 ft lower than a year ago (501.10 ft on Nov 8, 2025).

Lake Tulloch level history

Full pool 510.0 ft
View data table
DateLevel (ft)
Nov 8, 2026492.21
Nov 7, 2026492.96
Nov 6, 2026493.68
Nov 5, 2026494.35
Nov 4, 2026494.70
Nov 3, 2026495.05
Nov 2, 2026495.49
Nov 1, 2026495.64
Oct 31, 2026496.15
Oct 30, 2026496.11
Oct 29, 2026496.47
Oct 28, 2026496.32
Oct 27, 2026497.24
Oct 26, 2026497.65
Oct 25, 2026497.52
Oct 24, 2026497.34
Oct 23, 2026497.37
Oct 22, 2026497.63
Oct 21, 2026498.23
Oct 20, 2026499.70
Oct 19, 2026499.33
Oct 18, 2026498.83
Oct 17, 2026498.72
Oct 16, 2026498.72
Oct 15, 2026498.76
Oct 14, 2026499.03
Oct 13, 2026499.54
Oct 12, 2026500.43
Oct 11, 2026500.67
Oct 10, 2026501.12
Oct 9, 2026501.21
  • Lake Tulloch level
  • Full pool 510.0 ft
  • Above full pool
Source: CDEC · Daily readings since 1987

Lake Tulloch on Nov 8 in past years

Lake Tulloch water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today492.21—−17.79 ft
2025501.10+8.89−8.90 ft
2024499.51+7.30−10.49 ft
2023490.01−2.20−19.99 ft
2022500.57+8.36−9.43 ft
2021502.01+9.80−7.99 ft
2020493.46+1.25−16.54 ft
2019501.38+9.17−8.62 ft
2018501.32+9.11−8.68 ft
2017499.46+7.25−10.54 ft
2016501.35+9.14−8.65 ft

Today’s level is the lowest for this date since 2023.

Lake facts

Full pool (conservation pool)
510.0 ft msl
Highest since 1987
510.00 ftSep 12, 1995
Lowest since 1987
472.35 ftDec 12, 2023
Data since
Jun 22, 1987
Dam
Tulloch Damcompleted 1979
River
Stanislaus River
Owned by
Bureau of Reclamation
Dam location
Calaveras County
Gauge location
37.8750, −120.6030

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jun 22, 1987 to today (daily averages).

Lake Tulloch map and depth

Average depth when full
about 5 ftcapacity ÷ surface area
Surface area
about 13,450 acresNational Inventory of Dams
Height of Tulloch Dam
625 ftNational Inventory of Dams

Weather on the lake

  1. Today74°FHighLow 49°FNW 1–8 mphHaze then Sunny
  2. Tonight49°FLowNNE 5 mphMostly Clear
  3. Tuesday71°FHighLow 49°FW 5 mphSunny
  4. Wednesday75°FHighLow 53°FSSE 2–6 mphSunny
  5. Thursday75°FHighLow 51°FS 2–7 mphSunny
  6. Friday70°FHighLow 51°FWNW 3–8 mphMostly Sunny then Slight Chance Light Rain
  7. Saturday68°FHighLow 49°FSSE 2–8 mphMostly Sunny then Slight Chance Light Rain

Forecast: National Weather Service for the dam area (37.88, −120.60). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Tulloch?
510.0 ft above mean sea level, the top of its conservation pool. Above it, water is released or flows over the spillway of Tulloch Dam.
How much does Lake Tulloch need to be full?
Lake Tulloch needs 17.79 ft more water to reach full pool (510.0 ft), as of Nov 8, 2026.
How deep is Lake Tulloch?
Lake Tulloch is about 5 ft deep on average when full: 67,000 acre-ft of storage spread over about 13,450 acres of surface. As in most reservoirs, the deepest water is in the old river channel near Tulloch Dam.
Is Lake Tulloch rising or falling?
It is falling: −3.43 ft in the last 7 days and −0.75 ft in 24 hours, to 492.21 ft on Nov 8, 2026 (California Data Exchange Center).
When was Lake Tulloch last full?
It was last at or above full pool (510.0 ft) on Sep 12, 1995. On Nov 8, 2026 it was 17.79 ft below.
What is the highest level in our data?
Lake Tulloch reached 510.00 ft on Sep 12, 1995. The lowest was 472.35 ft on Dec 12, 2023 (CDEC data since 1987; older records are not in this data set).
How much has Lake Tulloch changed in the last year?
In the last 12 months it ranged from 492.21 ft (Nov 8, 2026) to 509.40 ft (Jun 25, 2026), a swing of 17.19 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 8, 2026.

Where this data comes from

Daily reservoir elevation from the California Data Exchange Center of the California Department of Water Resources (station TUL, 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.