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Lake Mendocino Water Level Today

Daily level, distance to full pool and history for Lake Mendocino, on the East Fork Russian River in California.

Updated · Source: CDEC station COY Provisional

Water level Provisional

723.56ft

msl · 3:00 PM PST, Nov 8, 2026

  • 38.24 ftbelow full pool (761.8 ft)
  • −0.14 ftin 24 h−1.13 ft in 7 days−6.54 ft in 30 days
720730740750760770780720730740750760770780720730740750760770780
  • Full pool
  • 1 yr ago

Is Lake Mendocino full?

No. Lake Mendocino is 38.24 ft below full pool (761.8 ft). It is 7.46 ft lower than a year ago (731.02 ft on Nov 8, 2025).

Lake Mendocino level history

View data table
DateLevel (ft)% full
Nov 8, 2026723.56—
Nov 7, 2026723.71—
Nov 6, 2026723.86—
Nov 5, 2026724.02—
Nov 4, 2026724.18—
Nov 3, 2026724.33—
Nov 2, 2026724.51—
Nov 1, 2026724.73—
Oct 31, 2026724.97—
Oct 30, 2026725.21—
Oct 29, 2026725.43—
Oct 28, 2026725.66—
Oct 27, 2026725.90—
Oct 26, 2026726.13—
Oct 25, 2026726.38—
Oct 24, 2026726.61—
Oct 23, 2026726.86—
Oct 22, 2026727.09—
Oct 21, 2026727.33—
Oct 20, 2026727.58—
Oct 19, 2026727.84—
Oct 18, 2026728.09—
Oct 17, 2026728.35—
Oct 16, 2026728.58—
Oct 15, 2026728.81—
Oct 14, 2026729.04—
Oct 13, 2026729.26—
Oct 12, 2026729.47—
Oct 11, 2026729.68—
Oct 10, 2026729.90—
Oct 9, 2026730.10—
  • Lake Mendocino level
  • Full pool 761.8 ft
  • Above full pool
Source: CDEC · Daily averages since 1990

Lake Mendocino on Nov 8 in past years

Lake Mendocino water level on Nov 8 in past years
YearLevel (ft)vs todayvs full pool
2026today723.56—−38.24 ft
2025731.02+7.46−30.78 ft
2024726.66+3.10−35.14 ft
2023735.96+12.40−25.84 ft
2022717.15−6.41−44.65 ft
2021698.69−24.87−63.11 ft
2020714.45−9.11−47.35 ft
2019737.05+13.49−24.75 ft
2018729.51+5.95−32.29 ft
2017735.28+11.72−26.52 ft
2016725.83+2.27−35.97 ft

Today’s level is the lowest for this date since 2022.

Lake facts

Full pool (conservation pool)
761.8 ft msl
Highest since 1990
760.57 ftDec 31, 2005
Lowest since 1990
690.68 ftOct 22, 2021
Data since
Jan 1, 1990
Dam
Coyote Valley Damcompleted 1959
River
East Fork Russian River
Operated by
US Army Corps of Engineers, San Francisco District
Dam location
Mendocino County
Gauge location
39.1988, −123.1833

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Jan 1, 1990 to today (daily averages).

Weather on the lake

  1. This Afternoon73°FHighLow 44°FWNW 6 mphMostly Cloudy
  2. Tonight44°FLowNNW 1–6 mphMostly Cloudy
  3. Monday72°FHighLow 44°FNNW 1–7 mphPatchy Fog then Mostly Sunny
  4. Tuesday76°FHighLow 41°FNW 1–7 mphPatchy Fog then Sunny
  5. Wednesday77°FHighLow 42°FSE 3 mphPatchy Fog then Sunny
  6. Thursday71°FHighLow 42°FSE 2–6 mphMostly Sunny
  7. Friday68°FHighLow 42°FSSE 1–5 mphChance Light Rain

Forecast: National Weather Service for the dam area (39.20, −123.18). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Lake Mendocino?
761.8 ft above mean sea level, the top of its conservation pool. Above it, the extra water is flood storage that is later released downstream through Coyote Valley Dam.
How much does Lake Mendocino need to be full?
Lake Mendocino needs 38.24 ft more water to reach full pool (761.8 ft), as of Nov 8, 2026.
Is Lake Mendocino rising or falling?
It is falling: −1.13 ft in the last 7 days and −0.14 ft in 24 hours, to 723.56 ft on 3:00 PM PST, Nov 8, 2026 (California Data Exchange Center).
What is the highest level in our data?
Lake Mendocino reached 760.57 ft on Dec 31, 2005. The lowest was 690.68 ft on Oct 22, 2021 (CDEC data since 1990; older records are not in this data set).
How much has Lake Mendocino changed in the last year?
In the last 12 months it ranged from 723.60 ft (Nov 8, 2026) to 752.11 ft (Feb 26, 2026), a swing of 28.51 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from California Data Exchange Center. The last reading is from 3:00 PM PST, Nov 8, 2026.

Where this data comes from

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