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Fern Ridge Lake Water Level Today

Daily level, distance to full pool and history for Fern Ridge Lake, on the Long Tom River in Oregon.

Updated · Source: USGS 14168000 Provisional

Water level Provisional

359.69ft

msl · 7:10 AM PST, Nov 9, 2026

  • 13.81 ftbelow full pool (373.5 ft)
  • −0.54 ftin 24 h−2.97 ft in 7 days−8.04 ft in 30 days
360365370375380360365370375380360365370375380
  • Full pool
  • 1 yr ago

Is Fern Ridge Lake full?

No. Fern Ridge Lake is 13.81 ft below full pool (373.5 ft). It is 0.56 ft higher than a year ago (359.13 ft on Nov 9, 2025).

Fern Ridge Lake level history

Full pool 373.5 ft
View data table
DateLevel (ft)
Nov 9, 2026359.69
Nov 8, 2026360.13
Nov 7, 2026360.65
Nov 6, 2026361.17
Nov 5, 2026361.59
Nov 4, 2026361.96
Nov 3, 2026362.32
Nov 2, 2026362.66
Nov 1, 2026363.02
Oct 31, 2026363.36
Oct 30, 2026363.69
Oct 29, 2026363.97
Oct 28, 2026364.24
Oct 27, 2026364.49
Oct 26, 2026364.73
Oct 25, 2026364.95
Oct 24, 2026365.21
Oct 23, 2026365.47
Oct 22, 2026365.73
Oct 21, 2026365.99
Oct 20, 2026366.24
Oct 19, 2026366.46
Oct 18, 2026366.69
Oct 17, 2026366.91
Oct 16, 2026367.08
Oct 15, 2026367.19
Oct 14, 2026367.29
Oct 13, 2026367.40
Oct 12, 2026367.51
Oct 11, 2026367.61
Oct 10, 2026367.73
  • Fern Ridge Lake level
  • Full pool 373.5 ft
  • Above full pool
Source: USGS · Daily averages since 1974

Fern Ridge Lake on Nov 9 in past years

Fern Ridge Lake water level on Nov 9 in past years
YearLevel (ft)vs todayvs full pool
2026today359.69—−13.81 ft
2025359.13−0.56−14.37 ft
2024357.98−1.71−15.52 ft
2023359.42−0.27−14.08 ft
2022359.32−0.37−14.18 ft
2021359.45−0.24−14.05 ft
2020357.35−2.34−16.15 ft
2019354.40−5.29−19.10 ft
2018354.07−5.62−19.43 ft
2017357.59−2.10−15.91 ft
2016358.62−1.07−14.88 ft

Today’s level is the highest for this date since 1999.

Lake facts

Full pool (conservation pool)
373.5 ft msl
Highest since 1974
374.01 ftApr 9, 2019
Lowest since 1974
351.36 ftJan 9, 2016
Data since
Oct 1, 1974
Dam
Fern Ridge Damcompleted 1941
River
Long Tom River
Operated by
US Army Corps of Engineers, Portland District
Dam location
Lane County
Gauge location
44.1207, −123.3012

Dam, river and owner from the National Inventory of Dams (USACE). Records cover Oct 1, 1974 to today (daily averages).

Fern Ridge Lake map and depth

  • Dam
  • Level gauge
Shoreline © OpenStreetMap contributors · Open the full map
Surface area
about 7,370 acresmeasured on the OpenStreetMap outline
Height of Fern Ridge Dam
49 ftNational Inventory of Dams

The outline shows the mapped shoreline, not today’s water line: when the lake is low, the water stands back from it.

Weather on the lake

  1. Today58°FHighLow 50°FS 3–10 mphLight Rain Likely then Rain Showers
  2. Tonight50°FLowS 8 mphChance Rain Showers then Slight Chance Light Rain
  3. Tuesday65°FHighLow 48°FSSW 2–7 mphMostly Cloudy
  4. Wednesday66°FHighLow 46°FS 0–3 mphPartly Sunny
  5. Thursday62°FHighLow 46°FS 1 mphMostly Cloudy then Slight Chance Light Rain
  6. Friday57°FHighLow 46°FSSW 13–16 mphLight Rain
  7. Saturday56°FHighLow 43°FS 8–15 mphLight Rain

Forecast: National Weather Service for the dam area (44.12, −123.30). Wind speeds are forecasts, not measurements.

Nearby lakes

Quick answers

What is the full pool level of Fern Ridge Lake?
373.5 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 Fern Ridge Dam.
How much does Fern Ridge Lake need to be full?
Fern Ridge Lake needs 13.81 ft more water to reach full pool (373.5 ft), as of Nov 9, 2026.
Is Fern Ridge Lake rising or falling?
It is falling: −2.97 ft in the last 7 days and −0.54 ft in 24 hours, to 359.69 ft on 7:10 AM PST, Nov 9, 2026 (US Geological Survey).
When was Fern Ridge Lake last full?
It was last at or above full pool (373.5 ft) on May 16, 2025. On Nov 9, 2026 it was 13.81 ft below.
What is the highest level in our data?
Fern Ridge Lake reached 374.01 ft on Apr 9, 2019. The lowest was 351.36 ft on Jan 9, 2016 (USGS data since 1974; older records are not in this data set).
How much has Fern Ridge Lake changed in the last year?
In the last 12 months it ranged from 352.83 ft (Nov 25, 2025) to 371.66 ft (May 7, 2026), a swing of 18.83 ft.
How often is this page updated?
This page is updated several times a day with the latest reading from US Geological Survey. The last reading is from 7:10 AM PST, Nov 9, 2026.

Where this data comes from

Reservoir gauge 14168000 of the US Geological Survey (waterdata.usgs.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.