Lakefullness

Cougar Reservoir water level: Cougar Rippling deep blue lake water 170.9 ft low

Cougar Reservoir is 170.9 ft below full pool. The Cougar Dam gauge read 1,519.07 ft at 6:30 AM PST, November 4, 2026.

Data note: only 0 past years on this date. Some comparisons on this page are left out until the record is long enough.

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Source: U.S. Army Corps of Engineers, NWP district. Agency page.

How Cougar stands today

1500 1520 1540 1560 1580 1600 1620 1640 1660 1680 1700 Full pool 1,690.00 ft Today 1,519.07 ft Feet above sea level (NGVD29)

The past year, day by day

The blue line is the past 12 months; the sand line is the 12 months before. Hover or use the arrow keys to read any day.

  • Past 12 months
  • The 12 months before
  • Full pool
1,550 1,600 1,650 1,700 DecJanFebMarAprMayJunJulAugSepOctNov Full pool 1,690.00 Today
1,550 1,600 1,650 1,700 DecFebAprJunAugOct Full pool 1,690.00 Today
Readings for the last 30 days
DateLevel (ft)Normal (ft)
November 4, 20261,519.06—
November 3, 20261,519.92—
November 2, 20261,521.22—
November 1, 20261,522.28—
October 31, 20261,523.29—
October 30, 20261,524.29—
October 29, 20261,525.25—
October 28, 20261,526.17—
October 27, 20261,527.02—
October 26, 20261,527.90—
October 25, 20261,528.65—
October 24, 20261,529.42—
October 23, 20261,530.05—
October 22, 20261,530.67—
October 21, 20261,531.26—
DateLevel (ft)Normal (ft)
October 20, 20261,531.86—
October 19, 20261,532.43—
October 18, 20261,532.98—
October 17, 20261,533.52—
October 16, 20261,534.08—
October 15, 20261,534.65—
October 14, 20261,535.23—
October 13, 20261,535.84—
October 12, 20261,536.49—
October 11, 20261,537.15—
October 10, 20261,537.80—
October 9, 20261,538.40—
October 8, 20261,538.97—
October 7, 20261,539.53—
October 6, 20261,540.12—

Other Oregon lakes, lowest first

Lake water surface
Open water
Oregon lakes ranked by how full they are
Lake Level (ft) Vs full pool For the date
Phillips Lake 3,982.11 80.3 ft below Much lower than usual
Blue River Lake 1,205.88 144.1 ft below Much lower than usual
Applegate Lake 1,880.79 106.2 ft below Lower than usual
Dorena Lake 769.59 62.4 ft below Lower than usual
Cottage Grove Lake 750.32 39.7 ft below About normal
Brownlee Reservoir 2,060.84 13.2 ft below Higher than usual
Fern Ridge Lake 362.05 11.5 ft below Much higher than usual
Fall Creek Lake 758.52 71.5 ft below Much higher than usual
Green Peter Reservoir 836.67 173.3 ft below —
Lookout Point Lake 796.88 129.1 ft below —
Hills Creek Lake 1,446.58 94.4 ft below —
Lost Creek Lake 1,779.29 92.7 ft below —
Detroit Lake 1,481.54 82.0 ft below —
Foster Lake 615.84 21.2 ft below —

All 15 Oregon lakes →

Cougar questions

What is full pool at Cougar Reservoir?

Full pool at Cougar Reservoir is 1,690.00 ft above sea level today. The agency's own term for it is “top of conservation.”

Is Cougar Reservoir full right now?

No. It is 170.9 ft below full pool.

What are the highest and lowest levels since 2026?

In the daily record we hold, which starts in 2026, the highest daily level was 1,549.42 ft on September 20, 2026 and the lowest was 1,519.06 ft on November 4, 2026.

How often is this page updated?

We pull new readings from the U.S. Army Corps of Engineers several times a day. This page was last rebuilt on Wed, 04 Nov 2026 15:13:17 UTC. Readings are provisional and can be revised by the agency.