Dorena Lake

Name: Dorena Lake (Oregon) water level
Creator: U.S. Geological Survey

near Cottage Grove, OR · Oregon · USGS gauge

Water level · NGVD29

782.82FT

Gauge elevation · no % full published

7 days −10.21 ft30 days −30.84 ftvs last year −3.39 ft

Reading for Oct 25, 2026, 18:45 UTC · page refreshed Oct 25, 21:16 UTC
Source: U.S. Geological Survey (Water Data for the Nation)

Worth going today?Today

Windy or wet – use caution

Light wind, 85% chance of rain

Wind3 to 8 mph

Rain85%

Temp67°F

Level782.8 ft

TodayMostly Cloudy then Rain · 67°F
SW 3 to 8 mph · rain 85%

TonightRain · 39°F
S 2 to 8 mph · rain 96%

NWS forecast for the gauge location. Good = wind ≤ 10 mph and rain ≤ 30%; storms are flagged. Not safety advice – check local conditions, closures and warnings.

Field notes

Dorena Lake's latest daily level (Oct 25, 2026) is 782.82 (NGVD29) ft.

Over the past 7 days the lake has been falling (−10.21 ft), and it is −30.84 ft over 30 days.

Compared with a year ago (786.21 ft, same time of day), the lake is 3.39 ft lower.

Readings come from the USGS gauge “DORENA LAKE NEAR COTTAGE GROVE, OR”. Gauge elevations are not directly comparable between lakes because each uses its own datum.

Lake facts

Gauge / station	DORENA LAKE NEAR COTTAGE GROVE, OR
Elevation datum	ft (NGVD29)
Gauge location	43.7860, -122.9554

Nearby lakes

Cottage Grove Lake7 mi SW754.09 ft−3.49 ft Dexter Lake12 mi NE692.87 ft+0.22 ft Lookout Point Lake13 mi NE803.30 ft−4.68 ft Fall Creek Lake15 mi NE764.11 ft−3.12 ft Hills Creek Lake27 mi E1,448.61 ft−1.67 ft

Common questions

Is Dorena Lake rising or falling?

Over the last 7 days it changed −10.21 ft and over 30 days −30.84 ft.

How full is Dorena Lake?

USGS publishes the water surface elevation for this gauge but not a percent-full figure, so we don't show one rather than estimate it.

How often is this page updated?

The page is rebuilt automatically every day from USGS's published data. Values can be revised later by the source agency.

Where does the data come from?

The U.S. Geological Survey's Water Data API (api.waterdata.usgs.gov), which publishes readings from USGS and partner gauges. Forecasts come from the National Weather Service.

Latest instantaneous reading; 7-day, 30-day and year-ago changes compare readings at the same hour. USGS data are provisional and subject to revision. This page is not affiliated with or endorsed by the USGS. See data sources.