Cottage Grove Lake

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

near Cottage Grove, OR · Oregon · USGS gauge

Water level · NGVD29

754.09FT

Gauge elevation · no % full published

7 days −3.49 ft30 days −14.70 ftvs last year −4.01 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, 89% chance of rain

Wind2 to 7 mph

Rain89%

Temp66°F

Level754.1 ft

TodayMostly Cloudy then Rain · 66°F
SW 2 to 7 mph · rain 89%

TonightRain · 40°F
SSW 1 to 8 mph · rain 97%

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

As of Oct 25, 2026, Cottage Grove Lake stood at 754.09 (NGVD29) ft.

Over the past 7 days the lake has been falling (−3.49 ft), and it is −14.70 ft over 30 days.

Compared with a year ago (758.10 ft, same time of day), the lake is 4.01 ft lower.

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

Lake facts

Gauge / station	COTTAGE GROVE LAKE NR COTTAGE GROVE, OR
Elevation datum	ft (NGVD29)
Gauge location	43.7165, -123.0498

Nearby lakes

Dorena Lake7 mi NE782.82 ft−10.21 ft Dexter Lake19 mi NE692.87 ft+0.22 ft Lookout Point Lake20 mi NE803.30 ft−4.68 ft Fall Creek Lake21 mi NE764.11 ft−3.12 ft Fern Ridge Lake31 mi NW364.94 ft−1.75 ft

Common questions

Is Cottage Grove Lake rising or falling?

Over the last 7 days it changed −3.49 ft and over 30 days −14.70 ft.

How full is Cottage Grove 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.