Oregon lake & reservoir water levels

27 lakes tracked · 27 with a current elevation reading · USGS Water Services + USACE CWMS Data

Oregon has 27 lakes and reservoirs tracked here — 27 with a current elevation reading, from USGS Water Services and USACE CWMS Data. Sort the table by level, storage, %-full, or trend, then open any lake for its full elevation-with-datum, trend sparkline, storage, and source-and-vintage stamp. Figures are provisional readings for reference — not for navigation or safety decisions.

Statewide totals Oregon · USGS + USACE
Lakes tracked
27

27 report a current pool-elevation reading; the rest report storage only.

With elevation reading
27
With %-full figure
0

All Oregon lakes

Every lake tracked in Oregon. Click a column heading to sort, or filter by name. Elevation lakes are listed before storage-only lakes; a missing figure always shows "not reported," never an estimate.

Oregon lakes, elevation lakes first, by name.
Datum Trend
Applegate Lake 1,912.97 NGVD29 ↓Falling
Big Cliff Lake 1,200.34 NGVD29 ↑Rising
Blue River Lake 1,271.18 NGVD29 ↓Falling
Bull Run Lake 3,163.78 NGVD29 ↓Falling
Bull Run Reservoir No 1 1,010.92 NGVD29 ↓Falling
Bull Run Reservoir No 2 858.44 NGVD29 ↓Falling
Cottage Grove Lake 774.54 NGVD29 ↓Falling
Cougar Lake 1,559.39 NGVD29 ↓Falling
Crater Lake 6,166.30 NGVD29 ↓Falling
Detroit Lake 1,528.67 NGVD29 ↓Falling
Dexter Lake at Dexter 692.05 NGVD29 ↑Rising
Diamond Lake 5,183.95 NGVD29 →Steady
Dorena Lake 818.32 NGVD29 ↓Falling
Fall Creek Lake 794.86 NGVD29 ↓Falling
Fern Ridge Lake 368.67 NGVD29 ↓Falling
Foster Lake at Foster 636.79 NGVD29 ↑Rising
Galesville Reservoir 1,826.40 NGVD29 ↓Falling
Green Peter Lake 919.09 NGVD29 ↓Falling
Hills Creek Lake 1,460.23 NGVD29 ↓Falling
Lake Abert 4,252.10 NAVD88 ↓Falling
Lake Billy Chinook 1,944.55 NGVD29 →Steady
Lake Billy Chinook 1,944.50 NGVD29 →Steady
Lemolo Lake 4,146.77 NGVD29 →Steady
Lookout Point Lake 842.93 NGVD29 ↓Falling
Lost Creek Lake 1,795.11 NGVD29 ↓Falling
Upper Klamath Lake 4,141.28 NAVD88 ↓Falling
Willow Creek Lake at Heppner 2,052.16 NGVD29 ↓Falling

Data: USGS Water Services (waterservices.usgs.gov) and USACE CWMS Data (cwms-data.usace.army.mil), retrieved 2026-08-31. Both public domain (a work of the U.S. Government, 17 U.S.C. §105).

Frequently asked questions

How many lakes and reservoirs in Oregon are tracked here?
27, of which 27 report a current pool-elevation reading. The rest report storage only, or lack a fresh reading and are not published.
Which Oregon lakes report a %-full figure?
None of Oregon's lakes in this dataset currently have a source-provided %-full figure — we show the bare level rather than estimate one.
Where does the data come from?
USGS Water Services and USACE CWMS Data, both public domain. See the methodology page for the exact endpoints and update cadence.

Explore

Read the methodology behind these figures, or search all lakes nationally from the home page.