Osoyoos Lake water level — Washington

Washington · USGS · reading Aug 31, 2026, 1:00 AM (UTC-07:00) Provisional

Osoyoos Lake in Washington was last measured at 911.28 ft (datum NGVD29), as of Aug 31, 2026, 1:00 AM (UTC-07:00) (USGS Water Services). Over its recent trend window the level has been falling (−0.7 ft). This reading is provisional and subject to revision.

Current reading Osoyoos Lake · Washington
Pool elevation
911.28 ft

Datum NGVD29 · provisional, subject to revision. (Why datum matters →)

% of conservation pool full
Not reported
Storage
Not reported
Recent trend
↓Falling

−0.7 ft over the trend window

Recent trend

Readings this station published between Jun 2, 2026 and Aug 31, 2026 — a 89-day window — downsampled for display.

912.4ft911.3ftJun 2 – Aug 31

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).

Not for navigation or safety decisions (why →)

Source: USGS site 12439000, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00). Official page for this lake →

About this gauge's record

This site's drainage basin covers approximately 3,132 sq mi of contributing watershed.

How Osoyoos Lake compares nearby

5 of 6 nearby lakes with a current trend are also falling right now.

Nearby lakes

The six nearest published lakes by centroid distance (great-circle) — cross-state neighbors included.

Lakes nearest to Osoyoos Lake, with current level and distance.
Lake State Level Distance
Conconully Lake at Conconully WA 2,300.91 ft 50 km
Conconcully Reservoir WA 2,255.39 ft 52 km
Franklin Roosevelt Lake WA 1,284.17 ft 116 km
Lenore Lake WA 1,076.92 ft 160 km
Baker Lake WA 725.81 ft 168 km
Soap Lake WA 1,068.53 ft 173 km

Frequently asked questions

What is the current water level of Osoyoos Lake?
As of Aug 31, 2026, 1:00 AM (UTC-07:00), the pool elevation was 911.28 ft (datum NGVD29), provisional and subject to revision. See the trend chart above for the recent direction.
Is Osoyoos Lake full right now?
Its managing agency does not publish a %-of-conservation-pool-full figure for this lake, so we show the bare level rather than estimate one.
Where does this data come from?
From USGS site 12439000, retrieved Aug 31, 2026, 8:24 AM (UTC+00:00).

More in Washington

See every lake tracked in Washington, or read the methodology behind these figures.