Lake levels › Washington

Boundary Lake water level today

Normal for this time of year

1,979.57ft

feet above sea level ·

vs normal for Oct 9−2.3 ft
24 hours−1.59 ft
7 days−2.8 ft
30 days−3.2 ft

Is Boundary Lake low right now?

Boundary Lake was at 1,979.57 ft on October 9, 2026. That is 2.29 ft below the typical level for October 9, within the normal range. Over the past week the lake has been falling about 0.40 ft a day.

Last 12 monthsDaily level Normal range (10–90% of past years)
1,9711,9761,9801,9851,989NovDecJanFebMarAprMayJunJulAugSepOct

Boundary Lake on Oct 9 in past years

20251,977.4+2.2
20241,987.2−7.6
20231,982.9−3.3
20221,978.1+1.5
20211,981.8−2.2
20201,982.5−2.9

Level on the same date each year, and how today compares.

Daily levels, last two weeks

DateLevel (ft)Change
Oct 81,979.57−1.59
Oct 71,981.16+2.23
Oct 61,978.93−7.63
Oct 51,986.56+2.97
Oct 41,983.59−0.15
Oct 31,983.74−2.30
Oct 21,986.04+3.68
Oct 11,982.36+0.79
Sep 301,981.57−0.48
Sep 291,982.05+8.88
Sep 281,973.17−7.94
Sep 271,981.11−3.24
Sep 261,984.35−1.72
Sep 251,986.07+9.82

Daily means of the operator's readings (midnight to midnight, local time).

About Boundary Lake

10-year range
1,970.2 ft (March 13, 2020) to 1,989.3 ft (April 21, 2019)
Operated by
U.S. Army Corps of Engineers
Data
U.S. Army Corps of Engineers — NWDP district, BDY

Lakes near Boundary Lake

Questions

Is Boundary Lake low right now?

Boundary Lake was at 1,979.57 ft on October 9, 2026. That is 2.29 ft below the typical level for October 9, within the normal range. Over the past week the lake has been falling about 0.40 ft a day.

How often is the Boundary Lake level updated?

The operator reports every 15 minutes to an hour. This page refreshes several times a day; the time of the latest reading is shown next to the level.

Where does this data come from?

U.S. Army Corps of Engineers (NWDP district, BDY). Readings are provisional and can be revised.