LakeLevelIs Arrowrock Lake low right now?
Arrowrock Lake was at 3,126.93 ft on October 10, 2026, 88.82 ft below its full pool of 3,215.8 ft. That is 0.97 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.06 ft a day.
Arrowrock Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 3,126.83 | +0.38 | −88.9 |
| Oct 9 | 3,126.45 | +0.15 | −89.3 |
| Oct 8 | 3,126.30 | +0.02 | −89.4 |
| Oct 7 | 3,126.28 | −0.03 | −89.5 |
| Oct 6 | 3,126.31 | −0.05 | −89.4 |
| Oct 5 | 3,126.36 | −0.03 | −89.4 |
| Oct 4 | 3,126.39 | −0.03 | −89.4 |
| Oct 3 | 3,126.42 | −0.09 | −89.3 |
| Oct 2 | 3,126.51 | +0.35 | −89.2 |
| Oct 1 | 3,126.16 | +0.47 | −89.6 |
| Sep 30 | 3,125.69 | +0.24 | −90.1 |
| Sep 29 | 3,125.45 | −0.38 | −90.3 |
| Sep 28 | 3,125.83 | −2.10 | −89.9 |
| Sep 27 | 3,127.93 | −2.47 | −87.8 |
About Arrowrock Lake
- Full pool
- 3,215.8 ft (Top of Normal)
- 10-year range
- 3,098.5 ft (July 25, 2021) to 3,215.1 ft (April 18, 2026)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDP district, ARK
- Datum
- NGVD29
Lakes near Arrowrock Lake
- Lucky Peak LakeIdaho · 8 mi 2,945.1 ft +0.1 wkNormal for this time of year
- Anderson Ranch LakeIdaho · 29 mi 4,151.1 ft −0.5 wkNormal for this time of year
- Black Canyon ReservoirOregon · 35 mi 2,495.6 ft −1.0 wkNormal for this time of year
- Lake Lowell and Deer Flat DamsOregon · 41 mi 2,525.8 ft −0.0 wkNormal for this time of year
- C J Strike ReservoirIdaho · 45 mi 54.5 ft −0.0 wkLower than usual for this time of year
- CJ STRIKE ReservoirIdaho · 45 mi 2,457.2 ft −0.1 wkLower than usual for this time of year
Questions
Is Arrowrock Lake low right now?
Arrowrock Lake was at 3,126.93 ft on October 10, 2026, 88.82 ft below its full pool of 3,215.8 ft. That is 0.97 ft below the typical level for October 10, within the normal range. Over the past week the lake has been rising about 0.06 ft a day.
What is full pool for Arrowrock Lake?
Full pool (Top of Normal) is 3,215.8 ft above sea level, per U.S. Army Corps of Engineers. Levels above it mean the operator is storing flood water; levels below it are normal in late summer and winter drawdowns.
How often is the Arrowrock 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, ARK). Readings are provisional and can be revised.