LakeLevelIs Mud Mountain Lake low right now?
Mud Mountain Lake was at 917.06 ft on October 10, 2026, 12.94 ft below its full pool of 930.0 ft. Over the past week the lake has been falling about 0.04 ft a day.
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 917.16 | +0.01 | −12.8 |
| Oct 9 | 917.15 | +0.23 | −12.9 |
| Oct 8 | 916.92 | +0.09 | −13.1 |
| Oct 7 | 916.83 | −0.13 | −13.2 |
| Oct 6 | 916.96 | −0.19 | −13.0 |
| Oct 5 | 917.15 | −0.12 | −12.9 |
| Oct 4 | 917.27 | −0.14 | −12.7 |
| Oct 3 | 917.41 | −0.19 | −12.6 |
| Oct 2 | 917.60 | −0.22 | −12.4 |
| Oct 1 | 917.82 | −0.66 | −12.2 |
| Sep 30 | 918.48 | +1.48 | −11.5 |
| Sep 29 | 917.00 | +0.26 | −13.0 |
| Sep 28 | 916.74 | −0.26 | −13.3 |
| Sep 27 | 917.00 | −0.91 | −13.0 |
About Mud Mountain Lake
- Full pool
- 930.0 ft (Top of Normal)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NWDP district, MMD
- Datum
- NGVD29
Lakes near Mud Mountain Lake
- HOWARD A HANSON LakeWashington · 11 mi 1,136.3 ft −4.8 wkHigher than usual for this time of year
- Lake TappsWashington · 14 mi 540.2 ft −0.2 wkLower than usual for this time of year
- Cedar LakeWashington · 20 mi 1,528.8 ft −0.7 wkNormal for this time of year
- Chester Morse Lake @ Cedar FallsWashington · 21 mi 1,546.9 ft −1.3 wkNormal for this time of year
- Keechelus LakeWashington · 30 mi 2,433.8 ft +33.8 wkNormal for this time of year
- Sammamish LakeWashington · 31 mi 25.9 ft +0.1 wkNormal for this time of year
Questions
Is Mud Mountain Lake low right now?
Mud Mountain Lake was at 917.06 ft on October 10, 2026, 12.94 ft below its full pool of 930.0 ft. Over the past week the lake has been falling about 0.04 ft a day.
What is full pool for Mud Mountain Lake?
Full pool (Top of Normal) is 930.0 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 Mud Mountain 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, MMD). Readings are provisional and can be revised.