South Fork Tolt Reservoir level history
In the 367 days we have on record (Nov 3, 2025 to Nov 4, 2026), the highest level was 1,764.46 ft on Mar 20, 2026 and the lowest was 1,717.13 ft on Nov 3, 2026.
South Fork Tolt Reservoir Water Level Today
Current elevation 1,717.13 ft
No change in 24 h▼ 1.97 ft in 7 days
As of Nov 4, 2026, 3:00 AM PST, South Fork Tolt Reservoir is at 1,717.13 ft. The level has fallen 1.97 ft over the last 7 days.
Advertisement
South Fork Tolt Reservoir level history
Level
| Date | Elevation | Daily change | Storage |
|---|---|---|---|
| Nov 4, 2026 | 1,717.13 ft | 0.00 ft | — |
| Nov 3, 2026 | 1,717.13 ft | −0.31 ft | — |
| Nov 2, 2026 | 1,717.44 ft | −0.41 ft | — |
| Nov 1, 2026 | 1,717.85 ft | −0.42 ft | — |
| Oct 31, 2026 | 1,718.27 ft | −0.29 ft | — |
| Oct 30, 2026 | 1,718.56 ft | −0.24 ft | — |
| Oct 29, 2026 | 1,718.80 ft | −0.30 ft | — |
| Oct 28, 2026 | 1,719.10 ft | +0.02 ft | — |
| Oct 27, 2026 | 1,719.08 ft | −0.30 ft | — |
| Oct 26, 2026 | 1,719.38 ft | −0.28 ft | — |
| Oct 25, 2026 | 1,719.66 ft | −0.47 ft | — |
| Oct 24, 2026 | 1,720.13 ft | −0.39 ft | — |
| Oct 23, 2026 | 1,720.52 ft | −0.34 ft | — |
| Oct 22, 2026 | 1,720.86 ft | −0.41 ft | — |
Conditions at the gauge
Wind 5 mph Nov 4, 2026, 3:00 AM PST
Rain 0.00 in Nov 4, 2026, 3:00 AM PST
Advertisement
Lakes near South Fork Tolt Reservoir
Sammamish Lake 21 mi · 26.00 ft Howard 29 mi · 1,111.09 ft Lake Tapps 39 mi · 538.59 ft Mud Mountain Lake 40 mi · 915.69 ft Lake Shannon 59 mi · 406.05 ft Baker Lake 66 mi · 711.67 ft
All Washington lake levels FAQ
What is the South Fork Tolt Reservoir water level today?
1,717.13 ft as of Nov 4, 2026, 3:00 AM PST, reported by the U.S. Geological Survey.
How often is this page updated?
Every 3 hours. The gauge reports several times a day.
What is the highest and lowest level of South Fork Tolt Reservoir?
In the period we have (since Nov 3, 2025): 1,764.46 ft and 1,717.13 ft.
Data: U.S. Geological Survey, gauge 12147900 (official page). Provisional data, subject to revision. For information only. Not for navigation or flood safety decisions. Check the official source. LakeLevelHQ is not affiliated with any government agency.