Is Blackwater Lake low right now?
Blackwater Lake was at 515.42 ft on October 10, 2026, 0.58 ft below its full pool of 516.0 ft. That is 0.98 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
Blackwater Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 515.42 | −0.01 | −0.6 |
| Oct 9 | 515.43 | ±0.00 | −0.6 |
| Oct 8 | 515.43 | ±0.00 | −0.6 |
| Oct 7 | 515.43 | −0.02 | −0.6 |
| Oct 6 | 515.45 | −0.01 | −0.5 |
| Oct 5 | 515.46 | −0.04 | −0.5 |
| Oct 2 | 515.50 | −0.12 | −0.5 |
| Oct 1 | 515.62 | −0.22 | −0.4 |
| Sep 30 | 515.84 | +0.28 | −0.2 |
| Sep 29 | 515.56 | −0.02 | −0.4 |
| Sep 28 | 515.58 | +0.07 | −0.4 |
| Sep 27 | 515.51 | +0.04 | −0.5 |
| Sep 26 | 515.47 | +0.01 | −0.5 |
| Sep 25 | 515.46 | ±0.00 | −0.5 |
About Blackwater Lake
- Full pool
- 516.0 ft (Top of Normal)
- 10-year range
- 514.7 ft (September 15, 2025) to 546.2 ft (May 12, 2025)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NAE district, BWD
Lakes near Blackwater Lake
- Hopkinton LakeNew Hampshire · 9 mi 382.4 ft +1.9 wk2.4 ft above full pool
- Franklin Falls LakeNew Hampshire · 11 mi 307.3 ft +0.0 wkAt full pool
- Everett LakeNew Hampshire · 16 mi 339.8 ft −0.1 wkNormal for this time of year
- Edward MacDowell LakeNew Hampshire · 32 mi 911.2 ft −0.3 wkNormal for this time of year
- Otter Brook LakeNew Hampshire · 36 mi 702.3 ft −0.3 wkNormal for this time of year
- Surry Mountain LakeNew Hampshire · 37 mi 491.4 ft −0.0 wkLower than usual for this time of year
Questions
Is Blackwater Lake low right now?
Blackwater Lake was at 515.42 ft on October 10, 2026, 0.58 ft below its full pool of 516.0 ft. That is 0.98 ft below the typical level for October 10 — lower than in 9 of 10 past years. Over the past week the lake has been steady.
What is full pool for Blackwater Lake?
Full pool (Top of Normal) is 516.0 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 Blackwater 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 (NAE district, BWD). Readings are provisional and can be revised.