LakeLevelIs Blue Marsh Lake low right now?
Blue Marsh Lake was at 290.09 ft on October 10, 2026, 0.82 ft above its full pool of 289.3 ft. That is 0.08 ft above the typical level for October 10, within the normal range. Over the past week the lake has been steady.
Blue Marsh Lake on Oct 10 in past years
Daily levels, last two weeks
| Date | Level (ft) | Change | vs full pool |
|---|---|---|---|
| Oct 10 | 290.09 | −0.01 | +0.8 |
| Oct 9 | 290.10 | ±0.00 | +0.8 |
| Oct 8 | 290.10 | +0.02 | +0.8 |
| Oct 7 | 290.08 | +0.03 | +0.8 |
| Oct 6 | 290.05 | −0.01 | +0.8 |
| Oct 5 | 290.06 | −0.03 | +0.8 |
| Oct 4 | 290.09 | −0.04 | +0.8 |
| Oct 3 | 290.13 | −0.03 | +0.9 |
| Oct 2 | 290.16 | +0.01 | +0.9 |
| Oct 1 | 290.15 | −0.08 | +0.9 |
| Sep 30 | 290.23 | −0.10 | +1.0 |
| Sep 29 | 290.33 | −0.06 | +1.1 |
| Sep 28 | 290.39 | +0.12 | +1.1 |
| Sep 27 | 290.27 | +0.15 | +1.0 |
About Blue Marsh Lake
- Full pool
- 289.3 ft (Top of Conservation)
- 10-year range
- 283.7 ft (November 26, 2016) to 298.7 ft (September 3, 2021)
- Operated by
- U.S. Army Corps of Engineers
- Data
- U.S. Army Corps of Engineers — NAP district, BlueMarsh
- Datum
- NAVD88
Lakes near Blue Marsh Lake
- Struble LakePennsylvania · 21 mi 616.9 ft −0.1 wkNormal for this time of year
- Chambers LakePennsylvania · 26 mi 578.9 ft −0.2 wkNormal for this time of year
- Beltzville LakePennsylvania · 38 mi 628.1 ft +0.0 wk0.7 ft above full pool
- Indian Rock LakePennsylvania · 49 mi 372.2 ft −0.1 wk2.2 ft above full pool
- F.E. Walter LakePennsylvania · 53 mi 1,322.2 ft −33.5 wk22.8 ft above full pool
- Little Deer Creek ReservoirMaryland · 57 mi 513.2 ft −1.5 wkLatest reading
Questions
Is Blue Marsh Lake low right now?
Blue Marsh Lake was at 290.09 ft on October 10, 2026, 0.82 ft above its full pool of 289.3 ft. That is 0.08 ft above the typical level for October 10, within the normal range. Over the past week the lake has been steady.
What is full pool for Blue Marsh Lake?
Full pool (Top of Conservation) is 289.3 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 Blue Marsh 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 (NAP district, BlueMarsh). Readings are provisional and can be revised.