Raystown Lake Water Level
Pennsylvania · updated daily from the U.S. Geological Survey
786.40 ft
Raystown Lake is above average for this time of year and steady (+0.15 ft in the last 7 days).
Change since yesterday: +0.02 ft
Reading as of 2026-08-14 · higher than 68% of August readings on record
Where Raystown Lake sits historically
Today's level compared with every reading in our 22.9-year record for this lake.
Since yesterday
+0.02 ft
7-day change
+0.15 ft
30-day change
+0.06 ft
1-year change
+0.13 ft
Last 30 days
Last 12 months
Full history (22.9 years)
Raystown Lake records and averages
| Current level | 786.40 ft |
|---|---|
| Record high | 801.48 ft (2004-09-20) |
| Record low | 776.41 ft (2021-12-27) |
| Average of all readings | 785.69 ft |
| Data span | 22.9 years (8,312 readings) |
Frequently asked questions
Is Raystown Lake full right now?
As of 2026-08-14, Raystown Lake sits at 786.40 ft, which is above average for this time of year.Over the past 30 days the level has risen 0.06 ft.
What is the water level at Raystown Lake today?
The most recent reading is 786.40 ft (2026-08-14), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Raystown Lake has ever been?
The highest level in our records is 801.48 ft on 2004-09-20. The lowest is 776.41 ft on 2021-12-27. Our record covers about 22.9 years of readings.
Is Raystown Lake low for this time of year?
Compared with every August in our records, the current level is higher than 68% of them — above average for this time of year. Seasonal comparison matters more than the raw number, because most reservoirs draw down predictably through late summer and refill over winter and spring.
Why is Raystown Lake changing right now?
Reservoir levels move for four main reasons: rainfall and runoff into the basin, releases through the dam for downstream water supply, power generation or flood control, evaporation during hot months, and seasonal drawdown schedules set by the operating agency. Raystown Lake has risen 0.06 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Raystown Lake changed over the past year?
The level is +0.13 ft compared with this date last year (786.40 ft today). The full-history chart above covers 22.9 years, with a record high of 801.48 ft and a record low of 776.41 ft.
Nearby lakes in Pennsylvania
Source: the U.S. Geological Survey. Readings are provisional and subject to revision by the publishing agency. All Pennsylvania lake levels.