Lake levels
Mount Morris Lake, NY
- water level
- 588.73 ft
- Condition
- Below average for this time of year
- 7-day change
- +1.62 ft
- 30-day change
- -0.44 ft
- 1-year change
- +0.42 ft
Reading as of 2026-10-12 | the U.S. Geological Survey
- Since yesterday
- +0.02 ft
- 7-day change
- +1.62 ft
- 30-day change
- -0.44 ft
- 1-year change
- +0.42 ft
- Record high
- 755.13 ft
In brief
Mount Morris Lake stood at 588.73 feet on Oct 12, 2026. That is lower than 72% of October readings since 1969.
Source: U.S. Geological Survey
Lake level timeline
Records and averages
| Current level | 588.73 ft |
|---|---|
| Record high | 755.13 ft (1972-06-25) |
| Record low | 584.27 ft (1976-09-01) |
| Average of all readings | 603.88 ft |
| Data span | 57 years (19,037 readings) |
Level schematic
Frequently asked questions
Is Mount Morris Lake full right now?
As of 2026-10-12, Mount Morris Lake sits at 588.73 ft, which is below average for this time of year. Over the past 30 days the level has fallen 0.44 ft.
What is the water level at Mount Morris Lake today?
The most recent reading at Mount Morris Lake is 588.73 ft (2026-10-12), sourced from the U.S. Geological Survey. Readings on this page refresh automatically as the agency publishes new data.
What is the highest Mount Morris Lake has ever been?
The highest level for Mount Morris Lake in our records is 755.13 ft on 1972-06-25. The lowest is 584.27 ft on 1976-09-01. Our record covers about 57 years of readings.
Is Mount Morris Lake low for this time of year?
Compared with every October in our records, the current level is higher than 28% of them, which we classify as below 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 Mount Morris 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. Mount Morris Lake has fallen 0.44 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Mount Morris Lake changed over the past year?
Mount Morris Lake is +0.42 ft compared with this date last year (588.73 ft today). The full-history chart above covers 57 years, with a record high of 755.13 ft and a record low of 584.27 ft.
Download and cite
Quote this reading
Mount Morris Lake stood at 588.73 feet on Oct 12, 2026. That is lower than 72% of October readings since 1969.
Download the full record
mount-morris-lake-ny-water-level-history.csv
How to cite
MyWaterLevel, “Mount Morris Lake water level, 1969 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/ny/mount-morris-lake/, accessed Oct 13, 2026.
Source: the U.S. Geological Survey. All New York lake levels. Readings are provisional and may be revised. About our data and methods.