Lake levels
Cannonsville Reservoir, NY
- water level
- 1127.28 ft
- Condition
- Above average for this time of year
- 7-day change
- -2.36 ft
- 30-day change
- -7.20 ft
- 1-year change
- +13.77 ft
Reading as of 2026-10-12 | the U.S. Geological Survey
- Since yesterday
- -0.01 ft
- 7-day change
- -2.36 ft
- 30-day change
- -7.20 ft
- 1-year change
- +13.77 ft
- Record high
- 1154.26 ft
In brief
Cannonsville Reservoir stood at 1,127.28 feet on Oct 12, 2026. That is higher than 63% of October readings since 2019.
Source: U.S. Geological Survey
Lake level timeline
Records and averages
| Current level | 1127.28 ft |
|---|---|
| Record high | 1154.26 ft (2022-04-09) |
| Record low | 1103.11 ft (2024-11-25) |
| Average of all readings | 1136.90 ft |
| Data span | 6 years (2,521 readings) |
Level schematic
Trout stocking on Cannonsville Reservoir
NYSDEC's 2026 spring schedule lists 1 trout release on Cannonsville Reservoir, 6,760 fish in total, the first in the first week of May. Brown Trout at 8 inches. NYSDEC's published figures for 2025, the most recent season it has confirmed, record 6,690 trout actually released here across 1 visit.
| Species | Fish | When |
|---|---|---|
| Brown Trout | 6,760 | Early May |
NYSDEC lists a week or a month rather than a date, and notes that actual stocking can differ with fish availability and weather. Released at Deposit and Tompkins, Delaware County. Full New York stocking schedule →
Frequently asked questions
Is Cannonsville Reservoir full right now?
As of 2026-10-12, Cannonsville Reservoir sits at 1127.28 ft, which is above average for this time of year. Over the past 30 days the level has fallen 7.20 ft.
What is the water level at Cannonsville Reservoir today?
The most recent reading at Cannonsville Reservoir is 1127.28 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 Cannonsville Reservoir has ever been?
The highest level for Cannonsville Reservoir in our records is 1154.26 ft on 2022-04-09. The lowest is 1103.11 ft on 2024-11-25. Our record covers about 6 years of readings.
Is Cannonsville Reservoir low for this time of year?
Compared with every October in our records, the current level is higher than 63% of them, which we classify as 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 Cannonsville Reservoir low 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. Cannonsville Reservoir has fallen 7.20 ft over the past 30 days. For the operational reason on any given week, check the U.S. Geological Survey directly.
How much has Cannonsville Reservoir changed over the past year?
Cannonsville Reservoir is +13.77 ft compared with this date last year (1127.28 ft today). The full-history chart above covers 6 years, with a record high of 1154.26 ft and a record low of 1103.11 ft.
Download and cite
Quote this reading
Cannonsville Reservoir stood at 1,127.28 feet on Oct 12, 2026. That is higher than 63% of October readings since 2019.
Download the full record
cannonsville-reservoir-ny-water-level-history.csv
How to cite
MyWaterLevel, “Cannonsville Reservoir water level, 2019 to 2026,” data from U.S. Geological Survey, https://mywaterlevel.com/lake/ny/cannonsville-reservoir/, 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.