Reservoir · New York · United States · USGS NWIS
Cannonsville Reservoir
76.1% full
Capacity
357.34 hm³
Volume stored
272 hm³
Coordinates
42.073°N, 75.378°W
Last updated
2026-09-17
Current fill
76.1%vs 7 days ago
0.0%stable
vs 1 year ago
N/A7-day trend
→stable
Data source: USGS National Water Information System (NWIS) — daily reservoir storage volume. Design capacity is unavailable for this site, so fill % is estimated against the 5-year maximum storage and may overstate fullness. Last reading: 2026-09-17.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.073, -75.378 · Open in Google Maps
About Cannonsville Reservoir
As of September 17, 2026, Cannonsville Reservoir is filled to 76.1% of its total capacity, holding roughly 272 hm³ of water out of a maximum 357 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has held broadly steady (+0.0 pts).
Across the readings we hold for Cannonsville Reservoir — 1 data points between September 17, 2026 and September 17, 2026 — the level has ranged from a low of 76.1% (September 17, 2026) to a high of 76.1% (September 17, 2026).
It is operated by NYCDEP primarily for water supply. It lies within the New York basin at 42.073°N, 75.378°W.
Key facts
- Current fill level
- 76.1%
- Water stored
- 272 hm³
- Total capacity
- 357 hm³
- 7-day change
- No change
- Primary use
- Water supply
- River basin
- New York
- Operator
- NYCDEP
- Coordinates
- 42.073°N, 75.378°W
- Last updated
- September 17, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 17 Sep 2026 | 76.1% | 272 |