Reservoir · New York · United States · USACE CWMS
Mount Morris Dam
0.0% full
Capacity
75.58 hm³
Volume stored
0 hm³
Coordinates
42.733°N, 77.907°W
Last updated
2026-09-11
Current fill
0.0%vs 7 days ago
-3.3%losing
vs 1 year ago
N/A7-day trend
↓falling
Data source: USACE CWMS — US Army Corps of Engineers — 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: 2026-09-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.733, -77.907 · Open in Google Maps
About Mount Morris Dam
As of September 11, 2026, Mount Morris Dam is filled to 0.0% of its total capacity, holding roughly 0 hm³ of water out of a maximum 76 hm³. At this level the reservoir is critically low.
Over the most recent week on record the fill level has fallen by 3.3 percentage points.
Across the readings we hold for Mount Morris Dam — 186 data points between September 14, 2021 and September 11, 2026 — the level has ranged from a low of 0.0% (September 14, 2021) to a high of 100.0% (November 1, 2021). On average the reservoir is fullest around November and at its lowest around August.
It is operated by USACE primarily for multiple purposes. It lies within the New York basin at 42.733°N, 77.907°W.
Key facts
- Current fill level
- 0.0%
- Water stored
- 0 hm³
- Total capacity
- 76 hm³
- 7-day change
- ▼ 3.3 pts
- Primary use
- Multipurpose
- River basin
- New York
- Operator
- USACE
- Coordinates
- 42.733°N, 77.907°W
- Last updated
- September 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Sep 2026 | 0.0% | 0 |
| 10 Sep 2026 | 0.0% | 0 |
| 9 Sep 2026 | 0.0% | 0 |
| 8 Sep 2026 | 0.0% | 0 |
| 7 Sep 2026 | 0.0% | 0 |
| 6 Sep 2026 | 0.0% | 0 |
| 5 Sep 2026 | 0.0% | 0 |
| 4 Sep 2026 | 3.3% | 3 |
| 3 Sep 2026 | 2.7% | 2 |
| 2 Sep 2026 | 0.0% | 0 |
| 1 Sep 2026 | 0.0% | 0 |
| 31 Aug 2026 | 0.0% | 0 |