Genesee River at Mount Morris Dam
Critical Stages
720' - Action
760' - Flood
760' - Moderate
760' - Major
Latest Observation
Updated: 11:00 PM EST 12/14/25
Status: No Flooding
Stage: 587.16 ft
Flow: -999 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 1 AM 12/15 | 587.5 | -999 |
| 7 AM 12/15 | 587.5 | -999 |
| 1 PM 12/15 | 587.5 | -999 |
| 7 PM 12/15 | 587.5 | -999 |
| 1 AM 12/16 | 587.5 | -999 |
| 7 AM 12/16 | 587.5 | -999 |
| 1 PM 12/16 | 587.5 | -999 |
| 7 PM 12/16 | 587.5 | -999 |
| 1 AM 12/17 | 587.5 | -999 |
| 7 AM 12/17 | 587.5 | -999 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:00 AM 12/15 | 587.21 | -999 |
| 11:30 PM 12/14 | 587.18 | -999 |
| 11:00 PM 12/14 | 587.16 | -999 |
| 10:30 PM 12/14 | 587.14 | -999 |
| 10:00 PM 12/14 | 587.15 | -999 |
| 9:30 PM 12/14 | 587.15 | -999 |
| 9:00 PM 12/14 | 587.14 | -999 |
| 8:30 PM 12/14 | 587.11 | -999 |
| 8:00 PM 12/14 | 587.09 | -999 |
| 7:30 PM 12/14 | 587.11 | -999 |
| 7:00 PM 12/14 | 587.12 | -999 |
| 6:30 PM 12/14 | 587.12 | -999 |
| 6:00 PM 12/14 | 587.12 | -999 |
| 5:30 PM 12/14 | 587.16 | -999 |
| 5:00 PM 12/14 | 587.27 | -999 |
| 4:30 PM 12/14 | 587.33 | -999 |
| 4:00 PM 12/14 | 587.38 | -999 |
| 3:30 PM 12/14 | 587.44 | -999 |
| 3:00 PM 12/14 | 587.51 | -999 |
| 2:30 PM 12/14 | 587.59 | -999 |
| 2:00 PM 12/14 | 587.66 | -999 |
| 1:30 PM 12/14 | 587.71 | -999 |
| 1:00 PM 12/14 | 587.73 | -999 |
| 12:30 PM 12/14 | 587.69 | -999 |
| 12:00 PM 12/14 | 587.65 | -999 |
| 11:30 AM 12/14 | 587.65 | -999 |
| 11:00 AM 12/14 | 587.6 | -999 |
| 10:30 AM 12/14 | 587.59 | -999 |
| 10:00 AM 12/14 | 587.64 | -999 |
| 9:30 AM 12/14 | 587.69 | -999 |
760' -
Flood stage, capacity of dam is reached. Spillway utilized. Dam must release flow. Major flooding likely downstream all the way to Rochester area. Co-ordination necessary among affected agencies for possible evacuations.
720' -
Action-alert stage. Pool significantly full. Increase monitoring.
600' -
Conservation pool, June 15 to November 1, maintained as close to this level as possible.
584' -
Pool elevation. Typical low level-uncontrolled.
575' -
River bed elevation.
| Date | Stage (ft) |
|---|---|
| Jun 23, 1972 | 755 |
Data provided by the National Weather Service.
