Mohawk River at Delta Dam
Flood levels
Official flood levels at this gauge: action stage begins at 549.0 ft; minor flooding begins at 551.5 ft; moderate flooding begins at 553.0 ft; major flooding begins at 554.0 ft.
| Action stage | 549.0 ft |
|---|---|
| Minor flooding | 551.5 ft |
| Moderate flooding | 553.0 ft |
| Major flooding | 554.0 ft |
Highest recorded crests
- 553.8 ft on Aug 19, 2021 (historic crest)
- 553.2 ft on May 24, 2004 (historic crest)
- 553.0 ft on Nov 1, 2019 (historic crest)
- 552.9 ft on Apr 28, 2011 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 549.0 ft | Action stage. |
|---|---|
| 550.0 ft | Water is level with the spillway. When the lake rises above this level the gates are usually closed. |
| 550.5 ft | Six inches of water are spilling over the Delta Dam spillway. |
| 551.0 ft | A foot of water is spilling over the Delta Dam spillway. |
| 551.5 ft | Minor flood stage. During the navigation season the Erie Canal may close due to high water. |
| 552.0 ft | Two feet of water are spilling over and there is minor flooding of lowlands below Lake Delta. |
| 552.5 ft | Two and a half feet of water are spilling over and the river begins to overflow its banks downstream. |
| 553.0 ft | Moderate flood stage. There is flooding downstream between the dam and Rome. At Delta Lake State Park, the beach, hiking trails and bottom half of the playground flood. |
| 553.8 ft | Compares to record flooding in August 2021. Delta Lake State Park main entrance was closed, power was lost to the park and the park was evacuated due to flooding and power outage. Lower playground and hiking trails next to the lake were flooded. |
| 554.0 ft | Major flood stage. |
Forecast office: NWS Albany · River Forecast Center: Northeast River Forecast Center.
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Nearby stations and gauges
- Fish Creek at Becks Grove NWS gauge · 9.4 mi
- Oriskany Creek near Oriskany NWS gauge · 9.7 mi
- Sauquoit Creek at Whitesboro NWS gauge · 13.1 mi
- Mohawk River at Utica NWS gauge · 15.5 mi
- Oneida Creek at Oneida NWS gauge · 16.2 mi
- West Canada Creek at Hinckley Dam NWS gauge · 16.3 mi