James River (VA) at Holcomb Rock
Flood levels
Official flood levels at this gauge: action stage begins at 18.0 ft; minor flooding begins at 22.0 ft; moderate flooding begins at 24.0 ft; major flooding begins at 28.0 ft.
| Action stage | 18.0 ft |
|---|---|
| Minor flooding | 22.0 ft |
| Moderate flooding | 24.0 ft |
| Major flooding | 28.0 ft |
Highest recorded crests
- 42.1 ft on Nov 5, 1985 (historic crest)
- 35.5 ft on Aug 20, 1969 (historic crest)
- 32.4 ft on Jun 22, 1972 (historic crest)
- 31.3 ft on Mar 28, 1913 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 22.0 ft | Two feet of water in powerhouse lower floor. |
|---|---|
| 23.0 ft | Power equipment yard and access flooded at holcomb rock dam. |
| 28.0 ft | Water reaches mail floor of powerhouse. |
| 32.0 ft | Water floods railroad tracks along right bank. |
Forecast office: NWS Blacksburg · River Forecast Center: Middle Atlantic River Forecast Center.
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