South River at Harriston
Flood levels
Official flood levels at this gauge: action stage begins at 6.0 ft; minor flooding begins at 9.5 ft; moderate flooding begins at 12.0 ft; major flooding begins at 16.0 ft.
| Action stage | 6.0 ft |
|---|---|
| Minor flooding | 9.5 ft |
| Moderate flooding | 12.0 ft |
| Major flooding | 16.0 ft |
Highest recorded crests
- 18.8 ft on Nov 1, 1877 (historic crest)
- 18.8 ft on Sep 1, 1870 (historic crest)
- 17.2 ft on Oct 15, 1942 (historic crest)
- 16.6 ft on May 1, 1924 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.5 ft | Water begins to overflow into fields near the river. |
|---|---|
| 10.0 ft | The very end of Route 770 is flooded, along with nearby fields. |
| 11.0 ft | Water reaches a low spot on Route 625. |
| 12.0 ft | Trixie Lane is flooded. Water approaches homes near the river. |
| 15.0 ft | A large portion of Route 825 is flooded. Several homes are flooded nearby. |
| 16.0 ft | Numerous homes are flooded, along with several roads and significant amounts of farmland. |
Forecast office: NWS Sterling · River Forecast Center: Middle Atlantic River Forecast Center.
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