Souhegan River at Milford
Flood levels
Official flood levels at this gauge: action stage begins at 8.0 ft; minor flooding begins at 9.0 ft; moderate flooding begins at 11.0 ft; major flooding begins at 12.0 ft.
| Action stage | 8.0 ft |
|---|---|
| Minor flooding | 9.0 ft |
| Moderate flooding | 11.0 ft |
| Major flooding | 12.0 ft |
Highest recorded crests
- 12.5 ft on Apr 16, 2007 (historic crest)
- 11.2 ft on Oct 30, 2017 (historic crest)
- 9.9 ft on Apr 14, 2010 (historic crest)
- 9.8 ft on Dec 18, 2023 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 9.0 ft | Floodwaters begin to spill into the Milford Drive. Floodwaters encroach on properties on Intervale Road in Wilton and the Monadnock Water parking lot. |
|---|---|
| 9.5 ft | Water begins to flood a portion of Route 101A in Milford. Water begins to flood the property of the Milford water utilities department, properties on Intervale Road in Wilton, and the Monadnock Water parking lot. |
| 10.0 ft | Floodwaters inundate a portion of Route 101A in Milford and spread into property of the Milford water utilities department and Granite Town Plaza. Floodwaters encroach on low lying properties in Wilton including some on Intervale Road and Monadnock Water. |
| 11.0 ft | Floodwaters encroach on low lying businesses and residences off of Route 101A/Elm Street. This includes Brookstone Manor apartments. A portion of Route 101A floods. Floodwaters inundate a portion of the Milford Drive In. In Wilton, floodwaters affect low lying properties on Intervale road as well as Monadnock Water. |
| 12.5 ft | In Milford numerous locations along route 101A are impacted including Granite Town Plaza, Brookstone Manor Apartments, Route 101A, and Keyes Memorial Park. Significant flooding occurs at the Boys and Girls Club. Access is blocked to the lowest lying buildings on North River Road. Homes flood at the end of Bridge Street. The first main floors of buildings near the stone bridge flood. Swaths of farmland are inundated. In Wilton affected areas include Monadnock Water, Intervale Road, and Route 31. |
Forecast office: NWS Gray · River Forecast Center: Northeast River Forecast Center.
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Nearby stations and gauges
- Souhegan River at Merrimack NWS gauge · 10.2 mi
- South Branch Piscataquog River near Goffstown NWS gauge · 12.3 mi
- Contoocook River at Peterborough NWS gauge · 12.9 mi
- Nashua River at East Pepperell NWS gauge · 13.8 mi
- Merrimack River at Goffs Falls NWS gauge · 14.3 mi
- Piscataquog River at Goffstown NWS gauge · 14.4 mi