Contoocook River at Peterborough
Flood levels
Official flood levels at this gauge: action stage begins at 4.0 ft; minor flooding begins at 5.5 ft; moderate flooding begins at 7.0 ft; major flooding begins at 9.0 ft.
| Action stage | 4.0 ft |
|---|---|
| Minor flooding | 5.5 ft |
| Moderate flooding | 7.0 ft |
| Major flooding | 9.0 ft |
Highest recorded crests
- 15.0 ft on Sep 21, 1938 (historic crest)
- 7.2 ft on Apr 16, 2007 (historic crest)
- 6.9 ft on Mar 7, 2011 (historic crest)
- 6.8 ft on Jan 29, 1976 (historic crest)
What the water does
National Weather Service impact statements for this gauge, in the Weather Service's own words.
| 5.5 ft | Floodwaters approach low lying roads and properties in the Peterborough area...especially along Concord Street. |
|---|---|
| 6.5 ft | Significant flooding occurs in Peterborough. Floodwaters inundate portions of the Peterborough Plaza parking area. Floodwaters affect low lying businesses off of Grove street and Wilton road. Flooding occurs at low lying properties along and/or stretches of the following roads...Concord Street...Summer Street...Sharon Road...Bogle Road...and Hunt Road. Inundation may occur along the parking lots off of Pheasant Road including the Riverview Apartments. |
| 7.5 ft | Major flooding occurs in the Peterborough area. Route 136 floods near Bogle Road. Floodwaters affect low lying businesses off of Grove Street and Wilton Road including Peterborough Plaza...and parking lots and low lying residences off of Pheasant Road including the Riverview Apartments. Significant flooding occurs along roads and low lying properties adjacent to the river including the following...Concord Street...Jaffrey Road...Summer Street...Sharon Road...Bogle Road...and Hunt Road. |
| 9.5 ft | This is a major...life threatening flood in the Peterborough area. floodwaters affect low lying businesses off of Grove Street and Wilton Road including Peterborough Plaza...and parking lots and low lying residences off of Pheasant Road including the Riverview Apartments. Significant flooding occurs along roads and low lying properties adjacent to the river including the following...Route 136...Concord Street...Jaffrey Road...Summer Street...Sharon Road...Bogle Road...and Hunt Road. |
| 17.5 ft | This is the maximum reportable stage of the river gage. |
Forecast office: NWS Gray · River Forecast Center: Northeast River Forecast Center.
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