New Hampshire Dams

664 dams tracked by the National Inventory of Dams

Total Dams

664

High Hazard

162

24.4%

Poor / Unsatisfactory

152

Average Age

100 yrs

Hazard Classification

High162 (24.4%)
Significant185 (27.9%)
Low300 (45.2%)

Condition Assessment

Satisfactory267 (40.2%)
Fair169 (25.5%)
Poor / Unsatisfactory152 (22.9%)
Not Rated76 (11.4%)

Federal

22

State

170

Local

195

Private

261

All Dams in New Hampshire

Showing 476500 of 664

Dam NameHeight (ft)YearHazardCondition
Everett Dam - Dike P-1

Hillsborough County

501961HighNot Available
Everett Dam

Hillsborough County

1151961HighNot Available
Evas Marsh Dam

Hillsborough County

91962LowPoor
Errol

Coos County

251887LowSatisfactory
Epping Wastewater Lagoons Dam

Rockingham County

91970SignificantFair
Emery Road Dam

Merrimack County

101910LowFair
Eel Pond Dam

Rockingham County

15LowSatisfactory
Edward MacDowell Dam

Hillsborough County

631950HighNot Available
Echo Lake Dam

Grafton County

71990LowSatisfactory
Eastman Treatment Lagoons Dam

Sullivan County

18SignificantNot Rated
Eastman Lake Dam

Sullivan County

351972HighSatisfactory
Eastman Holding Pond Dam

Sullivan County

23LowNot Rated
Eastman Falls

Merrimack County

431937SignificantSatisfactory
East Inlet Dam

Coos County

131900LowSatisfactory
Durham Reservoir Dam

Strafford County

171930HighSatisfactory
Dunklee Pond Dam

Hillsborough County

91986LowFair
Dudley Pond Dam

Hillsborough County

13LowPoor
Dube Pond Dam

Merrimack County

81966SignificantPoor
Drew Lake South Weir

Hillsborough County

12LowNot Rated
Dream Lake Dam

Hillsborough County

91966UndeterminedNot Rated
Downing Pond Dam

Strafford County

151921LowFair
Dorr Woolen Sewage Lagoon Dam

Sullivan County

201982SignificantFair
Dorrs Pond Dam

Hillsborough County

91934HighPoor
Dole Reservoir Dike

Sullivan County

111913SignificantFair
Dole Reservoir Dam

Sullivan County

431913HighFair
PreviousPage 20 of 27Next

Data sourced from the National Inventory of Dams (NID). Hazard classification reflects potential consequences of failure, not the likelihood of failure.