Dams in Grafton County, New Hampshire

82Total Dams
26High Hazard
25Significant
DamHazardConditionHeight (ft)PurposeYear
ComerfordHighSatisfactory170Hydroelectric1930
MooreHighSatisfactory149Hydroelectric1957
Baker River Site 2 DamHighFair68Flood Risk Reduction1965
Baker River Site 6a DamHighPoor68Flood Risk Reduction1975
Baker River Site 8 DamHighSatisfactory63Flood Risk Reduction1967
WilderHighSatisfactory59Hydroelectric1950
Baker River Site 5 DamHighPoor53Flood Risk Reduction1967
Oliverian DamHighSatisfactory52Flood Risk Reduction1962
Campton Pond Hydro DamHighFair39Hydroelectric1890
Lower Reservoir DamHighFair33Water Supply1893
Goose Pond DamHighPoor31Recreation1918
Upper Reservoir DamHighFair30Water Supply1924
Hanover Center Reservoir DamHighSatisfactory30Water Supply1962
Baker River Site 11 DamHighPoor24Flood Risk Reduction1971
Baker River Site 11a DamHighSatisfactory24Flood Risk Reduction1971
Rivermill Mascoma Hydro DamHighPoor22Hydroelectric1920
Dells Pond Outlet DamHighPoor20Recreation1935
Mascoma Lake DamHighPoor18Recreation1881
Corcoran Pond DamHighSatisfactory17Recreation1976
Squam LakeHighSatisfactory17Hydroelectric1856
Grist Mill Pond DamHighPoor16Hydroelectric1924
Pemigewasset River LeveeHighSatisfactory15Flood Risk Reduction1960
Newfound Lake DamHighPoor12Recreation1840
Smith Pond DamHighFair12Recreation1830
George Pond DamHighFair11Recreation1911
Spectacle Pond DamHighSatisfactory7Recreation1915
Ayers IslandSignificantSatisfactory80Hydroelectric1924
Storrs Pond DamSignificantSatisfactory34Recreation1934
Lower Mountain Lake DamSignificantSatisfactory33Recreation1967
Tyler Tree Farm DamSignificantFair25Fish and Wildlife Pond1969
Boston Lot Lake DamSignificantSatisfactory25Recreation1936
ApthorpSignificantSatisfactory24Hydroelectric1936
Harris Brook Reservoir DamSignificantPoor22Recreation1903
Crystal Lake DamSignificantSatisfactory22Recreation1910
Waterville Valley Lagoons DamSignificantSatisfactory19Other1972
Lincoln Sewage Lagoon DamSignificantSatisfactory19Other1975
Glen RoadSignificantSatisfactory17Hydroelectric1988
Lower Ipc DamSignificantFair16Recreation1930
Lebanon Water Treatment Intake DamSignificantSatisfactory16Water Supply1934
Ashland Sewage Lagoon DamSignificantFair15Other1968
Chandler Pond DamSignificantFair14Recreation1939
Weeks Crossing Pond DamSignificantSatisfactory14Recreation
Baker River Site 6 DamSignificantSatisfactory14Flood Risk Reduction1969
Canaan Sewage Lagoon DamSignificantSatisfactory13Other1991
Bethlehem Sewage Lagoon DamSignificantSatisfactory13Other1985
Lisbon Wastewater Lagoons DamSignificantSatisfactory13Other
WoodsvilleSignificantSatisfactory12Hydroelectric1827
Long Pond DamSignificantNot Rated12Fish and Wildlife Pond1933
Baker Brook Pond DamSignificantPoor11Recreation1928
Armington Lake DamSignificantSatisfactory9Recreation1900
Dartmouth Skiway Sewage Lagoon DamSignificantSatisfactory4Other1967
Locke 2 DamLowSatisfactory60Recreation1969
Upper Mountain Lake DamLowFair31Recreation1963
Bethlehem DamLowNot Rated29Recreation1926
Montcalm Golf Club DamLowFair27Recreation1984
Locke 1 DamLowPoor27Recreation1970
Fenn DamLowUnsatisfactory25Recreation1984
McindoesLowSatisfactory25Hydroelectric1931
Baltic Mills DamLowNot Rated21Hydroelectric1919
Grafton Pond DamLowFair21Recreation1918
Baker River Site 5 DikeLowSatisfactory20Flood Risk Reduction1969
Lower LisbonLowSatisfactory18Hydroelectric1986
Dodge FallsLowSatisfactory18Hydroelectric1905
Ammonoosuc RiverLowSatisfactory17Hydroelectric1900
Lcs Settling Ponds 4 And 5 DamLowNot Rated15Other1980
Beaver PondLowNot Rated14Fish and Wildlife Pond1927
Canaan Street Lake DamLowNot Rated14Recreation1917
Dodge Pond DamLowSatisfactory13Recreation1936
Hermit Hill Farm Pond DamLowSatisfactory13Fish and Wildlife Pond1975
Kilton Pond DamLowFair12Recreation1930
Mirror Lake DamLowSatisfactory12Recreation1836
Reservoir Pond DamLowPoor11Recreation1900
Pearl Lake DamLowPoor10Recreation1930
Cummins Pond DamLowSatisfactory10Recreation1880
Coffin Pond DamLowPoor10Recreation1960
Campton Bog Pond DamLowFair10Recreation1836
Stinson Lake DamLowSatisfactory8Recreation1780
White Oak Pond DamLowFair8Recreation1920
Lake Tarleton DamLowSatisfactory8Recreation1800
Echo Lake DamLowSatisfactory7Recreation1990
Ferson Pond DamLowPoor7Recreation1998
Loon Pond DamLowSatisfactory7Recreation1970