Dams in Hillsborough County, New Hampshire

105Total Dams

37High Hazard

18Significant

Dam	Hazard	Condition	Height (ft)	Purpose	Year
Everett Dam	High	Not Available	115	Flood Risk Reduction	1961
Souhegan River Site 26 Dam	High	Fair	79	Flood Risk Reduction	1965
Souhegan River Site 25b Dam	High	Fair	74	Flood Risk Reduction	1967
Gregg Falls	High	Satisfactory	66	Hydroelectric	1917
Edward Macdowell Dam	High	Not Available	63	Flood Risk Reduction	1950
Souhegan River Site 10a Dam	High	Satisfactory	59	Flood Risk Reduction	1966
Everett Dam - Dike P-1	High	Not Available	50	Flood Risk Reduction	1961
Jackman Reservoir Dam	High	Poor	43	Hydroelectric	1926
Souhegan River Site 12a North Dike	High	Fair	39	Flood Risk Reduction	1965
Souhegan River Site 12a South Dam	High	Fair	38	Flood Risk Reduction	1965
Souhegan River Site 19 Dam	High	Fair	36	Flood Risk Reduction	1962
Harris Pond Dam	High	Satisfactory	35	Water Supply	1861
Weare Reservoir Dam	High	Poor	34	Recreation	1913
Goffstown Upper Reservoir Dam	High	Poor	31	Water Supply	1934
Kelley's Falls Dam	High	Poor	31	Hydroelectric	1916
Goffstown Lower Reservoir Dam	High	Fair	30	Water Supply	1906
Massabesic Lake Dam	High	Satisfactory	30	Water Supply	1873
Souhegan River Site 35 Dam	High	Fair	30	Flood Risk Reduction	1965
Everett Dam - Dike P-2	High	Not Available	30	Flood Risk Reduction	1961
Amoskeag	High	Fair	29	Hydroelectric	1921
Souhegan River Site 28 Dam	High	Satisfactory	29	Flood Risk Reduction	1964
Supply Pond Dam	High	Fair	28	Water Supply	1854
Souhegan Site 14 Dam	High	Fair	28	Flood Risk Reduction	1836
Deering Reservoir Dam	High	Satisfactory	25	Recreation	1940
Bowers Dam	High	Poor	25	Water Supply	1884
Verney Mill Hydro Dam	High	Not Rated	25	Hydroelectric	1916
Souhegan Site 8 Dam	High	Satisfactory	25	Flood Risk Reduction	1977
New Wilton Reservoir Dam	High	Poor	24	Recreation	1931
Souhegan River Site 33 Dam	High	Fair	21	Flood Risk Reduction	1971
Uncanoonuc Lake Dike	High	Fair	15	Recreation	1954
Merrimack River Right Bank Fdr	High	Fair	15	Flood Risk Reduction	1949
Ws Packaging Canal Dam	High	Satisfactory	15	Recreation	1876
Gregg Lake Dam	High	Poor	12	Recreation	1908
Uncanoonuc Lake Dam	High	Satisfactory	10	Recreation	1936
Gumpas Pond Dam	High	Poor	10	Recreation	1900
Dorrs Pond Dam	High	Poor	9	Recreation	1934
Pierce Pond Dam	High	Poor	8	Recreation	1700
Jackson Mills	Significant	Satisfactory	33	Hydroelectric	1920
Otis Falls	Significant	Satisfactory	27	Hydroelectric	1982
Hillsborough Mill	Significant	Fair	22	Hydroelectric	1925
Hadley Falls	Significant	Satisfactory	20	Hydroelectric	1922
Woodbury Estate Pond Dam	Significant	Satisfactory	16	Recreation	1935
Crotched Mtn Storage Lagoon Dam	Significant	Satisfactory	15	Other	1989
Frog Pond Dam	Significant	Not Rated	15	Recreation	1916
Union Street	Significant	Satisfactory	15	Hydroelectric	1916
Monadnock Paper Indust Lag Dam	Significant	Satisfactory	14	Other	1973
Noone Mills	Significant	Satisfactory	14	Hydroelectric	1938
Steels Pond	Significant	Satisfactory	14	Hydroelectric	1909
Antrim Sewage Lagoons Dam	Significant	Satisfactory	13	Other	1978
Souhegan River Site 15 Dam	Significant	Fair	13	Flood Risk Reduction	1963
Hillsborough Sewage Lagoon Dam	Significant	Fair	12	Other	1984
Sargent Center Infiltration Lagoon	Significant	Not Rated	11	Other
Farrar Marsh Dam	Significant	Fair	11	Recreation	1978
Peterborough Treatment Lagoon Dam	Significant	Fair	9	Other	1972
Peters Farm Pond Dam	Significant	Unsatisfactory	9	Fish and Wildlife Pond	1856
Compressor Pond Dam	Low	Fair	28	Recreation	1900
Salmon Brook Dam	Low	Not Rated	28	Recreation	1963
Monadnock	Low	Satisfactory	22	Hydroelectric	1923
Powder Mill	Low	Satisfactory	21	Hydroelectric	1924
Cohas Avenue Dam	Low	Satisfactory	20	Water Supply	1874
Pine Island Pond Dam	Low	Fair	19	Recreation	1896
Waterloom Falls	Low	Satisfactory	18	Hydroelectric	1980
Salmon Brook I Dam	Low	Not Rated	17	Recreation	1887
Stump Pond Dam	Low	Fair	16	Recreation	1938
Ayers Pond Dam	Low	Fair	16	Recreation	1865
Souhegan Site 8 Cemetery Dike	Low	Satisfactory	16	Flood Risk Reduction	1977
Mine Falls	Low	Satisfactory	16	Hydroelectric	1889
Perkins Pond Marsh Dam	Low	Satisfactory	15	Recreation	1924
Burton Pond Dam	Low	Fair	14	Recreation	1837
Souhegan River Site 13 Dam	Low	Satisfactory	14	Flood Risk Reduction	1964
Dudley Pond Dam	Low	Poor	13	Recreation
Mountain Pond Dam	Low	Fair	13	Fish and Wildlife Pond	1930
Holt Pond Dam	Low	Satisfactory	13	Water Supply	1890
Taylor Pond Dam	Low	Fair	12	Recreation	1965
Daniels Lake Dam	Low	Poor	12	Recreation	1961
North Village Dam	Low	Fair	12	Recreation	1836
Black Fox Pond Dam	Low	Satisfactory	12	Recreation	1975
Drew Lake South Weir	Low	Not Rated	12	Flood Risk Reduction
Goldman Dam	Low	Not Rated	12	Recreation	1930
Freestyle Farm Pond Dam	Low	Satisfactory	12	Recreation	1962
Beaver Brook Assoc Wldlife Pond Dam	Low	Fair	12	Fish and Wildlife Pond	1968
Pierce	Low	Satisfactory	12	Hydroelectric	1921
Whittemore Lake Dam	Low	Poor	11	Recreation	1886
Nashua Canal Dam And Dike	Low	Satisfactory	11	Recreation	1886
Riverdale Dam	Low	Not Rated	10	Flood Risk Reduction
Otter Brook Dam	Low	Fair	10	Recreation	1928
Black Pond Dam	Low	Fair	10	Recreation	1926
Commerce Park Wildlife Pond Dam	Low	Not Rated	10	Fish and Wildlife Pond	1972
Dunklee Pond Dam	Low	Fair	9	Recreation	1986
Osgood Pond Dam	Low	Fair	9	Recreation	1861
Middle Hancock Llc Dam	Low	Fair	9	Fish and Wildlife Pond	1976
Pratt Pond Dam	Low	Fair	9	Recreation	1935
Evas Marsh Dam	Low	Poor	9	Recreation	1962
Pratt Pond Dike	Low	Fair	9	Recreation
Moose Brook Dam	Low	Fair	9	Recreation	1977
Souhegan Site 8 South Dike	Low	Satisfactory	9	Flood Risk Reduction	1977
Paper Mill	Low	Satisfactory	9	Hydroelectric	1922
Hunts Pond Dam	Low	Fair	8	Recreation	1908
Willard Pond Dam	Low	Fair	8	Recreation	1937
Cranberry Meadow Pond Dam	Low	Fair	8	Recreation	1937
Silver Lake Dam	Low	Satisfactory	8	Recreation	1930
Pratt Pond Dam	Low	Poor	7	Recreation	1890
Pratt Pond Spillway Section	Low	Fair	6	Recreation	1935
Wildlife Pond Dam	Undetermined	Not Rated	10	Fish and Wildlife Pond
Dream Lake Dam	Undetermined	Not Rated	9	Recreation	1966