Water Supply Dams in New Jersey

New Jersey has 96 water supply dams, of which 60 carry a high hazard classification. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area.

#DamCountyHeight (ft)HazardConditionYear
1Round Valley South DamHunterdon178HighPoor1961
2Monksville DamPassaic150HighSatisfactory1986
3Round Valley North DamHunterdon135HighPoor1961
4Boonton DamMorris120HighSatisfactory1905
5Raymond DamPassaic103HighSatisfactory1928
6Charlotteburg DamMorris102HighSatisfactory1961
7Spruce Run Reservoir DamHunterdon93HighPoor1964
8Round Valley DikeHunterdon80HighPoor1961
9Clyde Potts Reservoir DamMorris80HighFair1932
10Great Notch Reservoir DamPassaic74HighSatisfactory1898
11Canistear Reservoir #1 DamSussex70HighFair1896
12Round Valley P&f DikeHunterdon68Low
13Glendola Reservoir DamMonmouth65HighSatisfactory1961
14Green Swamp #4 DamPassaic65HighSatisfactory1925
15Green Swamp #2 DamPassaic65HighSatisfactory1925
16Midvale DamPassaic61HighSatisfactory1928
17Oak Ridge Reservoir DamPassaic60HighPoor1892
18Canoe Brook Reservoir #3 DamEssex57HighSatisfactory1956
19Clinton Reservoir DamPassaic56HighFair1894
20Cedar Grove West Res DamEssex55HighFair1903
21Manasquan Reservoir DamMonmouth53HighSatisfactory1990
22Trenton Reservoir DamMercer52HighFair1899
23Cedar Grove South Res DamEssex51HighSatisfactory1903
24Cedar Grove North Res DamPassaic51HighFair1903
25Swimming River Reservoir DamMonmouth45HighSatisfactory1901
26Canistear Reservoir #2 DamSussex44HighFair1896
27Canoe Brook Reservoir #3 DikeEssex40HighSatisfactory1956
28Split Rock Pond DamMorris39HighSatisfactory1948
29Woodcliff Lake DamBergen38HighSatisfactory1906
30Warren Mill DamHunterdon38HighPoor1916
31Hackettstown Res. DamMorris38HighPoor
32Lake Tappan DamBergen34HighSatisfactory1966
33Orange Reservoir DamEssex34HighFair1958
34Farrington DamMiddlesex34HighFair1926
35Macopin Reservoir DamMorris34HighPoor1892
36Echo Lake Intake DamPassaic32HighFair1926
37Munson DamSalem32LowFair1934
38Kakeout DamMorris30HighSatisfactory1938
39Parsippany DikeMorris30HighSatisfactory1905
40Mine Hill Reservoir DamMorris30SignificantPoor1896
41Overflow Weir DamPassaic30HighSatisfactory1928
42Pompton Lakes DamPassaic30HighSatisfactory1908
43Canoe Brook Reservoir #2 DamEssex29HighSatisfactory1948
44Green Swamp #1 DamPassaic29HighSatisfactory1926
45Great Gorge DamSussex28HighSatisfactory1971
46Robinson's Branch Reservoir DamUnion27HighSatisfactory1907
47Peapack-gladstone Res DamMorris26LowPoor
48New Street Reservoir DamPassaic26HighFair1925
49Oradell Reservoir DamBergen25HighFair1922
50Canoe Brook Reservoir #1 DamEssex25HighSatisfactory1929
51New Jersey No Name # 14 DamSussex25Low
52Campbells Pond DamEssex22SignificantPoor1899
53Echo Lake Spillway DamPassaic22HighFair1926
54Branchville Reservoir DamSussex22SignificantSatisfactory1934
55Lake Tappan DikeBergen20Low
56Bear Brook DamEssex20SignificantSatisfactory1979
57Assunpink #8 DamMercer20HighPoor
58Btmua Reservoir DamOcean20HighSatisfactory
59Furnace Road DamPassaic20HighSatisfactory1928
60Morris Lake DamSussex19HighSatisfactory1895
61Doughty Pond DamAtlantic18SignificantSatisfactory1914
62Oldham Pond DamPassaic18HighSatisfactory1849
63Green Swamp #3 DamPassaic18HighSatisfactory1926
64East Lake DamCumberland17HighSatisfactory
65Lambertville #2 DamHunterdon17HighSatisfactory1877
66Westons Arch DamMiddlesex17SignificantFair1919
67Indian DamMonmouth17SignificantPoor1937
68Weston Mill Pond DamMiddlesex16SignificantFair1916
69Boonton Reservoir DamMorris15SignificantSatisfactory1900
70Picatinny LakeMorris15HighFair1904
71Brown DamSalem15LowSatisfactory1934
72Osborn Mills DamSomerset15SignificantSatisfactory
73Colesville Reservoir DamSussex15SignificantPoor
74Kuehnle Pond DamAtlantic14SignificantSatisfactory1935
75Canistear Reservoir DikeSussex14LowSatisfactory
76Stewart DamSussex14SignificantPoor1965
77Kakeout DikeMorris13HighSatisfactory
78Paulina Lake DamWarren13SignificantPoor1895
79Eden Mill DamMorris12SignificantPoor
80Lake DenmarkMorris12HighPoor1904
81Lake Rutherford DamSussex12HighSatisfactory
82Green Branch DamOcean11Low
83Deep Run DamMiddlesex10LowSatisfactory1988
84Davidsons Mill Pond DamMiddlesex10SignificantFair1950
85Jumping Brook DamMonmouth10LowSatisfactory1907
86Stabilization/leveling Pond DamMonmouth10LowSatisfactory1975
87Levine Reservoir DamPassaic10SignificantFair
88Bellman Br. Bleachery DamBergen9Low
89Canoe Brook DamEssex9LowPoor1880
90Quinton Pond DamSalem9SignificantSatisfactory
91Bottom's Lake DamCamden8SignificantPoor1938
92Magnolia Lake DamCape May8SignificantPoor1684
93Wildwood DikeMorris8LowSatisfactory
94Cedar Pond DamPassaic8LowPoor1920
95Island Farm Weir DamSomerset8LowSatisfactory
96Diversion DamSussex8HighPoor1959

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