Lake Tappan Dam (Lake Tappan)

Field Descriptions

Dam Name: Lake Tappan Dam
NID ID: NJ00246
Longitude: -74.0011
Latitude: 41.01833
Map Section: Old Tappan Borough
County: BERGEN
River: HACKENSACK RIVER
State: NJ
Nearest City: Old Tappan
Owner Name: UNITED WATER NEW JERSEY
Owner Type: Private
Private Dam? No
Purposes: Water Supply
Year Completed: 1966
Dam Length: 590 feet
Dam Height: 34 feet
Maximum Discharge: 27000 cu ft/sec
Maximum Storage: 13600 acre-feet
Normal Storage: 11815 acre-feet
Surface Area: 560 acres
Drainage Area: 49.2 square miles
Hazard Potential: High
Emergency Action Plan? Yes
Inspection Date: 2011-11-21
Inspection Frequency: 0
State Regulated Dam? Yes
State Regulating Agency: NJDEP
Spillway Width: 0 feet
Source Agency:

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