Monhagen Lake Dam

Significant HazardFair ConditionEmergency Action Plan: Yes

Location

CountyOrange
Nearest CityMiddletown
River/StreamMONHAGEN BROOK
Coordinates41.46083, -74.45306

Physical Characteristics

Dam TypeEarth
NID Height12 ft
Dam Height12 ft
Dam Length300 ft
Year Completed1867 (159 years old)

Storage & Hydraulics

NID Storage858 acre-ft
Max Storage858 acre-ft
Normal Storage635 acre-ft
Surface Area65 acres
Drainage Area0 sq mi
Max Discharge42 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerCITY OF MIDDLETOWN
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection04/03/2025
Emergency Action PlanYes

Identifiers

NID IDNY16220
Federal IDNY16220
More InfoState Dam Safety Program

Nearby Dams

Monhagen Lake Dike 0.2 mi High Highland Lake Dam 1.8 mi High Lake Pocatello Dam 1.9 mi Significant Woodward Dam 2.2 mi High Greenleaf Dike 2.8 mi High Lamson Dike 3.5 mi Low Silver Lake Dam 3.5 mi Low Windy Wes Golf Course Dam 4.1 mi Low Mill Pond Dam 4.2 mi Low Bear Swamp Reservoir Dam 4.9 mi Low