Hayes Marsh Dam

Low HazardFair ConditionEmergency Action Plan: Not Required

Location

StateNew Hampshire
CountyMerrimack
Nearest CityALLENSTOWN
River/StreamCATAMOUNT BROOK
Coordinates43.13870, -71.37460

Physical Characteristics

Dam TypeEarth
NID Height10 ft
Dam Height10 ft
Dam Length240 ft
Year Completed1951 (75 years old)

Storage & Hydraulics

NID Storage279 acre-ft
Max Storage279 acre-ft
Normal Storage93 acre-ft
Surface Area29 acres
Drainage Area1 sq mi
Max Discharge243 cfs

Ownership & Safety

PurposeRecreation
OwnerNH FISH AND GAME DEPARTMENT
Owner TypeState
Hazard ClassificationLow
Condition AssessmentFair
Last Inspection09/27/2018
Emergency Action PlanNot Required

Identifiers

NID IDNH00516
Federal IDNH00516
More InfoState Dam Safety Program

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