Rocky Hill Pond Dam

Rocky Hill Pond Dam is an earth dam located in Hampshire County, Massachusetts, built in 1924. It carries a Low hazard potential classification and has a poor condition assessment.

About Rocky Hill Pond Dam

The primary purpose of Rocky Hill Pond Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Tcb Hospital Hill, Llc (private). It impounds the Tributary Of Mill River Diversion near Northampton.

The dam stands 26 feet tall and stretches 315 feet across, has a maximum storage capacity of 50 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1924, the structure is over a century old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 05/31/2006. That was over 19 years ago.

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Low HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateMassachusetts
CountyHampshire
Nearest CityNorthampton
River/StreamTributary Of Mill River Diversion
Coordinates42.30650, -72.66030

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Length315 ft
Year Completed1924 (102 years old)

Storage & Hydraulics

NID Storage50 acre-ft
Max Storage50 acre-ft
Normal Storage25 acre-ft
Drainage Area0 sq mi
Spillway TypeControlled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerTCB Hospital Hill, LLC
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentPoor
Last Inspection05/31/2006
Emergency Action PlanNot Required

Identifiers

NID IDMA00495
Federal IDMA00495
More InfoState Dam Safety Program

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