Mills Mills Dam

Mills Mills Dam is a concrete dam located in Allegany County, New York, built in 1930. It carries a Low hazard potential classification.

About Mills Mills Dam

The primary purpose of Mills Mills Dam is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Kenneth P Hance (private). It impounds the Wiscoy Creek near Mills Mills.

The dam stands 12 feet tall and stretches 170 feet across, creates a reservoir covering 25 acres, has a maximum storage capacity of 75 acre-feet, and collects water from a drainage area of 60 square miles. Completed in 1930, the structure is well-established, with more than 75 years of service.

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. The most recent inspection on record was 08/18/1998. That was over 27 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyAllegany
Nearest CityMills Mills
River/StreamWiscoy Creek
Coordinates42.50000, -78.12000

Physical Characteristics

Dam TypeConcrete
NID Height12 ft
Dam Height12 ft
Dam Length170 ft
Year Completed1930 (96 years old)

Storage & Hydraulics

NID Storage75 acre-ft
Max Storage75 acre-ft
Normal Storage50 acre-ft
Surface Area25 acres
Drainage Area60 sq mi
Max Discharge450 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerKENNETH P HANCE
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection08/18/1998
Emergency Action PlanNot Required

Identifiers

NID IDNY00841
Federal IDNY00841
More InfoState Dam Safety Program

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