St. Regis Falls

St. Regis Falls is a timber crib dam located in Franklin County, New York, built in 1947. It carries a Low hazard potential classification and has a satisfactory condition assessment.

Hazard potentialLowFailure would cause limited damage
ConditionSatisfactoryBest of 4 ratings
Emergency action planNot reported
Last inspection07/15/2022
Height10 ft
Built194779 years ago

Dam profile

NID height · 10 ft
10 FT TWO-STORY HOUSEMEDIAN U.S. DAM · 24 FT

10 ft tall and 152 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.

About St. Regis Falls

The primary purpose of St. Regis Falls 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 Azure Mountain Power Company (private). It impounds the St. Regis River near St Regis Falls.

The dam stands 10 feet tall and stretches 152 feet across, creates a reservoir covering 225 acres, has a maximum storage capacity of 800 acre-feet, and collects water from a drainage area of 235 square miles. Completed in 1947, 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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/15/2022.

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Location

StateNew York
CountyFranklin
Nearest CitySt Regis Falls
River/StreamSt. Regis River
Coordinates44.67240, -74.54460

Physical Characteristics

Dam TypeTimber Crib
NID Height10 ft
Dam Height10 ft
Dam Length152 ft
Year Completed1947 (79 years old)

Storage & Hydraulics

NID Storage800 acre-ft
Max Storage800 acre-ft
Normal Storage800 acre-ft
Surface Area225 acres
Drainage Area235 sq mi
Max Discharge1,800 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerAzure Mountain Power Company
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection07/15/2022
Emergency Action PlanNot Required

Identifiers

NID IDNY00210
Federal IDNY00210
More InfoState Dam Safety Program