Chasm

Chasm is a concrete dam located in Franklin County, New York, built in 1913. It carries a Low hazard potential classification and has a satisfactory condition assessment.

About Chasm

The primary purpose of Chasm is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. It impounds the Salmon River near Titusville.

The dam stands 25 feet tall and stretches 209 feet across, creates a reservoir covering 22 acres, has a maximum storage capacity of 74 acre-feet, and collects water from a drainage area of 126 square miles. Completed in 1913, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 07/13/2022.

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Low HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyFranklin
Nearest CityTitusville
River/StreamSalmon River
Coordinates44.74540, -74.22330

Physical Characteristics

Dam TypeConcrete
NID Height25 ft
Dam Height25 ft
Dam Length209 ft
Year Completed1913 (113 years old)

Storage & Hydraulics

NID Storage74 acre-ft
Max Storage74 acre-ft
Normal Storage74 acre-ft
Surface Area22 acres
Drainage Area126 sq mi
Max Discharge5,500 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
Owner TypeNot Listed
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection07/13/2022
Emergency Action PlanNot Required

Identifiers

NID IDNY00469
Federal IDNY00469
More InfoState Dam Safety Program

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