Newton Falls Upper

Newton Falls Upper is a concrete dam located in St. Lawrence County, New York, built in 1927. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Newton Falls Upper

The primary purpose of Newton Falls Upper 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 Erie Boulevard Hydropower, L.p. (private). It impounds the Oswegatchie River near Fine.

The dam stands 50 feet tall and stretches 600 feet across, creates a reservoir covering 650 acres, has a maximum storage capacity of 5,930 acre-feet, and collects water from a drainage area of 172 square miles. Completed in 1927, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/17/2022.

At 50 feet, this dam is taller than 93% of dams nationwide.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountySt. Lawrence
Nearest CityFine
River/StreamOswegatchie River
Coordinates44.21470, -74.98690

Physical Characteristics

Dam TypeConcrete
NID Height50 ft
Dam Height21 ft
Dam Length600 ft
Year Completed1927 (99 years old)

Storage & Hydraulics

NID Storage5,930 acre-ft
Max Storage5,930 acre-ft
Normal Storage5,930 acre-ft
Surface Area650 acres
Drainage Area172 sq mi
Max Discharge1,732 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeHydroelectric
OwnerErie Boulevard Hydropower, L.P.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/17/2022
Emergency Action PlanYes

Identifiers

NID IDNY00472
Federal IDNY00472
More InfoState Dam Safety Program

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