Benson Mines Plant Dam

Benson Mines Plant Dam is an earth dam located in St. Lawrence County, New York. It carries a Low hazard potential classification.

About Benson Mines Plant Dam

The primary purpose of Benson Mines Plant Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by St Lawrence County Development Agency (private). It impounds the Little River near Star Lake.

The dam stands 38 feet tall and stretches 400 feet across, creates a reservoir covering 21 acres, and has a maximum storage capacity of 210 acre-feet.

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 07/13/2010. That was over 15 years ago.

At 38 feet, this dam is taller than 85% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountySt. Lawrence
Nearest CityStar Lake
River/StreamLittle River
Coordinates44.16972, -74.99250

Physical Characteristics

Dam TypeEarth
NID Height38 ft
Dam Height38 ft
Dam Length400 ft

Storage & Hydraulics

NID Storage210 acre-ft
Max Storage210 acre-ft
Normal Storage210 acre-ft
Surface Area21 acres
Max Discharge5,600 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerST LAWRENCE COUNTY DEVELOPMENT AGENCY
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection07/13/2010
Emergency Action PlanNot Required

Identifiers

NID IDNY01391
Federal IDNY01391
More InfoState Dam Safety Program

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