Iroquois National Refuge Dam Site #6

Iroquois National Refuge Dam Site #6 is an earth dam located in Orleans County, New York, built in 1966. It carries a Low hazard potential classification.

About Iroquois National Refuge Dam Site #6

Iroquois National Refuge Dam Site #6 is a dam in Orleans, New York. The dam is owned by U.s. Fish And Wildlife (federal). It impounds the Tr-oak Orchard Swamp.

The dam stands 7 feet tall and stretches 1,650 feet across, creates a reservoir covering 35 acres, has a maximum storage capacity of 90 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1966, the structure is well into its service life at over 50 years 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. The most recent inspection on record was 09/16/1977. That was over 48 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyOrleans
Nearest CityNone
River/StreamTr-oak Orchard Swamp
Coordinates43.14667, -78.37833

Physical Characteristics

Dam TypeEarth
NID Height7 ft
Dam Height7 ft
Dam Length1,650 ft
Year Completed1966 (60 years old)

Storage & Hydraulics

NID Storage90 acre-ft
Max Storage90 acre-ft
Normal Storage55 acre-ft
Surface Area35 acres
Drainage Area0 sq mi
Max Discharge212 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeOther
OwnerU.S. FISH AND WILDLIFE
Owner TypeFederal
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/16/1977
Emergency Action PlanNot Required

Identifiers

NID IDNY00372
Federal IDNY00372
More InfoState Dam Safety Program

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