Peconic River Sportsman Club Dam

Peconic River Sportsman Club Dam is an earth dam located in Suffolk County, New York, built in 1925. It carries a Significant hazard potential classification and has a satisfactory condition assessment.

About Peconic River Sportsman Club Dam

Peconic River Sportsman Club Dam is a dam in Suffolk, New York. The dam is owned by Peconic River Sportsmans Club (private). It impounds the Peconic River near Calverton.

The dam stands 11 feet tall and stretches 610 feet across, creates a reservoir covering 63 acres, has a maximum storage capacity of 420 acre-feet, and collects water from a drainage area of 26 square miles. Completed in 1925, the structure is over a century old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. 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 12/13/2022.

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Significant HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateNew York
CountySuffolk
Nearest CityCalverton
River/StreamPeconic River
Coordinates40.90028, -72.77528

Physical Characteristics

Dam TypeEarth
NID Height11 ft
Dam Height11 ft
Dam Length610 ft
Year Completed1925 (101 years old)

Storage & Hydraulics

NID Storage420 acre-ft
Max Storage420 acre-ft
Normal Storage230 acre-ft
Surface Area63 acres
Drainage Area26 sq mi
Max Discharge600 cfs
Spillway TypeControlled

Ownership & Safety

PurposeOther
OwnerPECONIC RIVER SPORTSMANS CLUB
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection12/13/2022
Emergency Action PlanYes

Identifiers

NID IDNY01340
Federal IDNY01340
More InfoState Dam Safety Program

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