Red Hook Mills Dam

Red Hook Mills Dam is a stone dam located in Dutchess County, New York. It carries a Significant hazard potential classification and has a poor condition assessment.

About Red Hook Mills Dam

The primary purpose of Red Hook Mills Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Danny & Franca Cooper (private). It impounds the Saw Kill near Annandale-on-hudson.

The dam stands 26 feet tall and stretches 80 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 104 acre-feet.

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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 03/22/2023.

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Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyDutchess
Nearest CityAnnandale-on-hudson
River/StreamSaw Kill
Coordinates42.01056, -73.87278

Physical Characteristics

Dam TypeStone
NID Height26 ft
Dam Height26 ft
Dam Length80 ft

Storage & Hydraulics

NID Storage104 acre-ft
Max Storage104 acre-ft
Normal Storage104 acre-ft
Surface Area12 acres
Max Discharge1,000 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDanny & Franca Cooper
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection03/22/2023
Emergency Action PlanYes

Identifiers

NID IDNY01179
Federal IDNY01179
More InfoState Dam Safety Program

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