Tamarack Swamp Dam

Tamarack Swamp Dam is an earth dam located in Dutchess County, New York, built in 1959. It carries a Low hazard potential classification.

About Tamarack Swamp Dam

The primary purpose of Tamarack Swamp Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Fred H Bontecou (private). It impounds the Tr-wappinger Creek near Stanfordville.

The dam stands 14 feet tall and stretches 1,130 feet across, creates a reservoir covering 133 acres, has a maximum storage capacity of 710 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1959, 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 03/15/2010. That was over 16 years ago.

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

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateNew York
CountyDutchess
Nearest CityStanfordville
River/StreamTr-wappinger Creek
Coordinates41.84167, -73.64500

Physical Characteristics

Dam TypeEarth
NID Height14 ft
Dam Height14 ft
Dam Length1,130 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage710 acre-ft
Max Storage710 acre-ft
Normal Storage510 acre-ft
Surface Area133 acres
Drainage Area1 sq mi
Max Discharge1,560 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeIrrigation
OwnerFRED H BONTECOU
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection03/15/2010
Emergency Action PlanNot Required

Identifiers

NID IDNY00928
Federal IDNY00928
More InfoState Dam Safety Program

Nearby Dams