Cobbs Mill Pond Dam

Cobbs Mill Pond Dam is a masonry dam located in Fairfield County, Connecticut, built in 1892. It carries a Significant hazard potential classification and has a fair condition assessment.

About Cobbs Mill Pond Dam

The primary purpose of Cobbs Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Freedman (private). It impounds the W Br Saugatuck River near Weston.

The dam stands 21 feet tall and stretches 87 feet across, creates a reservoir covering 1 acres, has a maximum storage capacity of 10 acre-feet, and collects water from a drainage area of 7 square miles. Completed in 1892, 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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 09/25/2015. That was over 10 years ago.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateConnecticut
CountyFairfield
Nearest CityWeston
River/StreamW Br Saugatuck River
Coordinates41.21013, -73.38797

Physical Characteristics

Dam TypeMasonry
NID Height21 ft
Dam Height21 ft
Dam Length87 ft
Year Completed1892 (134 years old)

Storage & Hydraulics

NID Storage10 acre-ft
Max Storage10 acre-ft
Normal Storage10 acre-ft
Surface Area1 acres
Drainage Area7 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerFreedman
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection09/25/2015
Emergency Action PlanNo

Identifiers

NID IDCT01424
Federal IDCT01424
More InfoState Dam Safety Program

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