Lake Hayward Dam
Lake Hayward Dam is an earth dam located in Middlesex County, Connecticut, built in 1877. It carries a Significant hazard potential classification and has a fair condition assessment.
About Lake Hayward Dam
The primary purpose of Lake Hayward Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Property Owners Association Of Lake Hayward (private). It impounds the Lake Hayward Brook near East Haddam.
The dam stands 8 feet tall and stretches 130 feet across, creates a reservoir covering 184 acres, has a maximum storage capacity of 645 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1877, 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 08/29/2019.
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Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | East Haddam |
| River/Stream | Lake Hayward Brook |
| Coordinates | 41.50946, -72.32567 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 8 ft |
| Dam Height | 8 ft |
| Dam Length | 130 ft |
| Year Completed | 1877 (149 years old) |
Storage & Hydraulics
| NID Storage | 645 acre-ft |
| Max Storage | 645 acre-ft |
| Normal Storage | 645 acre-ft |
| Surface Area | 184 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 53 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Property Owners Association of Lake Hayward |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 08/29/2019 |
| Emergency Action Plan | No |
Identifiers
| NID ID | CT00352 |
| Federal ID | CT00352 |
| More Info | State Dam Safety Program |