Mirror Lake Dam is an earth dam located in New Haven County, Connecticut, built in 1949. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 20 ft20 ft tall and 500 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Mirror Lake Dam
The primary purpose of Mirror Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Meriden (local government). It impounds the Crow Hollow Brook near Meriden.
The dam stands 20 feet tall and stretches 500 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 66 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1949, the structure is well-established, with more than 75 years of service.
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 03/26/2020.
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Location
| State | Connecticut |
| County | New Haven |
| Nearest City | Meriden |
| River/Stream | Crow Hollow Brook |
| Coordinates | 41.54806, -72.83488 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 500 ft |
| Year Completed | 1949 (77 years old) |
Storage & Hydraulics
| NID Storage | 66 acre-ft |
| Max Storage | 66 acre-ft |
| Normal Storage | 66 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 315 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Meriden |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 03/26/2020 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT01049 |
| Federal ID | CT01049 |
| More Info | State Dam Safety Program |