Mirror Lake Dam is an earth dam located in Washington County, New York, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 18 ft18 ft tall and 450 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
Mirror Lake Dam is a dam in Washington, New York. The dam is owned by Granville Realty Inc (private). It impounds the Tr-mettawee River.
The dam stands 18 feet tall and stretches 450 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 165 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1991, the structure is 35 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 10/18/1991. That was over 35 years ago.
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Location
| State | New York |
| County | Washington |
| Nearest City | None |
| River/Stream | Tr-mettawee River |
| Coordinates | 43.51056, -73.30278 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 450 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 93 acre-ft |
| Surface Area | 10 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | Granville Realty Inc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 10/18/1991 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NY01617 |
| Federal ID | NY01617 |
| More Info | State Dam Safety Program |