Troy Sewage Lagoons Dam
Troy Sewage Lagoons Dam is an earth dam located in Cheshire County, New Hampshire, built in 1983. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Troy Sewage Lagoons Dam
Troy Sewage Lagoons Dam is a dam in Cheshire, New Hampshire. The dam is owned by Troy Water And Sewer Dept (local government). It impounds the Na near Troy.
The dam stands 16 feet tall and stretches 600 feet across, creates a reservoir covering 4 acres, and has a maximum storage capacity of 35 acre-feet. Completed in 1983, the structure is 43 years 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 04/21/2021.
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Location
| State | New Hampshire |
| County | Cheshire |
| Nearest City | Troy |
| River/Stream | Na |
| Coordinates | 42.83270, -72.18250 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 16 ft |
| Dam Height | 16 ft |
| Dam Length | 600 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 4 acres |
Ownership & Safety
| Purpose | Other |
| Owner | TROY WATER AND SEWER DEPT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 04/21/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00886 |
| Federal ID | NH00886 |
| More Info | State Dam Safety Program |