Camp Foss Sewage Lagoon Dam is an earth dam located in Strafford County, New Hampshire, built in 1979. It carries a Significant hazard potential classification and has a poor condition assessment.
Dam profile
NID height · 10 ft10 ft tall and 150 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 Camp Foss Sewage Lagoon Dam
Camp Foss Sewage Lagoon Dam is a dam in Strafford, New Hampshire. The dam is owned by The Granite Ymca (private). It impounds the Na near Strafford.
The dam stands 10 feet tall and stretches 150 feet across, creates a reservoir covering 0 acres, and has a maximum storage capacity of 0 acre-feet. Completed in 1979, the structure is 47 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 09/09/2019.
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Location
| State | New Hampshire |
| County | Strafford |
| Nearest City | Strafford |
| River/Stream | Na |
| Coordinates | 43.28830, -71.19080 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 150 ft |
| Year Completed | 1979 (47 years old) |
Storage & Hydraulics
| NID Storage | 0 acre-ft |
| Max Storage | 0 acre-ft |
| Normal Storage | 0 acre-ft |
| Surface Area | 0 acres |
Ownership & Safety
| Purpose | Other |
| Owner | The Granite Ymca |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Poor |
| Last Inspection | 09/09/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH03555 |
| Federal ID | NH03555 |
| More Info | State Dam Safety Program |