Bethlehem Sewage Lagoon Dam
Bethlehem Sewage Lagoon Dam is an earth dam located in Grafton County, New Hampshire, built in 1985. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Bethlehem Sewage Lagoon Dam
Bethlehem Sewage Lagoon Dam is a dam in Grafton, New Hampshire. The dam is owned by Bethlehem Village District (local government). It impounds the Na near Bethlehem.
The dam stands 13 feet tall and stretches 2,108 feet across, creates a reservoir covering 3 acres, and has a maximum storage capacity of 26 acre-feet. Completed in 1985, the structure is 41 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 10/20/2020.
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Location
| State | New Hampshire |
| County | Grafton |
| Nearest City | Bethlehem |
| River/Stream | Na |
| Coordinates | 44.29556, -71.67652 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Height | 13 ft |
| Dam Length | 2,108 ft |
| Year Completed | 1985 (41 years old) |
Storage & Hydraulics
| NID Storage | 26 acre-ft |
| Max Storage | 26 acre-ft |
| Normal Storage | 14 acre-ft |
| Surface Area | 3 acres |
Ownership & Safety
| Purpose | Other |
| Owner | BETHLEHEM VILLAGE DISTRICT |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/20/2020 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00903 |
| Federal ID | NH00903 |
| More Info | State Dam Safety Program |