Israel River Dam
Israel River Dam is a concrete dam located in Coos County, New Hampshire, built in 1981. It carries a Low hazard potential classification and has a unsatisfactory condition assessment.
About Israel River Dam
The primary purpose of Israel River Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Us Army Corp Of Engineers (federal). It impounds the Israel River near Lancaster.
The dam stands 22 feet tall and stretches 240 feet across, creates a reservoir covering 3 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 133 square miles. Completed in 1981, the structure is 45 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. Its condition is rated unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. The most recent inspection on record was 06/08/2022.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Lancaster |
| River/Stream | Israel River |
| Coordinates | 44.48467, -71.56245 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 240 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 133 sq mi |
| Max Discharge | 15,240 cfs |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | US ARMY CORP OF ENGINEERS |
| Owner Type | Federal |
| Hazard Classification | Low |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 06/08/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH01066 |
| Federal ID | NH01066 |
| More Info | State Dam Safety Program |