Coon Brook Bog Dam
Coon Brook Bog Dam is a concrete dam located in Coos County, New Hampshire, built in 1947. It carries a Low hazard potential classification and has a poor condition assessment.
About Coon Brook Bog Dam
The primary purpose of Coon Brook Bog Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nh Fish And Game Department (state). It impounds the Coon Brook near Pittsburg.
The dam stands 10 feet tall and stretches 330 feet across, creates a reservoir covering 43 acres, has a maximum storage capacity of 230 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1947, the structure is well-established, with more than 75 years of service.
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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. The most recent inspection on record was 06/16/2022.
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Location
| State | New Hampshire |
| County | Coos |
| Nearest City | Pittsburg |
| River/Stream | Coon Brook |
| Coordinates | 45.14160, -71.25000 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 330 ft |
| Year Completed | 1947 (79 years old) |
Storage & Hydraulics
| NID Storage | 230 acre-ft |
| Max Storage | 230 acre-ft |
| Normal Storage | 90 acre-ft |
| Surface Area | 43 acres |
| Drainage Area | 1 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | NH FISH AND GAME DEPARTMENT |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Poor |
| Last Inspection | 06/16/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | NH00568 |
| Federal ID | NH00568 |
| More Info | State Dam Safety Program |