Chase Pond Dam
Chase Pond Dam is an earth dam located in Merrimack County, New Hampshire, built in 1915. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Chase Pond Dam
The primary purpose of Chase Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Chase Pond Condo Owners Assoc (private). It impounds the Cascade Brook near Wilmot.
The dam stands 17 feet tall and stretches 100 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 290 acre-feet, and collects water from a drainage area of 13 square miles. Completed in 1915, the structure is over a century 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. An emergency action plan is in place for this dam. The most recent inspection on record was 07/05/2022.
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Location
| State | New Hampshire |
| County | Merrimack |
| Nearest City | Wilmot |
| River/Stream | Cascade Brook |
| Coordinates | 43.41677, -71.91033 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 100 ft |
| Year Completed | 1915 (111 years old) |
Storage & Hydraulics
| NID Storage | 290 acre-ft |
| Max Storage | 290 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 32 acres |
| Drainage Area | 13 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | CHASE POND CONDO OWNERS ASSOC |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/05/2022 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NH00255 |
| Federal ID | NH00255 |
| More Info | State Dam Safety Program |