Mill Pond Dam
Mill Pond Dam is an earth dam located in Barnstable County, Massachusetts. It carries a Significant hazard potential classification and has a fair condition assessment.
About Mill Pond Dam
The primary purpose of Mill Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Town Of Bourne (local government). It impounds the Herring River near Bourne.
The dam stands 13 feet tall and stretches 290 feet across, creates a reservoir covering 2 acres, has a maximum storage capacity of 23 acre-feet, and collects water from a drainage area of 6 square miles.
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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 12/07/2021.
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Location
| State | Massachusetts |
| County | Barnstable |
| Nearest City | Bourne |
| River/Stream | Herring River |
| Coordinates | 41.77616, -70.56254 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 13 ft |
| Dam Length | 290 ft |
Storage & Hydraulics
| NID Storage | 23 acre-ft |
| Max Storage | 23 acre-ft |
| Normal Storage | 15 acre-ft |
| Surface Area | 2 acres |
| Drainage Area | 6 sq mi |
| Max Discharge | 221 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Town of Bourne |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Fair |
| Last Inspection | 12/07/2021 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | MA02395 |
| Federal ID | MA02395 |
| More Info | State Dam Safety Program |