Highland Pond Dam
Highland Pond Dam is a masonry dam located in Middlesex County, Connecticut, built in 1875. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Highland Pond Dam
The primary purpose of Highland Pond Dam is irrigation. The dam stores and diverts water for agricultural irrigation, supporting farming operations in the surrounding area. The dam is owned by Middlesex Land Trust (private). It impounds the Sawmill Brook near Middletown.
The dam stands 18 feet tall and stretches 120 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1875, the structure is one of the older dams in the region, with over a century and a half of service.
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 12/08/2014. That was over 11 years ago.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Connecticut |
| County | Middlesex |
| Nearest City | Middletown |
| River/Stream | Sawmill Brook |
| Coordinates | 41.56992, -72.73395 |
Physical Characteristics
| Dam Type | Masonry |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 120 ft |
| Year Completed | 1875 (151 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 47 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 170 cfs |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Middlesex Land Trust |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 12/08/2014 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | CT00147 |
| Federal ID | CT00147 |
| More Info | State Dam Safety Program |