Square Pond is an earth dam located in York County, Maine, built in 1900. It carries a Low hazard potential classification.
Dam profile
NID height · 17 ft17 ft tall and 200 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Square Pond
The primary purpose of Square Pond 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 Sanford (local government). It impounds the Mousam near Shapleih.
The dam stands 17 feet tall and stretches 200 feet across, creates a reservoir covering 905 acres, has a maximum storage capacity of 2,184 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1900, the structure is over a century 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. The most recent inspection on record was 06/29/2011. That was over 15 years ago.
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Location
| State | Maine |
| County | York |
| Nearest City | Shapleih |
| River/Stream | Mousam |
| Coordinates | 43.56406, -70.86964 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 17 ft |
| Dam Height | 17 ft |
| Dam Length | 200 ft |
| Year Completed | 1900 (126 years old) |
Storage & Hydraulics
| NID Storage | 2,184 acre-ft |
| Max Storage | 2,184 acre-ft |
| Normal Storage | 1,820 acre-ft |
| Surface Area | 905 acres |
| Drainage Area | 4 sq mi |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | Sanford |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/29/2011 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME00532 |
| Federal ID | ME00532 |
| More Info | State Dam Safety Program |