Boulter is an earth dam located in York County, Maine, built in 1950. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 31 ft31 ft tall and 1,045 ft long, taller than 72% of U.S. dams with a recorded height. 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 Boulter
The primary purpose of Boulter is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Kittery Water District (public utility). It impounds the Boulter Brook near York.
The dam stands 31 feet tall and stretches 1,045 feet across, creates a reservoir covering 105 acres, has a maximum storage capacity of 2,444 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1950, the structure is well-established, with more than 75 years 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 06/11/2024.
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Location
| State | Maine |
| County | York |
| Nearest City | York |
| River/Stream | Boulter Brook |
| Coordinates | 43.16308, -70.69267 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 1,045 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 2,444 acre-ft |
| Max Storage | 2,444 acre-ft |
| Normal Storage | 1,995 acre-ft |
| Surface Area | 105 acres |
| Drainage Area | 2 sq mi |
Ownership & Safety
| Purpose | Water Supply |
| Owner | Kittery Water District |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/11/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ME00194 |
| Federal ID | ME00194 |
| More Info | State Dam Safety Program |