Ulmer Brook
Ulmer Brook is an earth dam located in Hancock County, Maine, built in 1981. It carries a Significant hazard potential classification and has a unsatisfactory condition assessment.
About Ulmer Brook
The primary purpose of Ulmer Brook is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Evelyn Joost (private). It impounds the Ulmer Brook.
The dam stands 10 feet tall and stretches 400 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1981, the structure is 45 years 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 unsatisfactory, indicating serious safety deficiencies exist that require immediate attention or remedial action. An emergency action plan is in place for this dam. The most recent inspection on record was 08/15/2024.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
Location
| State | Maine |
| County | Hancock |
| River/Stream | Ulmer Brook |
| Coordinates | 44.54337, -68.78120 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 400 ft |
| Year Completed | 1981 (45 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 23 acre-ft |
| Surface Area | 15 acres |
| Drainage Area | 0 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | Evelyn Joost |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Unsatisfactory |
| Last Inspection | 08/15/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | ME96076 |
| Federal ID | ME96076 |
| More Info | State Dam Safety Program |