Grassy Pond
Grassy Pond is a concrete dam located in Knox County, Maine, built in 1962. It carries a Low hazard potential classification.
About Grassy Pond
The primary purpose of Grassy Pond 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 The Maine Water Company (private). It impounds the Grassy Pond Outlet.
The dam stands 11 feet tall and stretches 48 feet across, creates a reservoir covering 136 acres, and has a maximum storage capacity of 272 acre-feet. Completed in 1962, the structure is well into its service life at over 50 years 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 05/04/2018.
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Location
| State | Maine |
| County | Knox |
| River/Stream | Grassy Pond Outlet |
| Coordinates | 44.20368, -69.18568 |
Physical Characteristics
| Dam Type | Concrete |
| NID Height | 11 ft |
| Dam Height | 11 ft |
| Dam Length | 48 ft |
| Year Completed | 1962 (64 years old) |
Storage & Hydraulics
| NID Storage | 272 acre-ft |
| Max Storage | 272 acre-ft |
| Normal Storage | 136 acre-ft |
| Surface Area | 136 acres |
Ownership & Safety
| Purpose | Water Supply |
| Owner | The Maine Water Company |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/04/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ME96047 |
| Federal ID | ME96047 |
| More Info | State Dam Safety Program |