Rich Mill is a historic earthen dam located in Cumberland, Maine, with a primary purpose of flood risk reduction.
Wind
Humidity
Built in 1770, this structure stands at a height of 12 feet and spans a length of 218 feet, providing a storage capacity of 250 acre-feet. The dam is situated along the Rich Mill Pond Stream and is regulated by the Maine Emergency Management Agency (MEMA), with state permitting, inspection, and enforcement in place to ensure its safety and compliance.
Despite its age, Rich Mill has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. With a spillway width of 6 feet and a hydraulic height of 10 feet, the dam serves as a vital component for flood risk reduction in the area. While there are no associated structures or inspection history available, the dam remains a key feature in the local landscape, contributing to the protection of surrounding communities from potential inundation events. As an integral part of Maine's water resource infrastructure, Rich Mill showcases the importance of historical dam structures in managing water resources and climate resilience.
Year Completed |
1770 |
Dam Length |
218 |
Dam Height |
12 |
River Or Stream |
Rich Mill Pond Stream |
Primary Dam Type |
Earth |
Surface Area |
77 |
Hydraulic Height |
10 |
Nid Storage |
250 |
Structural Height |
12 |
Hazard Potential |
Low |
Nid Height |
12 |
Saco River At Cornish
|
1020cfs |
Presumpscot River At Westbrook
|
-999999cfs |
Mousam River Near West Kennebunk
|
44cfs |
Androscoggin River Near Auburn
|
2080cfs |
Saco River Near Conway
|
315cfs |
Little Androscoggin River Near South Paris
|
57cfs |
| Location | Reservations | Toilets |
|---|---|---|
Goodwins Lodge
|
||
Goodwins Lodge CABIN 6
|
||
Migis Lodge
|