Mousam River


The Mousam River is a river in York County, Maine, United States. Its primary source is Mousam Lake, located between the towns of Shapleigh and Acton, and it flows into the Atlantic Ocean just west of Kennebunk Beach. It flows through the towns of Shapleigh, Sanford and Kennebunk.

Major tributaries

  • Littlefield River
  • Middle Branch Mousam River
  • Square Pond, outlet

    Dams

The Mousam River is one of the most heavily dammed rivers currently in the state of Maine, with a total of 13. Most of the dams on the list below are used for hydroelectric production, while others are for impoundment and recreation, with former industrial uses. The list below is from river source to the mouth at the Atlantic Ocean:
  • Emery Mills Dam or Mousam Dam, Shapleigh
  • Mill Street Dam or Alpaca Dam, Springvale
  • Bridge Street Dam, Springvale
  • Dam, Springvale
  • River Street Dam or Stump Pond Dam, Sanford
  • Number 1 Pond Dam, Sanford
  • Dam, Sanford
  • Dam, Sanford
  • New dam or Estes Lake Dam, Sanford
  • Old Falls dam, Kennebunk
  • Dane Perkins Dam, Kennebunk
  • Twine Mill Dam, Kennebunk
  • Kesslan Dam, Kennebunk