
2 public water companies list Mattapoisett as a place they supply. The biggest is Mattapoisett River Valley W.D., with about 29,600 people. Mattapoisett River Valley W.D. has no lead test results in the EPA's public records.
2 public water companies list Mattapoisett as a place they supply. The biggest is Mattapoisett River Valley W.D., with about 29,600 people. 1 has no lead test results on file.