Water distribution companies

Learn what types of water companies the DPU regulates and find information on all of the companies that are subject to our jurisdiction

DPU jurisdiction over water companies

A water corporation or company is: "every person, partnership, association or corporation, other than a municipal corporation, and other than a landlord supplying his tenant, engaged in the distribution and sale of water in the Commonwealth through its pipes or mains." G.L. c. 165, § 1.

The DPU regulates privately-owned water companies. 

The DPU does not regulate:

(1) City and town-owned water systems, because they are municipal corporations. G.L. c. 165, § 1. The city or town-owned water system addresses any disputes from a customer.

(2) Self-governing water and fire districts created by special acts of the General Court, unless specified in the district's enabling act. For example, some special acts authorize DPU to resolve a price disagreement between two municipalities. These districts do file their rates with DPU for informational purposes. G.L. c. 165, § 2A.

(3) Homeowner associations providing water service, unless they supply water to non-members. In those cases, DPU limits its oversight to only those non-member customers.

List of DPU-regulated water companies subject to the jurisdiction of the DPU under chapter 165

Name Address Phone Number Service Area Customers Note
Agawam Springs Water Company 158 Tihonet Road, Wareham, MA 02571 (508) 295-1000 Plymouth (part) 3 Company is new system planned to serve 1,100 customers at RedBrook community; website is for Redbrook.
Aquaria Water Company 170 Aquaria Drive, P.O. Box 1000, North Dighton, MA 02764 (508) 880-0099 Brockton (wholesale) 1 Company provides wholesale water service to City of Brockton via desalinization plant.
Aquarion Water Company of Massachusetts 900 Main Street, Hingham, MA 02043 (781) 740-6693 Hingham, Hull, Cohasset (part), Millbury, Oxford 19,289 Company is owned by Aquarion Water, of Bridgeport, Connecticut.
Ashmere Water Supply P.O. Box 843, Hinsdale, MA 01235-0843 (413) 655-8308 Hinsdale (part) 27  
Butterworth Water Company 300 Salisbury Street, Worcester, MA 01609 (508) 756-7311 Adams (part) 0 Company is primarily engaged in sale of water for bottled water operations.
Colonial Water Company 27 Northwest Drive, Plainville, CT 06062 (860) 747-1665 Dover (part) 585 Company is wholly-owned subsidiary of New England Service Company, of Plainville, Connecticut.
East Northfield Water Company One Lamplighter Way, Northfield, MA 01360 (413) 498-3311 Northfield (part) 339 Company is owned by Northfield Mount Hermon School.
Granville Center Water Company 29 Locust Drive, Bedford, NY 10506   Granville (part) 34  
Housatonic Water Works 80 Maple Avenue, Great Barrington, MA 01230 (413) 528-1780 Great Barrington (part), Stockbridge (part), West Stockbridge (part) 858  
Hutchinson Water LLC P.O. Box 320705, West Roxbury, MA 02132   Cheshire (part) 123 Company serves Hutchinson Acres development.
Kings Grant Water Company 839 Newport Avenue, S. Attleboro, MA 02703 (508) 761-8531 North Attleboro (part) 149 Company serves Kings Grant Estates development.
Milford Water Company 66 Dilla Street, Milford, MA 01757 (508) 473-5110 Milford 8,919  
Monterey Water Company P.O. Box 65, Monterey, MA 01245   Monterey 72 Company operates as a cooperative - the only non-member customers are the Town of Monterey and school district, so Department continues to exercise jurisdiction over the Company with respect to these customers.
Pinehills Water Company 33 Summerhouse Drive, Plymouth, MA 02360 (508) 209-9000 Plymouth (part) 1,844 Company serves Pinehills community; website is for Pinehills.
Plymouth Water Company 27 Northwest Drive, Plainville, CT 06062 (860) 747-1665 Plymouth (part) 821 Company serves Ponds of Plymouth development, and is wholly-owned subsidiary of New England Service Company, of Plainville, Connecticut.
Sheffield Water Company P.O. Box 295, Sheffield, MA 01257 (413) 229-2777 Sheffield 482 New England Service Company handles billing and maintenance.
Westport Harbor Aqueduct Company P. O. Box 3997, Westport, MA 02790   Westport (part) 54 Company is primarily a seasonal system; serves 9 year-round customers.
Whitinsville Water Company 44 Lake Street, Whitinsville, MA 01588 (508) 234-7358 Northbridge (part), Sutton (part), Northbridge Water Department (c. 2,200 connections) 2,253  

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