Massachusetts law about submetering water for tenants

Laws, regulations, and web sources on water submetering law. The submetering law allows landlords to separately bill tenants for water in certain circumstances.

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Massachusetts law

MGL c. 186, § 22 Definitions; submeter installation; testing; water use charges; public housing development exemption

• Public housing developments: "No charge for water usage may be imposed on the tenant of any dwelling unit in a [Mass.] public housing development…" (MGL c. 186, 22(s))

Massachusetts regulations

105 CMR 410.000 State Sanitary Code

• 105 CMR 410.010 Definitions (under "Water submetering")
• 105 CMR 410.130 (C-E) Potable water/sanitary drainage. "The owner shall allow occupants to have access to any water submeters that affect their dwelling unit."
• 105 CMR 410.235 (B)(4) Owner’s installation, maintenance and repair responsibilities: Sub-metering devices designed to measure the usage of water

Submetering of water form

Submetering of water and sewer certification form, Mass. Department of Public Health (2023)
Available on the Department's Housing page, which provides a list of forms available.

• Refer also to: Guidance for Submetering of Water and Sewer (2023) listed on the page under "Guidelines and more".

Web sources

Water rights: Do landlords or tenants pay for water in Massachusetts?, Mass. Legal Help, 2024.
Landlords can bill tenants directly for water only if all of the following are true:

• Your tenancy started on or after March 16, 2005
• You have a written rental agreement
• Submeters are installed (they must be installed by a licensed plumber)
• The faucets, showers, and toilets are low-flow
• Your landlord receives required approval from the local Board of Health or Inspectional Services Department

Water submetering: Costs, benefits and legal compliance, MassLandlords.net. 
Resource for landlords on how to legally implement submetering of water in residential tenancies.

Print sources

Landlord and tenant law: With forms, 3^rd ed., (Mass. Practice v.33), West Group, 2000 with supplement.
Section 11:13: Covenant to supply utilities.

Lease drafting in Massachusetts, 6^th ed., MCLE, 2025.
Section 13.4.7: Charging the Tenant for Water Usage.

Residential and commercial landlord-tenant practice in Massachusetts, 5^th ed., MCLE, 2024.
Section 1.2.9: Charging the Tenant for Water Usage.

Summary of basic law, 5^th ed. (Mass Practice v.14C), Thomson Reuters, 2014 with supplement.
Section 12:87: Other charges—Utilities.

Last updated:	March 19, 2026