H922

Relative to greywater recycling

Introduced·2/27/25
Introduced Text

Establishes plumbing code regulations for greywater recycling in Massachusetts, including guidelines for residential and multifamily building.

This bill establishes regulations for greywater recycling in Massachusetts, providing guidelines for building owners to reuse greywater for toilet flushing and subsurface irrigation. It mandates greywater recycling in new multifamily construction projects and allows for the reuse of kitchen sink water with local building official approval. The bill defines greywater as wastewater from showers, bathtubs, hand washing lavatories, sinks, and clothes-washing machines, excluding hazardous or toxic ingredients and materials soiled with human excreta.

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  • Overview
  • Core Provisions
  • Implementation
  • Impact
  • Legal Framework
  • Critical Issues

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Where it stands

Current
In committee
Next
Committee decision

Sponsors

D
1
0
Democratic CaucusRepublican Caucus

Calendar

Jun 17, 2025

1:00 PM

Joint Committee on Environment and Natural Resources Hearing

History

Mar 30

House

Accompanied a study order, see H5307

Dec 24, 2025

House

Reporting date extended to Wednesday, March 18, 2026

Sep 15, 2025

House

Reporting date extended to Wednesday, December 31, 2025