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Consumer Safety

Product Safety9,700+ CPSC product recalls Food Safety28,600+ FDA food recalls Pet Safety1.3M FDA animal adverse events Drug Safety17,500+ FDA drug recalls Device Safety38,400+ FDA device recalls Workplace Safety102,900+ OSHA injury reports Brand HistoryRecall lookup by company

Infrastructure

Bridge Safety624,000 bridge inspections Aviation Safety30,000+ NTSB aviation events Dam Safety92,600 dam safety records Water Safety433,000+ public water systems Railroad Safety438,000+ rail crossings Pipeline Safety8,800+ pipeline incidents State DashboardsSafety grades for all 50 states ZIP ReportAny 5-digit ZIP across 9 datasets

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CHELSEA WATER DEPT. (MWRA)

Massachusetts — Community Water System — PWSID: MA3057000

System Information

PWSIDMA3057000
System NameCHELSEA WATER DEPT. (MWRA)
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedFeb 26, 1979
Last ReportedMar 17, 2026

Location & Contact

StateMassachusetts
CityCHELSEA
ZIP Code02150
Address500 BROADWAY SUITE 310
OrganizationCHELSEA WATER DEPT.(MWRA)
Phone6174664200

Population & Service

Population Served38,319
Service Connections5,100

Drinking Water Violations (34)

This water system has 34 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2016 — MR No No — TT — Resolved Jun 29, 2016 —
Jul 1, 2016 — MR No No — TT — Resolved Jun 29, 2016 —
Jan 1, 2010 — TT Yes No — TT — Resolved Apr 12, 2011 —
Jan 1, 2010 — TT Yes No — TT — Resolved Apr 12, 2011 —
Jan 1, 2007 — TT Yes No — TT — Resolved Jun 4, 2008 —
Jan 1, 2007 — TT Yes No — TT — Resolved Jun 4, 2008 —
Jan 1, 1999 — TT Yes No — TT — Resolved Feb 28, 2000 —
Jan 1, 1999 — TT Yes No — TT — Resolved Feb 28, 2000 —
Jan 1, 1997 — TT Yes No — TT — Resolved Mar 18, 1998 —
Jan 1, 1997 — TT Yes No — TT — Resolved Mar 18, 1998 —
Jul 1, 1996 Jul 31, 1996 MCL Yes No — 5% of samples — Archived Jul 31, 1996 —
Nov 1, 1995 Nov 30, 1995 MCL Yes No — 5% of samples — Archived Nov 30, 1995 —
Oct 1, 1995 Oct 31, 1995 MCL Yes No — 5% of samples — Archived Oct 31, 1995 —
Oct 1, 1995 Oct 31, 1995 MCL Yes No — 5% of samples — Archived Oct 31, 1995 —
Sep 1, 1995 Sep 30, 1995 MCL Yes No — 5% of samples — Archived Sep 30, 1995 —
Sep 1, 1995 Sep 30, 1995 MCL Yes No — 5% of samples — Archived Sep 30, 1995 —
Aug 1, 1995 Aug 31, 1995 MCL Yes No — 5% of samples — Archived Aug 31, 1995 —
Aug 1, 1995 Aug 31, 1995 MCL Yes No — 5% of samples — Archived Aug 31, 1995 —
Jul 1, 1995 Jul 31, 1995 MCL Yes No — 5% of samples — Archived Jul 31, 1995 —
Jul 1, 1995 Jul 31, 1995 MCL Yes No — 5% of samples — Archived Jul 31, 1995 —
Jun 1, 1995 Jun 30, 1995 MCL Yes No — 5% of samples — Archived Jun 30, 1995 —
Jun 1, 1995 Jun 30, 1995 MCL Yes No — 5% of samples — Archived Jun 30, 1995 —
May 1, 1995 May 31, 1995 MCL Yes No — 5% of samples — Archived May 31, 1995 —
May 1, 1995 May 31, 1995 MCL Yes No — 5% of samples — Archived May 31, 1995 —
Jan 1, 1994 — TT Yes No — TT — Resolved Mar 21, 1995 —
Jan 1, 1994 — TT Yes No — TT — Resolved Mar 21, 1995 —
Jan 1, 1993 — TT Yes No — TT — Resolved Mar 21, 1995 —
Jan 1, 1993 — TT Yes No — TT — Resolved Mar 21, 1995 —
Jan 1, 1992 May 5, 2000 TT Yes No — — — Archived May 5, 2000 —
Jan 1, 1992 — TT Yes No — TT — Resolved Mar 21, 1995 —
Jan 1, 1992 — TT Yes No — TT — Resolved Mar 21, 1995 —
Apr 1, 1991 Apr 30, 1991 MCL Yes No — 5% of samples — Archived Apr 30, 1991 —
— — — No No — — — — — —
— — — No No — — — — — —

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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