Water Quality Testing

Boston, MA Water Quality Testing Results

3,335,647 residents served·2 utility providers

Drinking water quality data for Boston, MA based on official EPA compliance records. This page covers all 2 EPA-tracked water systems serving Boston.

Violation & compliance historyAvailable
PFAS monitoring recordsAvailable
Active contaminant violationsAvailable

No current health violations on record

No open health-based violations are recorded for Boston's water providers. Water meets current federal standards.

Overall Water Quality — Boston

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

Overall rating reflects the worst risk level among all utilities serving Boston. Individual utility pages have full violation details.

Water utilities serving Boston, MA

The following utilities serve Boston based on EPA service-area data. Your water bill is the most reliable way to confirm your provider.

Active Drinking Water Violations in Boston

The following health-based violations remain open in the EPA SDWIS federal database — the contaminant exceeded its legal limit and has not yet been formally resolved.

UtilityRecords
Boston Water and Sewer Commission (mwra)View records →

Source: EPA SDWIS. Open violations indicate the utility has not yet formally resolved the finding in the federal database. Contact your utility for current status.

Explore Water Quality in Boston

Common Questions About Boston Drinking Water

Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.

Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data

Independent Water Testing

Get your water tested by a certified lab

EPA compliance data shows what utilities report — an independent test confirms what's actually coming out of your tap. Certified labs in Massachusetts can test for PFAS, lead, nitrates, and dozens of other contaminants.

Boston Water FAQs

Related Pages

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA SDWIS — Violation & Compliance DataFederal drinking water databaseView source
EPA ECHO — Facility ReportsView source
Last updated: 2026-06-05
High Confidence
Annual refresh cycle

Boston at a Glance

StateMassachusetts
Utilities2
Population Served3,335,647
Overall Risksafe
Open Health Violations1

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.