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CONCORD WATER DEPT vs MWRA

Water quality comparison — risk levels, violations, PFAS records, and contaminants

Quick Answer

Both utilities share the same risk level (safe). CONCORD WATER DEPT has 0 open health-based violations and 319 PFAS records. MWRA has 0 open health-based violations and 0 PFAS records.

CONCORD WATER DEPT

Massachusetts · MA3067000

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

319

PFAS records

MWRA

Massachusetts · MA6000000

Overall Risk Level

No Concerns Detected

No Concern
Low
Moderate
High
Critical

Water meets all safety standards with no detected exceedances.

0

Open violations

0

PFAS records

Head-to-Head Comparison

MetricCONCORD WATER DEPTMWRA
StateMassachusettsMassachusetts
Risk LevelNo Concerns DetectedNo Concerns Detected
Population Served18,7882,660,000
Open Health Violations00
Total Violations40
PFAS Records319None detected
OwnershipLocalState
Service TypeSurface waterSurface water
City ServedConcordBoston

Contaminants in Violation Records

CONCORD WATER DEPT

  • Lead

MWRA

No named contaminants in violation records.

Key Differences

CONCORD WATER DEPT has 319 PFAS records vs. 0 for MWRA.

What Should I Do?

If either utility shows open violations or elevated PFAS records, consider:

  • Installing a reverse osmosis filter — removes PFAS, lead, arsenic, nitrates, and most heavy metals.
  • Requesting your utility’s annual Consumer Confidence Report (CCR) for the most current test results.
  • Ordering a certified lab water test if you want contaminant-specific data for your address.

Frequently Asked Questions

Which is safer — CONCORD WATER DEPT or MWRA?

Both utilities share the same risk level (safe). Both utilities have similar violation profiles — review the full data above to decide based on specific contaminants that concern you.

What does "open health-based violation" mean?

An open health-based violation means a water system has exceeded an EPA Maximum Contaminant Level (MCL) or failed to meet a treatment technique — and the violation has not yet been resolved. These are the most serious type of water quality violations.

How current is this data?

Violation data comes from EPA's Safe Drinking Water Information System (SDWIS), which is updated as utilities report. PFAS data comes from EPA's UCMR 5 monitoring (2023–2025). Risk levels are recalculated daily.

What does PWSID mean?

PWSID stands for Public Water System ID — a unique federal identifier assigned to each community water system. You can use it to look up a system in EPA's ECHO database.

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