S

Sudbury, MA

—no score

Contamination score

Higher = more contaminated vs. other cities.

⚠️1 health-based violation on record.
0
Water sources
20
Violations
0
Pollution sources
0
Self-reported
0
Lawsuits

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Reported illness & cancer claims

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Self-reported issues

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Pollution sources & reported claims near your water

Factories, greenhouses, and contaminated sites mapped around the water supply. Tap any circle for detail.

Critical High Medium Reported claim

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Public water systems

Sudbury Water District

PWSID:
MA3288000
Source:
Ground water
Serves:
18,416 people

EPA & DEP violations

Sudbury Water District

PWSID MA328800020 violations

  • Revised Total Coliform Rule — TT violation

    high severityHealth-basedAddressed

    Revised Total Coliform Rule TT violation (Addressed).

    EPA SDWIS · TT · Began Aug 1, 2025 · 1 year ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityAddressed

    Lead and Copper Rule MR violation (Addressed).

    EPA SDWIS · MR · Began Jun 1, 2022 · 4 years ago · Source ↗

  • ENTEROCOCCI — MR violation

    medium severityUnaddressed

    ENTEROCOCCI MR violation (Unaddressed).

    EPA SDWIS · MR · Began Jun 1, 2019 · 7 years ago · Source ↗

  • Lead and Copper Rule — MR violation

    medium severityAddressed

    Lead and Copper Rule MR violation (Addressed).

    EPA SDWIS · MR · Began Jun 1, 2018 · 8 years ago · Source ↗

  • Coliform (TCR) — MR violation

    medium severityArchived

    Coliform (TCR) MR violation (Archived).

    EPA SDWIS · MR · Began Oct 1, 2014 · 11 years ago · Source ↗

  • Gross Alpha, Excl. Radon and U — MR violation

    medium severityResolved

    Gross Alpha, Excl. Radon and U MR violation (Resolved).

    EPA SDWIS · MR · Began Mar 1, 2014 · 12 years ago · Source ↗

  • Trichloroethylene — MR violation

    medium severityResolved

    Trichloroethylene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Vinyl chloride — MR violation

    medium severityResolved

    Vinyl chloride MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • CHLOROBENZENE — MR violation

    medium severityResolved

    CHLOROBENZENE MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • cis-1,2-Dichloroethylene — MR violation

    medium severityResolved

    cis-1,2-Dichloroethylene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • 1,2-Dichloropropane — MR violation

    medium severityResolved

    1,2-Dichloropropane MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Ethylbenzene — MR violation

    medium severityResolved

    Ethylbenzene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Styrene — MR violation

    medium severityResolved

    Styrene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Tetrachloroethylene — MR violation

    medium severityResolved

    Tetrachloroethylene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Toluene — MR violation

    medium severityResolved

    Toluene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • p-Dichlorobenzene — MR violation

    medium severityResolved

    p-Dichlorobenzene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Xylenes, Total — MR violation

    medium severityResolved

    Xylenes, Total MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • Carbon tetrachloride — MR violation

    medium severityResolved

    Carbon tetrachloride MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • 1,1-Dichloroethylene — MR violation

    medium severityResolved

    1,1-Dichloroethylene MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

  • 1,2-Dichloroethane — MR violation

    medium severityResolved

    1,2-Dichloroethane MR violation (Resolved).

    EPA SDWIS · MR · Began Jun 1, 2010 · 16 years ago · Source ↗

Water-related lawsuits

No lawsuits on record.

In the news & sources

No coverage linked yet.