Tewksbury, MA
Contamination score
Higher = more contaminated vs. other cities.
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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.
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Public water systems
Tewksbury Water Department
- PWSID:
- MA3295000
- Source:
- Surface water
- Serves:
- 31,342 people
Tewksbury Hospital
- PWSID:
- MA3295001
- Source:
- Ground water
- Serves:
- 2,500 people
EPA & DEP violations
Tewksbury Water Department
PWSID MA32950005 violationsLead and Copper Rule — MR violation
medium severityAddressedLead and Copper Rule MR violation (Addressed).
EPA SDWIS · MR · Began Jun 1, 2023 · 3 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Oct 1, 2021 · 4 years ago · Source ↗
TTHM — MCL violation
high severityHealth-basedResolvedTTHM MCL violation (Resolved).
EPA SDWIS · MCL · Began Jul 1, 2021 · 5 years ago · Source ↗
Radium-226 — MR violation
medium severityArchivedRadium-226 MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2014 · 12 years ago · Source ↗
Gross Alpha, Excl. Radon and U — MR violation
medium severityArchivedGross Alpha, Excl. Radon and U MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2014 · 12 years ago · Source ↗
City-wide
15 violationsArsenic — MCL violation
high severityHealth-basedArchivedArsenic MCL violation (Archived).
EPA SDWIS · MCL · Began Jan 1, 2026 · 7 months ago · Source ↗
Arsenic — MCL violation
high severityHealth-basedArchivedArsenic MCL violation (Archived).
EPA SDWIS · MCL · Began Oct 1, 2025 · 10 months ago · Source ↗
Nitrate — MR violation
medium severityArchivedNitrate MR violation (Archived).
EPA SDWIS · MR · Began Jul 1, 2023 · 3 years ago · Source ↗
Nitrite — MR violation
medium severityArchivedNitrite MR violation (Archived).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Consumer Confidence Rule — Other violation
medium severityResolvedConsumer Confidence Rule Other violation (Resolved).
EPA SDWIS · Other · Began Jul 1, 2017 · 9 years ago · Source ↗
Lead and Copper Rule — MR violation
medium severityResolvedLead and Copper Rule MR violation (Resolved).
EPA SDWIS · MR · Began Jun 1, 2016 · 10 years ago · Source ↗
Carbon tetrachloride — MR violation
medium severityResolvedCarbon tetrachloride MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
1,1-Dichloroethylene — MR violation
medium severityResolved1,1-Dichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
1,2-Dichloroethane — MR violation
medium severityResolved1,2-Dichloroethane MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Trichloroethylene — MR violation
medium severityResolvedTrichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
1,1,1-Trichloroethane — MR violation
medium severityResolved1,1,1-Trichloroethane MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Vinyl chloride — MR violation
medium severityResolvedVinyl chloride MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
CHLOROBENZENE — MR violation
medium severityResolvedCHLOROBENZENE MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
o-Dichlorobenzene — MR violation
medium severityResolvedo-Dichlorobenzene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
trans-1,2-Dichloroethylene — MR violation
medium severityResolvedtrans-1,2-Dichloroethylene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2013 · 12 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.