Holliston, MA
Contamination score
Higher = more contaminated vs. other cities.
Reported illness & cancer claims
No claims reported yet. Be the first to add one.
Claims are aggregated from public records and community reports and may be unverified. If you believe your illness is linked to local water, request a consultation.
Self-reported issues
No issues reported yet. Be the first to report one.

Public water systems
Holliston Water Department
- PWSID:
- MA2136000
- Source:
- Ground water
- Serves:
- 15,713 people
EPA & DEP violations
Lead and Copper Rule — MR violation
medium severityAddressedLead and Copper Rule MR violation (Addressed).
EPA SDWIS · MR · Began Oct 1, 2024 · 1 year ago · Source ↗
Lead and Copper Rule — MR violation
medium severityAddressedLead and Copper Rule MR violation (Addressed).
EPA SDWIS · MR · Began Apr 1, 2023 · 3 years ago · Source ↗
Total Polychlorinated Biphenyls (PCB) — MR violation
medium severityResolvedTotal Polychlorinated Biphenyls (PCB) MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
1,2-DIBROMO-3-CHLOROPROPANE — MR violation
medium severityResolved1,2-DIBROMO-3-CHLOROPROPANE MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Benzo(a)pyrene — MR violation
medium severityResolvedBenzo(a)pyrene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Dalapon — MR violation
medium severityResolvedDalapon MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Di(2-ethylhexyl) adipate — MR violation
medium severityResolvedDi(2-ethylhexyl) adipate MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Endothall — MR violation
medium severityResolvedEndothall MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Hexachlorocyclopentadiene — MR violation
medium severityResolvedHexachlorocyclopentadiene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
OXAMYL — MR violation
medium severityResolvedOXAMYL MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Picloram — MR violation
medium severityResolvedPicloram MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
LASSO — MR violation
medium severityResolvedLASSO MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
2,4-D — MR violation
medium severityResolved2,4-D MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Pentachlorophenol — MR violation
medium severityResolvedPentachlorophenol MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Toxaphene — MR violation
medium severityResolvedToxaphene MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
BHC-GAMMA — MR violation
medium severityResolvedBHC-GAMMA MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Atrazine — MR violation
medium severityResolvedAtrazine MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Diquat — MR violation
medium severityResolvedDiquat MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
HEXACHLOROBENZENE — MR violation
medium severityResolvedHEXACHLOROBENZENE MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Glyphosate — MR violation
medium severityResolvedGlyphosate MR violation (Resolved).
EPA SDWIS · MR · Began Oct 1, 2022 · 3 years ago · Source ↗
Water-related lawsuits
No lawsuits on record.
In the news & sources
No coverage linked yet.