MA4131000 · Massachusetts
WEIR RIVER WATER SYSTEM
Federal fiscal 2026Q3 · EPA violation and follow-up records
- Violation records shown
- 60
- EPA health-based flag
- 0
- Health-based records unresolved in this snapshot
- 0
- Monitoring and reporting records
- 60
Counties listed by EPA · Plymouth County, Massachusetts
Find the utility’s annual water quality report. For current advisories, check the utility or local drinking-water authority.
Violations and what followed
Monitoring or reporting · Archived
Monitoring, RegularViolation 99 · HEXACHLOROBENZENE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 98 · Glyphosate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 97 · Endothall · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 96 · Diquat · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 95 · Dinoseb · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 94 · Di(2-ethylhexyl) phthalate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 93 · Di(2-ethylhexyl) adipate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 92 · Dalapon · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 91 · Benzo(a)pyrene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 90 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 89 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 88 · BHC-GAMMA · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 87 · Methoxychlor · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 86 · 2,4,5-TP · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 85 · Toxaphene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 84 · Pentachlorophenol · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 83 · Heptachlor · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 82 · Heptachlor epoxide · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 81 · ETHYLENE DIBROMIDE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 80 · Endrin · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 79 · 2,4-D · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 78 · Chlordane · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 77 · Carbofuran · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 76 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 75 · LASSO · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 218 · 2,3,7,8-TCDD · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 217 · Simazine · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 216 · Picloram · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 215 · OXAMYL · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 214 · Hexachlorocyclopentadiene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 213 · HEXACHLOROBENZENE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 212 · Glyphosate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 211 · Endothall · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 210 · Diquat · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 209 · Dinoseb · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 208 · Di(2-ethylhexyl) phthalate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 207 · Di(2-ethylhexyl) adipate · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 206 · Dalapon · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 205 · Benzo(a)pyrene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 204 · 1,2-DIBROMO-3-CHLOROPROPANE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 203 · Total Polychlorinated Biphenyls (PCB) · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 202 · BHC-GAMMA · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 201 · Methoxychlor · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 200 · 2,4,5-TP · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 199 · Toxaphene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 198 · Pentachlorophenol · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 197 · Heptachlor · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 196 · Heptachlor epoxide · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 195 · ETHYLENE DIBROMIDE · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 194 · Endrin · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 193 · 2,4-D · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 192 · Chlordane · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 191 · Carbofuran · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 190 · Atrazine · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 189 · LASSO · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported September 24, 2026 · EPA return-to-compliance field June 30, 2021
1 linked action
Enforcement and resolution records linked by EPA Action ID Date Category EPA action type 24 November 17, 2021 Formal State Administrative/Compliance Order without penalty issued Monitoring or reporting · Archived
Monitoring, RegularViolation 104 · 2,3,7,8-TCDD · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 103 · Simazine · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 102 · Picloram · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 101 · OXAMYL · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.Monitoring or reporting · Archived
Monitoring, RegularViolation 100 · Hexachlorocyclopentadiene · Synthetic Organic ChemicalsNoncompliance period start April 1, 2021 · period end June 30, 2021 · first reported December 27, 2024 · EPA return-to-compliance field June 30, 2021
No linked action row appears in the records shown.
EPA data and scope
How to read the records
The enforcement snapshot is federal fiscal 2026Q3. The EPA archive labels its violation file October 13, 2026. EPA says federal reporting can lag by several months. For current advisories, check your utility or local drinking-water authority.
- We matched active community water systems by public water system ID between EPA’s system search and SDWIS inventory. We show violations with a recorded noncompliance, initial reporting or return-to-compliance date from 2021 onward, plus earlier records listed as Addressed or Unaddressed.
- EPA’s health-based flag identifies violations of contaminant or disinfectant limits or treatment requirements. Monitoring and reporting violations describe required tests or reports. Neither category measures household exposure.
- Addressed means EPA records formal enforcement on a violation that remains unresolved in the snapshot. Unaddressed means no formal action is recorded for an unresolved violation. Resolved can mean compliance was restored, the rule ceased to apply, or further action was unnecessary. Archived is a separate status.
- We count a violation once per water system and group its distinct linked actions. Conflicting records are set aside. Places are EPA-listed search locations and can include mailing locations. Use the provider name and system ID to identify your service.
EPA data dictionary and files · EPA reporting and enforcement FAQ · Find an annual water quality report · How to get the report from your utility