Mcmullin Manufacturing Corporation

PWSID: CT0180694

1 active health-based violation
This system currently has unresolved violations for: 5200. These violations mean contaminant levels exceeded EPA limits or required treatment was not performed.

This system has more violations on record than 97% of water systems in Connecticut.

Violation trend: 8.8 per year over the last 5 years, down from 33.0 per year in the previous 5.

System Details

Population Served33
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerPrivate
StatusActive
CityBrookfield
EPA ZIP on File06804

Areas Served

  • Brookfield, Fairfield County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0050 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0047 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0010 mg/L0.015 mg/LBelow Action Level

2 Active Violations

ContaminantViolationDateHealth-BasedStatus
5200TT2024-10-17YesOpen
5200RPT2024-10-17Open

Violation History (209 total)

ContaminantViolationDateHealth-BasedStatus
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
7500Other2024-06-21Returned to Compliance
3014MR2023-01-01 MajorReturned to Compliance
3014MR2023-01-01 MajorReturned to Compliance
3014MR2023-01-01 MajorReturned to Compliance
3014MR2023-01-01 MajorAcknowledged
3014MR2023-01-01 MajorReturned to Compliance
8000MON2023-01-01 MajorReturned to Compliance
8000MON2023-01-01 MajorReturned to Compliance
8000MON2023-01-01 MajorAcknowledged
8000MON2023-01-01 MajorReturned to Compliance
5000MR2022-10-01Returned to Compliance
5000MR2022-10-01Returned to Compliance
5000MR2022-10-01Returned to Compliance
3014MR2022-10-01 MajorReturned to Compliance
3014MR2022-10-01 MajorReturned to Compliance
3014MR2022-10-01 MajorReturned to Compliance
3014MR2022-10-01 MajorAcknowledged
3014MR2022-10-01 MajorReturned to Compliance
8000MON2022-10-01 MajorReturned to Compliance
8000MON2022-10-01 MajorReturned to Compliance
8000MON2022-10-01 MajorAcknowledged
8000MON2022-10-01 MajorReturned to Compliance
8000MON2022-07-01 MajorReturned to Compliance
8000MON2022-07-01 MajorReturned to Compliance
8000MON2022-07-01 MajorAcknowledged
8000MON2022-07-01 MajorReturned to Compliance
3014MR2022-07-01 MajorReturned to Compliance
3014MR2022-07-01 MajorReturned to Compliance
3014MR2022-07-01 MajorReturned to Compliance
3014MR2022-07-01 MajorAcknowledged
3014MR2022-07-01 MajorReturned to Compliance
2005MR2020-01-01 MajorAcknowledged
2005MR2020-01-01 MajorReturned to Compliance
2005MR2020-01-01 MajorAcknowledged
2005MR2020-01-01 MajorAcknowledged
2031MR2020-01-01 MajorAcknowledged
2031MR2020-01-01 MajorReturned to Compliance
2031MR2020-01-01 MajorAcknowledged
2031MR2020-01-01 MajorAcknowledged

Showing 50 of 207 historical violations.

Understanding This Water System's Record

Mcmullin Manufacturing Corporation is a non-transient non-community water system that draws from groundwater sources and serves a population of 33 in Brookfield, Connecticut. This page shows its complete compliance history as reported to the EPA's Safe Drinking Water Information System (SDWIS), the federal database that tracks every public water system in the United States.

What Do These Violations Mean?

Health-based violations mean the system exceeded an EPA maximum contaminant level (MCL) or failed to provide required treatment. These indicate potential health risks from contaminants like lead, arsenic, bacteria, nitrates, or disinfection byproducts. Non-health-based violations involve monitoring, reporting, or procedural requirements — the system missed a testing deadline or failed to notify customers, but contaminant levels were not necessarily unsafe.

What Should You Do?

Your water utility is required to publish an annual Consumer Confidence Report (CCR) that details test results and any violations. If your system has active health-based violations, consider a certified water filter rated for the specific contaminants involved. The contaminant guides on this site explain health risks and filter options for common pollutants. For the most current results, contact your water utility directly — EPA data can lag weeks or months behind real-time testing.