31 Grist Mill Rd

PWSID: CT0419221

System Details

Population Served30
Service Connections14
Water SourceGroundwater
System TypeCommunity Water System
OwnerPrivate
StatusActive
CityOld Lyme
Zip Code06371

Areas Served

  • East Haddam, Middlesex County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0140 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0065 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0028 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0013 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0000 mg/L0.015 mg/LBelow Action Level

5 Active Violations

ContaminantViolationDateHealth-BasedStatus
2024-10-17YesOpen
2024-10-17Open
2020-02-08YesOpen
2018-05-07Open
2017-05-28YesOpen

Violation History (484 total)

ContaminantViolationDateHealth-BasedStatus
2025-07-01Returned to Compliance
2025-01-01 MajorAcknowledged
2025-01-01 MajorReturned to Compliance
2023-04-01Returned to Compliance
2023-04-01Returned to Compliance
2022-01-01 MajorReturned to Compliance
2022-01-01 MajorReturned to Compliance
2021-10-01 MajorReturned to Compliance
2021-10-01 MajorReturned to Compliance
2021-05-01 MajorReturned to Compliance
2021-05-01 MajorReturned to Compliance
2021-05-01 MajorReturned to Compliance
2021-04-01 MajorReturned to Compliance
2021-04-01 MajorReturned to Compliance
2021-04-01 MajorReturned to Compliance
2021-04-01 MajorReturned to Compliance
2021-04-01 MajorReturned to Compliance
2021-04-01Returned to Compliance
2021-04-01Returned to Compliance
2021-03-01 MajorReturned to Compliance
2021-03-01 MajorReturned to Compliance
2021-03-01 MajorReturned to Compliance
2021-03-01 MajorReturned to Compliance
2021-03-01 MajorReturned to Compliance
2021-02-01 MajorReturned to Compliance
2021-02-01 MajorReturned to Compliance
2021-02-01 MajorReturned to Compliance
2021-02-01 MajorReturned to Compliance
2021-02-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2021-01-01 MajorReturned to Compliance
2020-12-10Returned to Compliance
2020-12-10Returned to Compliance
2020-09-29Returned to Compliance
2020-09-29Returned to Compliance
2020-03-31Returned to Compliance
2020-03-31Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance
2020-03-15Returned to Compliance

Showing 50 of 479 historical violations.