Ely Township-diorite

PWSID: MI0001820

System Details

Population Served168
Service Connections67
Water SourceGroundwater
System TypeCommunity Water System
OwnerLocal Government
StatusActive
CityIshpeming
Zip Code49849

Areas Served

  • Diorite, Marquette County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Copper (90th percentile)4.5400 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)2.6700 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)1.9100 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)1.8500 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)1.8400 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)1.8000 mg/L1.300 mg/LEXCEEDS Action Level
Copper (90th percentile)1.4600 mg/L1.300 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0013 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0012 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0011 mg/L0.015 mg/LBelow Action Level

1 Active Violations

ContaminantViolationDateHealth-BasedStatus
2025-07-01Open

Violation History (16 total)

ContaminantViolationDateHealth-BasedStatus
2024-11-14Returned to Compliance
2023-07-01Returned to Compliance
2023-07-01Returned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorReturned to Compliance
2023-01-01 MajorAcknowledged
2023-01-01 MajorReturned to Compliance
2021-01-01Returned to Compliance
2021-01-01Returned to Compliance
2020-07-01Returned to Compliance
2017-04-01Returned to Compliance
2017-01-01Returned to Compliance
2016-11-01 MajorReturned to Compliance
2016-07-01Returned to Compliance
2016-01-01Returned to Compliance