Grissom Middle School

PWSID: IN2710811

System Details

Population Served687
Service Connections1
Water SourceGroundwater
System TypeNon-Transient Non-Community
OwnerLocal Government
StatusActive
CityMishawaka
Zip Code46545
NoteSchool or Daycare

Areas Served

  • Mishawaka, St. Joseph County

Lead & Copper Testing

ContaminantLevelEPA Action LevelStatus
Lead (90th percentile)0.0203 mg/L0.015 mg/LEXCEEDS Action Level
Lead (90th percentile)0.0104 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0097 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0048 mg/L0.015 mg/LBelow Action Level
Lead (90th percentile)0.0042 mg/L0.015 mg/LBelow Action Level

Violation History (4 total)

ContaminantViolationDateHealth-BasedStatus
2024-01-01Returned to Compliance
2024-01-01YesReturned to Compliance
2024-01-01YesReturned to Compliance
1994-07-01Returned to Compliance