GRASS LAKE

Michigan — Community Water System — PWSID: MI0002830

System Information

PWSIDMI0002830
System NameGRASS LAKE
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 3, 1981
Last ReportedMar 30, 2026

Location & Contact

StateMichigan
CityGRASS LAKE
ZIP Code49240
AddressPO BOX 737
OrganizationEDGAR, SABRINA
Phone517-522-4550

Population & Service

Population Served1,986
Service Connections485

Drinking Water Violations (15)

This water system has 15 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.080 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Jan 1, 2023 Dec 31, 2023 MR No Yes 0.060 mg/L Resolved Dec 31, 2023
Sep 11, 2022 RPT No No Resolved Sep 26, 2022
Sep 11, 2022 RPT No No Resolved Sep 26, 2022
Sep 11, 2022 RPT No No Resolved Sep 26, 2022
Sep 11, 2022 RPT No No Resolved Sep 26, 2022
Feb 1, 1996 Feb 29, 1996 MR No No 5% of samples Resolved Feb 29, 1996
Feb 1, 1996 Feb 29, 1996 MR No No 5% of samples Resolved Feb 29, 1996
Feb 1, 1996 Feb 29, 1996 MR No No 5% of samples Resolved Feb 29, 1996

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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