WILMETTE

Illinois — Community Water System — PWSID: IL0313300

System Information

PWSIDIL0313300
System NameWILMETTE
System TypeCommunity Water System
Water SourceSurface Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityWILMETTE
ZIP Code60091
Address1200 Wilmette Ave.
OrganizationQUAFISHEH, NABIL
Phone847-853-7531

Population & Service

Population Served27,087
Service Connections9,030

Drinking Water Violations (28)

This water system has 28 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
Oct 1, 2025 Dec 31, 2025 MR No Yes 0.080 mg/L Archived Dec 31, 2025
Oct 1, 2025 Dec 31, 2025 MR No Yes 0.060 mg/L Archived Dec 31, 2025
Jul 1, 2025 Other No No Unaddressed
Jun 25, 1979 Jun 24, 1980 MR No Yes 2 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 0.05 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 0.1 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 0.005 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 0.002 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 10 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 4.0 mg/L Archived Jun 24, 1980
Jun 25, 1979 Jun 24, 1980 MR No Yes 0.010 mg/L Archived Jun 24, 1980
Jun 30, 1977 Jun 29, 1981 MR No No 15 pCi/L Archived Jun 29, 1981
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No
No No

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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