ROUND LAKE

Illinois — Community Water System — PWSID: IL0971500

System Information

PWSIDIL0971500
System NameROUND LAKE
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityROUND LAKE
ZIP Code60073
Address442 N Cedar Lake Rd
OrganizationSCHROFF, BRANDY
Phone847-546-5400

Population & Service

Population Served18,430
Service Connections5,014

Drinking Water Violations (33)

This water system has 33 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
Dec 3, 2023 Other No No Resolved Dec 14, 2023
Dec 3, 2023 Other No No Resolved Dec 14, 2023
Oct 1, 2023 MR No No TT Resolved Feb 28, 2024
Oct 1, 2023 MR No No TT Resolved Feb 28, 2024
Oct 1, 2023 MR No No TT Resolved Feb 28, 2024
Oct 1, 2023 MR No No TT Resolved Feb 28, 2024
Dec 1, 2006 Dec 31, 2006 MR No No 5% of samples Resolved Dec 31, 2006
Dec 1, 2006 Dec 31, 2006 MR No No 5% of samples Resolved Dec 31, 2006
Oct 1, 2006 Dec 31, 2006 MR No Yes 4.0 mg/L Resolved Dec 31, 2006
Oct 1, 2006 Dec 31, 2006 MR No Yes 4.0 mg/L Resolved Dec 31, 2006
Mar 27, 1992 Mar 26, 1996 MCL Yes No 7.7 5 pCi/L Resolved Jun 30, 1992
Mar 27, 1992 Mar 26, 1996 MCL Yes No 7.7 5 pCi/L Resolved Jun 30, 1992
Mar 27, 1992 Mar 26, 1996 MCL Yes No 7.7 5 pCi/L Resolved Jun 30, 1992
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 1, 1985 Aug 31, 1989 MCL Yes No 19.9 15 pCi/L Resolved Oct 15, 1987
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
Sep 24, 1981 Sep 23, 1985 MCL Yes No 19.9 15 pCi/L Archived Sep 23, 1985
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

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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