ROCK CITY

Illinois — Community Water System — PWSID: IL1770500

System Information

PWSIDIL1770500
System NameROCK CITY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 13, 1981
Last ReportedFeb 26, 2026

Location & Contact

StateIllinois
CityROCK CITY
ZIP Code61070
Address105 E Jefferson Street
OrganizationALBER, NICOLE
Phone815-865-1029

Population & Service

Population Served313
Service Connections128

Drinking Water Violations (20)

This water system has 20 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
Jul 1, 2025 MR No No TT Unaddressed
Jul 1, 2025 MR No No TT Unaddressed
Jul 1, 2023 Sep 30, 2023 MR No Yes 4.0 mg/L Resolved Sep 25, 2023
Jul 1, 2023 Sep 30, 2023 MR No Yes 4.0 mg/L Resolved Sep 25, 2023
Jul 1, 2023 Sep 30, 2023 MR No Yes 4.0 mg/L Resolved Sep 25, 2023
Jul 1, 2023 Sep 30, 2023 MR No Yes 4.0 mg/L Resolved Sep 25, 2023
Jul 1, 2015 Other No No Resolved Jul 29, 2015
Jul 1, 2015 Other No No Resolved Jul 29, 2015
Jan 2, 2011 MR No No TT Resolved Feb 8, 2011
Jan 2, 2011 MR No No TT Resolved Feb 8, 2011
Jul 1, 2003 Jul 31, 2003 MR No No 5% of samples Archived Jul 31, 2003
Jul 1, 2003 Jul 31, 2003 MR No No 5% of samples Archived Jul 31, 2003
Jul 1, 2003 Jul 31, 2003 MR No No 5% of samples Archived Jul 31, 2003
Jul 1, 2000 Jul 31, 2000 MCL Yes No 5% of samples Archived Jul 31, 2000
Jul 1, 2000 Jul 31, 2000 MCL Yes No 5% of samples Archived Jul 31, 2000
Jun 30, 1977 Jun 29, 1981 MR No No 15 pCi/L Archived Jun 29, 1981
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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