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RIDGEWAY WATERWORKS

Wisconsin — Community Water System — PWSID: WI1250087

System Information

PWSIDWI1250087
System NameRIDGEWAY WATERWORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityRIDGEWAY
ZIP Code53582
Address208 JARVIS ST
OrganizationPHELAN, LORI L - CLERK
Phone—

Population & Service

Population Served690
Service Connections255

Drinking Water Violations (194)

This water system has 194 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
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2025 Revised Total Coliform Rule
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2025 Revised Total Coliform Rule
Aug 1, 2025 Aug 31, 2025 Revised Total Coliform Rule MON No Yes — — — Resolved Aug 31, 2025 Revised Total Coliform Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.66 PCI/L 5 pCi/L 5.5 Archived Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.66 PCI/L 5 pCi/L 5.5 Archived Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.66 PCI/L 5 pCi/L 5.5 Archived Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.66 PCI/L 5 pCi/L 5.5 Archived Sep 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L 5.5 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L 5.5 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L 5.5 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Apr 1, 2024 Jun 30, 2024 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L 5.5 Archived Jun 30, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2015 Dec 31, 2015 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2015 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Jan 1, 2009 Mar 31, 2009 Radium-228 MR No Yes — — — Resolved Mar 31, 2009 Radionuclides and Revised Rad Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Sep 1, 2005 Sep 30, 2005 Coliform (TCR) MCL Yes No — 5% of samples — Resolved Sep 30, 2005 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2003 Total Coliform Rule
Aug 1, 2003 Aug 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Aug 31, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Mar 1, 2003 Mar 31, 2003 Coliform (TCR) MR No No — 5% of samples — Resolved Mar 31, 2003 Total Coliform Rule
Jan 1, 2003 Mar 31, 2003 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 Trichloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 1,2-Dichloropropane MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 Tetrachloroethylene MR No Yes — 0.005 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals
Jan 1, 2003 Mar 31, 2003 CHLOROBENZENE MR No Yes — 0.1 mg/L — Resolved Mar 31, 2003 Volatile Organic Chemicals

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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