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WILLIAMS BAY WATERWORKS

Wisconsin — Community Water System — PWSID: WI2650060

System Information

PWSIDWI2650060
System NameWILLIAMS BAY 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
CityWILLIAMS BAY
ZIP Code53191
AddressPO BOX 580
OrganizationWILLIAMS BAY VILLAGE CLERK
Phone—

Population & Service

Population Served2,601
Service Connections963

Drinking Water Violations (88)

This water system has 88 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 — Lead and Copper Rule TT Yes No — TT — Unaddressed — Lead and Copper Rule
Jan 1, 2025 — Lead and Copper Rule MR No No — TT — Unaddressed — Lead and Copper Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Oct 18, 2021 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Feb 15, 2021 Consumer Confidence Rule
Jul 1, 2020 — Consumer Confidence Rule Other No No — — — Resolved Feb 15, 2021 Consumer Confidence Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Oct 31, 2012 Coliform (TCR) MR No No — 5% of samples — Resolved Oct 31, 2012 Total Coliform Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Chlorine MR No Yes — 4.0 mg/L — Resolved Nov 8, 2012 Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2012 Dec 31, 2012 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrate MR No Yes — 10 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Oct 1, 2012 Dec 31, 2012 Nitrite MR No Yes — 1 mg/L — Resolved Dec 31, 2012 Nitrate Rule
Jan 1, 2012 — Lead and Copper Rule MR No No — TT — Resolved Feb 7, 2012 Lead and Copper Rule
Apr 1, 2006 — Public Notice Other No No — — — Resolved Jun 7, 2007 Public Notice Rule and Revised PN Rule
Jan 1, 2006 Mar 31, 2006 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrite MR No Yes — 1 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Jan 1, 2006 Mar 31, 2006 Nitrate MR No Yes — 10 mg/L — Resolved Mar 31, 2006 Nitrate Rule
Apr 1, 2005 Jun 30, 2005 Nitrite MR No Yes — 1 mg/L — Archived Jun 30, 2005 Nitrate Rule
Apr 1, 2005 Jun 30, 2005 Nitrite MR No Yes — 1 mg/L — Archived Jun 30, 2005 Nitrate Rule
Apr 1, 2005 Jun 30, 2005 Nitrite MR No Yes — 1 mg/L — Archived Jun 30, 2005 Nitrate Rule
Apr 1, 2005 Jun 30, 2005 Nitrite MR No Yes — 1 mg/L — Archived Jun 30, 2005 Nitrate Rule
Oct 1, 2000 — Consumer Confidence Rule Other No No — — — Resolved Jun 13, 2001 Consumer Confidence Rule
Jul 1, 2000 — Consumer Confidence Rule Other No No — — — Resolved Jun 13, 2001 Consumer Confidence Rule
Jul 1, 2000 — Consumer Confidence Rule Other No No — — — Resolved Jun 13, 2001 Consumer Confidence Rule
Jan 1, 1996 Dec 31, 1996 o-Dichlorobenzene MR No Yes — 0.6 mg/L — Resolved Dec 31, 1996 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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