SHELL LAKE WATERWORKS

Wisconsin — Community Water System — PWSID: WI8660304

System Information

PWSID	WI8660304
System Name	SHELL LAKE WATERWORKS
System Type	Community Water System
Water Source	Ground Water
Activity Status	Active
Owner Type	Local
EPA Region	05
Serves School	No
Wholesaler	No
First Reported	Jan 28, 1981
Last Reported	Dec 17, 2025

Location & Contact

State	Wisconsin
City	SHELL LAKE
ZIP Code	54871
Address	SHELL LAKE CITY HALL
Organization	BROWN, MITCH
Phone	—

Population & Service

Population Served	950
Service Connections	351

Drinking Water Violations (44)

This water system has 44 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 2, 2025	—	LEAD AND COPPER RULE REVISIONS	RPT	No	No	—	—	—	Resolved	Jul 2, 2025	Lead and Copper Rule Revisions
Oct 17, 2024	—	Public Notice	Other	No	No	—	—	—	Unaddressed	—	Public Notice Rule and Revised PN Rule
Oct 17, 2024	—	LEAD AND COPPER RULE REVISIONS	TT	Yes	No	—	—	—	Resolved	Jul 3, 2025	Lead and Copper Rule Revisions
Jan 1, 2024	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Jan 11, 2024	Lead and Copper Rule
Oct 1, 2014	Oct 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 30, 2014	Total Coliform Rule
Aug 1, 2014	Aug 31, 2014	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Aug 20, 2014	Total Coliform Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 16, 2012	Total Coliform Rule
Nov 1, 2012	Nov 30, 2012	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 16, 2012	Total Coliform Rule
Oct 1, 2009	—	Public Notice	Other	No	No	—	—	—	Resolved	Feb 22, 2011	Public Notice Rule and Revised PN Rule
Sep 1, 2009	Sep 30, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2009	Total Coliform Rule
Sep 1, 2009	Sep 30, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2009	Total Coliform Rule
Sep 1, 2009	Sep 30, 2009	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2009	Total Coliform Rule
Nov 1, 2008	Nov 30, 2008	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 19, 2008	Total Coliform Rule
Nov 1, 2002	Nov 30, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 5, 2002	Total Coliform Rule
Oct 1, 2002	Oct 31, 2002	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Oct 22, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Sep 1, 2002	Sep 30, 2002	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2002	Total Coliform Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 12, 2002	Consumer Confidence Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Aug 12, 2002	Consumer Confidence Rule
Feb 1, 2001	Feb 28, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 28, 2001	Total Coliform Rule
Feb 1, 2001	Feb 28, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 28, 2001	Total Coliform Rule
Feb 1, 2001	Feb 28, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Feb 28, 2001	Total Coliform Rule
Jan 1, 2001	Jan 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 2001	Total Coliform Rule
Jan 1, 2001	Jan 31, 2001	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Archived	Jan 31, 2001	Total Coliform Rule
Nov 1, 2000	Nov 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 28, 2000	Total Coliform Rule
Nov 1, 2000	Nov 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 28, 2000	Total Coliform Rule
Nov 1, 2000	Nov 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 28, 2000	Total Coliform Rule
Nov 1, 2000	Nov 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Nov 28, 2000	Total Coliform Rule
Sep 1, 2000	Sep 30, 2000	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Sep 30, 2000	Total Coliform Rule
Nov 1, 1999	Nov 30, 1999	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 1999	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 1997	Total Coliform Rule
—	—		—	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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