OAK CREEK WATERWORKS

Wisconsin - Community Water System - PWSID: WI2410172

System Information

PWSID	WI2410172
System Name	OAK CREEK WATERWORKS
System Type	Community Water System
Water Source	Surface Water
Activity Status	Active
Owner Type	Local
EPA Region	05
Serves School	No
Wholesaler	Yes
First Reported	Jan 28, 1981
Last Reported	Mar 2, 2026

Location & Contact

State	Wisconsin
City	Oak Creek
ZIP Code	53154
Address	8040 SOUTH 6TH STREET
Organization	OAK CREEK CITY CLERK - CATHERINE ROESKE
Phone	-

Population & Service

Population Served	32,104
Service Connections	11,890

Drinking Water Violations (143)

This water system has 143 violations recorded in the EPA SDWIS database.

Begin Date	End Date	Category	Health-Based	Major	Measured	Federal MCL	State MCL	Status	Return to Compliance	Rule
Oct 17, 2024	-	TT	Yes	No	-	-	-	Resolved	May 29, 2025	-
Oct 17, 2024	-	Other	No	No	-	-	-	Unaddressed	-	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2021	Mar 31, 2021	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2021	-
Jan 1, 2019	Mar 31, 2019	MCL	Yes	No	155.6 UG/L	0.080 mg/L	80.5	Resolved	Mar 31, 2019	-
Jan 1, 2019	Mar 31, 2019	MCL	Yes	No	155.6 UG/L	0.080 mg/L	80.5	Resolved	Mar 31, 2019	-
Jan 1, 2019	Mar 31, 2019	MCL	Yes	No	155.6 UG/L	0.080 mg/L	80.5	Resolved	Mar 31, 2019	-
Jan 1, 2019	Mar 31, 2019	MCL	Yes	No	155.6 UG/L	0.080 mg/L	80.5	Resolved	Mar 31, 2019	-
Oct 1, 2018	Dec 31, 2018	MCL	Yes	No	154.8 UG/L	0.080 mg/L	80.5	Resolved	Dec 31, 2018	-
Oct 1, 2018	Dec 31, 2018	MCL	Yes	No	154.8 UG/L	0.080 mg/L	80.5	Resolved	Dec 31, 2018	-
Oct 1, 2018	Dec 31, 2018	MCL	Yes	No	154.8 UG/L	0.080 mg/L	80.5	Resolved	Dec 31, 2018	-
Oct 1, 2018	Dec 31, 2018	MCL	Yes	No	154.8 UG/L	0.080 mg/L	80.5	Resolved	Dec 31, 2018	-
Jul 1, 2018	Sep 30, 2018	MCL	Yes	No	131.7 UG/L	0.080 mg/L	80.5	Resolved	Sep 30, 2018	-
Jul 1, 2018	Sep 30, 2018	MCL	Yes	No	131.7 UG/L	0.080 mg/L	80.5	Resolved	Sep 30, 2018	-
Jul 1, 2018	Sep 30, 2018	MCL	Yes	No	131.7 UG/L	0.080 mg/L	80.5	Resolved	Sep 30, 2018	-
Jul 1, 2018	Sep 30, 2018	MCL	Yes	No	131.7 UG/L	0.080 mg/L	80.5	Resolved	Sep 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Apr 1, 2018	Jun 30, 2018	MCL	Yes	No	132.7 UG/L	0.080 mg/L	80.5	Resolved	Jun 30, 2018	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.060 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Jan 1, 2014	Mar 31, 2014	MR	No	No	-	0.080 mg/L	-	Resolved	Mar 31, 2014	-
Oct 1, 2013	Dec 31, 2013	MR	No	No	-	0.060 mg/L	-	Resolved	Dec 31, 2013	-
Oct 1, 2013	Dec 31, 2013	MR	No	No	-	0.060 mg/L	-	Resolved	Dec 31, 2013	-
Oct 1, 2013	Dec 31, 2013	MR	No	No	-	0.060 mg/L	-	Resolved	Dec 31, 2013	-
Oct 1, 2013	Dec 31, 2013	MR	No	No	-	0.080 mg/L	-	Resolved	Dec 31, 2013	-
Oct 1, 2013	Dec 31, 2013	MR	No	No	-	0.080 mg/L	-	Resolved	Dec 31, 2013	-

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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