DECATUR

Illinois - Community Water System - PWSID: IL1150150

System Information

PWSID	IL1150150
System Name	DECATUR
System Type	Community Water System
Water Source	Surface Water
Activity Status	Active
Owner Type	Local
EPA Region	05
Serves School	No
Wholesaler	No
First Reported	Feb 13, 1981
Last Reported	Feb 26, 2026

Location & Contact

State	Illinois
City	DECATUR
ZIP Code	62523
Address	1 Gary K. Anderson Plaza
Organization	WEIL, ROBERT C.
Phone	217-424-2863

Population & Service

Population Served	76,122
Service Connections	31,407

Drinking Water Violations (99)

This water system has 99 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 1, 2023	Oct 31, 2023	MR	No	Yes	-	1.0 mg/L	-	Resolved	Oct 31, 2023	-
Oct 1, 2023	Oct 31, 2023	MR	No	Yes	-	1.0 mg/L	-	Resolved	Oct 31, 2023	-
Oct 1, 2023	Oct 31, 2023	MR	No	Yes	-	1.0 mg/L	-	Resolved	Oct 31, 2023	-
Oct 1, 2023	Oct 31, 2023	MR	No	Yes	-	1.0 mg/L	-	Resolved	Oct 31, 2023	-
Apr 1, 2002	Jun 30, 2002	MCL	Yes	No	11	10 mg/L	-	Resolved	Jun 12, 2002	-
Apr 1, 2002	Jun 30, 2002	MCL	Yes	No	11	10 mg/L	-	Resolved	Jun 12, 2002	-
Apr 1, 2002	Jun 30, 2002	MCL	Yes	No	11	10 mg/L	-	Resolved	Jun 12, 2002	-
Jan 1, 2002	Mar 31, 2002	MCL	Yes	No	11.19	10 mg/L	-	Resolved	Mar 31, 2002	-
Jan 1, 2002	Mar 31, 2002	MCL	Yes	No	11.19	10 mg/L	-	Resolved	Mar 31, 2002	-
Jan 1, 2002	Mar 31, 2002	MCL	Yes	No	11.19	10 mg/L	-	Resolved	Mar 31, 2002	-
Apr 1, 2001	Jun 30, 2001	MCL	Yes	No	13.4	10 mg/L	-	Resolved	Jun 30, 2001	-
Apr 1, 2001	Jun 30, 2001	MCL	Yes	No	13.4	10 mg/L	-	Resolved	Jun 30, 2001	-
Apr 1, 2001	Jun 30, 2001	MCL	Yes	No	13.4	10 mg/L	-	Resolved	Jun 30, 2001	-
Jan 1, 2001	Mar 31, 2001	MCL	Yes	No	11.6	10 mg/L	-	Resolved	Mar 31, 2001	-
Jan 1, 2001	Mar 31, 2001	MCL	Yes	No	11.6	10 mg/L	-	Resolved	Mar 31, 2001	-
Jan 1, 2001	Mar 31, 2001	MCL	Yes	No	11.6	10 mg/L	-	Resolved	Mar 31, 2001	-
Apr 1, 1999	Jun 30, 1999	MCL	Yes	No	12.6	10 mg/L	-	Resolved	Jun 30, 1999	-
Apr 1, 1999	Jun 30, 1999	MCL	Yes	No	12.6	10 mg/L	-	Resolved	Jun 30, 1999	-
Apr 1, 1999	Jun 30, 1999	MCL	Yes	No	12.6	10 mg/L	-	Resolved	Jun 30, 1999	-
Apr 1, 1998	Jun 30, 1998	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jun 30, 1998	-
Apr 1, 1998	Jun 30, 1998	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jun 30, 1998	-
Apr 1, 1998	Jun 30, 1998	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jun 30, 1998	-
Jul 1, 1997	Sep 30, 1997	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jul 9, 1997	-
Jul 1, 1997	Sep 30, 1997	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jul 9, 1997	-
Jul 1, 1997	Sep 30, 1997	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jul 9, 1997	-
Jul 1, 1997	Sep 30, 1997	MCL	Yes	No	10.8	10 mg/L	-	Resolved	Jul 9, 1997	-
Feb 1, 1997	Feb 28, 1997	TT	Yes	No	-	-	-	Archived	Feb 28, 1997	-
Feb 1, 1997	Feb 28, 1997	TT	Yes	No	-	-	-	Archived	Feb 28, 1997	-
Feb 1, 1997	Feb 28, 1997	TT	Yes	No	-	-	-	Archived	Feb 28, 1997	-
Jul 1, 1996	Sep 30, 1996	MCL	Yes	No	10.6	10 mg/L	-	Resolved	Sep 30, 1996	-
Jul 1, 1996	Sep 30, 1996	MCL	Yes	No	10.6	10 mg/L	-	Resolved	Sep 30, 1996	-
Jul 1, 1996	Sep 30, 1996	MCL	Yes	No	10.6	10 mg/L	-	Resolved	Sep 30, 1996	-
Apr 1, 1996	Jun 30, 1996	MCL	Yes	No	13	10 mg/L	-	Resolved	Jun 30, 1996	-
Apr 1, 1996	Jun 30, 1996	MCL	Yes	No	13	10 mg/L	-	Resolved	Jun 30, 1996	-
Apr 1, 1996	Jun 30, 1996	MCL	Yes	No	13	10 mg/L	-	Resolved	Jun 30, 1996	-
Apr 1, 1996	Jun 30, 1996	MCL	Yes	No	13	10 mg/L	-	Resolved	Jun 30, 1996	-
May 1, 1995	May 31, 1995	TT	Yes	No	-	-	-	Archived	May 31, 1995	-
May 1, 1995	May 31, 1995	TT	Yes	No	-	-	-	Archived	May 31, 1995	-
May 1, 1995	May 31, 1995	TT	Yes	No	-	-	-	Archived	May 31, 1995	-
Feb 1, 1995	Feb 28, 1995	TT	Yes	No	-	-	-	Archived	Feb 28, 1995	-
Feb 1, 1995	Feb 28, 1995	TT	Yes	No	-	-	-	Archived	Feb 28, 1995	-
Feb 1, 1995	Feb 28, 1995	TT	Yes	No	-	-	-	Archived	Feb 28, 1995	-
Dec 1, 1994	Dec 31, 1994	TT	Yes	No	-	-	-	Archived	Dec 31, 1994	-
Dec 1, 1994	Dec 31, 1994	TT	Yes	No	-	-	-	Archived	Dec 31, 1994	-
Dec 1, 1994	Dec 31, 1994	TT	Yes	No	-	-	-	Archived	Dec 31, 1994	-
Jun 1, 1994	Jun 30, 1994	TT	Yes	No	-	-	-	Archived	Jun 30, 1994	-
Jun 1, 1994	Jun 30, 1994	TT	Yes	No	-	-	-	Archived	Jun 30, 1994	-
Jun 1, 1994	Jun 30, 1994	TT	Yes	No	-	-	-	Archived	Jun 30, 1994	-
Jun 1, 1994	Jun 30, 1994	TT	Yes	No	-	-	-	Archived	Jun 30, 1994	-
Jun 1, 1994	Jun 30, 1994	TT	Yes	No	-	-	-	Archived	Jun 30, 1994	-

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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