MAROA

Illinois — Community Water System — PWSID: IL1150300

System Information

PWSID	IL1150300
System Name	MAROA
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	Feb 13, 1981
Last Reported	Dec 4, 2025

Location & Contact

State	Illinois
City	MAROA
ZIP Code	61756
Address	P.O. BOX 136
Organization	HOFFMAN, MICHAEL A.
Phone	217-794-3842

Population & Service

Population Served	1,700
Service Connections	770

Drinking Water Violations (55)

This water system has 55 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, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Jul 1, 2009	Sep 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Apr 1, 2009	Jun 30, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Jan 1, 2009	Mar 31, 2009	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2009	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Oct 1, 2008	Dec 31, 2008	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Jan 1, 2008	Mar 31, 2008	Arsenic	MCL	Yes	No	.011 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2008	Arsenic Rule
Oct 1, 2007	Oct 31, 2007	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2007	Total Coliform Rule
Oct 1, 2007	Oct 31, 2007	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2007	Total Coliform Rule
Oct 1, 2007	Oct 31, 2007	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2007	Total Coliform Rule
Oct 1, 2007	Oct 31, 2007	Coliform (TCR)	MCL	Yes	No	—	5% of samples	—	Resolved	Oct 31, 2007	Total Coliform Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Oct 1, 2006	Dec 31, 2006	Arsenic	MCL	Yes	No	.013 MG/L	0.010 mg/L	.01	Resolved	Dec 31, 2006	Arsenic Rule
Aug 16, 2006	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 21, 2007	Consumer Confidence Rule
Aug 16, 2006	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jun 21, 2007	Consumer Confidence Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Jul 1, 2006	Sep 30, 2006	Arsenic	MCL	Yes	No	.02 MG/L	0.010 mg/L	.01	Resolved	Sep 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Apr 1, 2006	Jun 30, 2006	Arsenic	MCL	Yes	No	.024 MG/L	0.010 mg/L	.01	Resolved	Jun 30, 2006	Arsenic Rule
Jan 23, 2006	Mar 31, 2006	Arsenic	MCL	Yes	No	.029 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2006	Arsenic Rule
Jan 23, 2006	Mar 31, 2006	Arsenic	MCL	Yes	No	.029 MG/L	0.010 mg/L	.01	Resolved	Mar 31, 2006	Arsenic Rule

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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