ROCHESTER

Illinois — Community Water System — PWSID: IL1671000

System Information

PWSID	IL1671000
System Name	ROCHESTER
System Type	Community Water System
Water Source	Surface Water Purchased
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	ROCHESTER
ZIP Code	62563
Address	Village of Rochester
Organization	ELDERTON, DEBORAH R.
Phone	217-498-7192

Population & Service

Population Served	3,856
Service Connections	1,752

Drinking Water Violations (46)

This water system has 46 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
Oct 1, 2023	Dec 31, 2023	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2023	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023	Dec 31, 2023	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2023	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023	Dec 31, 2023	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2023	Stage 2 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2023	Dec 31, 2023	Total Haloacetic Acids (HAA5)	MR	No	Yes	—	0.060 mg/L	—	Resolved	Dec 31, 2023	Stage 2 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2013	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 25, 2014	Lead and Copper Rule
Dec 30, 2013	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 25, 2014	Lead and Copper Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 19, 2012	—	Public Notice	Other	No	No	—	—	—	Resolved	Mar 11, 2013	Public Notice Rule and Revised PN Rule
Oct 1, 2011	Dec 31, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011	Dec 31, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011	Dec 31, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Oct 1, 2011	Dec 31, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Dec 31, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Sep 1, 2011	Sep 30, 2011	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Sep 30, 2011	Total Coliform Rule
Jul 1, 2011	Sep 30, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011	Sep 30, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011	Sep 30, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2011	Sep 30, 2011	Chloramine	MR	No	Yes	—	4.0 mg/L	—	Resolved	Sep 30, 2011	Stage 1 Disinfectants and Disinfection Byproducts Rule
Jan 2, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 24, 2011	Lead and Copper Rule
Jan 2, 2011	—	Lead and Copper Rule	MR	No	No	—	TT	—	Resolved	Feb 24, 2011	Lead and Copper Rule
Nov 1, 2007	Nov 30, 2007	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2007	Total Coliform Rule
Nov 1, 2007	Nov 30, 2007	Coliform (TCR)	MR	No	No	—	5% of samples	—	Resolved	Nov 30, 2007	Total Coliform Rule
Jul 1, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 15, 2005	Consumer Confidence Rule
Jul 1, 2005	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Sep 15, 2005	Consumer Confidence Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 2, 2003	Consumer Confidence Rule
Jul 1, 2002	—	Consumer Confidence Rule	Other	No	No	—	—	—	Resolved	Jul 2, 2003	Consumer Confidence Rule
Jul 1, 2000	Jul 31, 2000	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 2000	Total Coliform Rule
Jul 1, 2000	Jul 31, 2000	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jul 31, 2000	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Oct 1, 1997	Oct 31, 1997	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Oct 31, 1997	Total Coliform Rule
Mar 1, 1996	Mar 31, 1996	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Mar 31, 1996	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform Rule
Jun 1, 1994	Jun 30, 1994	Coliform (TCR)	MR	No	No	—	5% of samples	—	Archived	Jun 30, 1994	Total Coliform 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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