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The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

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Violations

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Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	3783809	Returned to Compliance	30-DEC-2020	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	3783808	Returned to Compliance	01-JUL-2016	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	3783807	Returned to Compliance	01-JUL-2015	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	3783497	Returned to Compliance	01-JAN-1997	30-JUN-1997	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2593894	Known	01-SEP-1994	30-SEP-1994	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	2593694	Known	01-SEP-1994	30-SEP-1994	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1724893	Known	01-MAR-1993	31-MAR-1993	Yes
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	1911893	Returned to Compliance	21-DEC-1992	-	Yes
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	2248993	Returned to Compliance	01-OCT-1992	31-MAR-1993	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
7090311	3783809	SOX	State Compliance achieved	19-JAN-2021	State	-
7090309	3783808	SOX	State Compliance achieved	15-JUN-2017	State	-
7090309	3783807	SOX	State Compliance achieved	15-JUN-2017	State	-
7089798	3783497	SOX	State Compliance achieved	09-APR-1998	State	-
3812895	2593694	SIE	State Public Notification requested	19-NOV-1994	State	-
3812895	2593894	SIE	State Public Notification requested	19-NOV-1994	State	-
1888194	1911893	SOX	State Compliance achieved	18-JAN-1994	State	-
2673494	2248993	SOX	State Compliance achieved	18-NOV-1993	State	-
1887993	1724893	SIE	State Public Notification requested	22-APR-1993	State	-

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC 02-EMERG CONN WITH CHICAGO R G	32488	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 03-EMERG CONN WITH CHICAGO F 0	32489	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 01-PS RSVR HSP DSCHG CHLOR DS	25842	Yes	Consecutive Connection	Surface water	Permanent	Active
HARWOOD HEIGHTS	23351	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46009	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	46010	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27010	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29432	No	Sampling Station	-	-	Active
ELEV1-150K GALLON ELEVATED TANK	10965	No	Storage	-	-	Active
GR01-TWO 1.0 MG GROUND TANKS AT TP01	12021	No	Storage	-	-	Active
TP 01-PS RSVR HSP DSCHG CHLOR DS	31878	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-PS RSVR HSP DSCHG CHLOR DS	31878	Gaseous Chlorination, Post	Disinfection

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