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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
RPT	Notification, Known or Potential LSL	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	4655010	Open	02-JUL-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4655008	Returned to Compliance	01-JUL-2017	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4654604	Returned to Compliance	01-JAN-2004	31-JAN-2004	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4654504	Returned to Compliance	01-DEC-2003	31-DEC-2003	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	4654299	Known	01-SEP-1999	30-SEP-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4654399	Known	01-SEP-1999	30-SEP-1999	Yes

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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
8354112	4655010	SIE	State Public Notification requested	03-JUL-2025	State	-
8354110	4655008	SOX	State Compliance achieved	03-JUL-2018	State	-
8354105	4654504	SIF	State Public Notification received	26-APR-2005	State	-
8354105	4654604	SIF	State Public Notification received	26-APR-2005	State	-
8353000	4654399	SIE	State Public Notification requested	15-NOV-1999	State	-
8353000	4654299	SIE	State Public Notification requested	15-NOV-1999	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 03-EMERGENCY RIVER FOREST	31687	Yes	Consecutive Connection	Ground water	Emergency	Active
CC 02-CONNECTION TO BNRJWC	25832	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 04-EMERGENCY MAYWOOD	31686	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 05-EMERGENCY N. RIVERSIDE	31685	Yes	Consecutive Connection	Surface water	Other	Inactive
CC 01-CHICAGO METER	25831	Yes	Consecutive Connection	Surface water	Permanent	Active
FOREST PARK	23342	No	Distribution System/Zone	-	-	Active
IDSE	34620	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45248	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45249	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27001	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29423	No	Sampling Station	-	-	Active
TP01 1MG GROUND STORAGE TANK	44736	No	Storage	-	-	Active
TP01 500 K ELEVATED TANK	44737	No	Storage	-	-	Active
TP02 350 K GROUND STORAGE TANK	44738	No	Storage	-	-	Active
TP02 500 K ELEVATED TANK	44739	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	10957	No	Storage	-	-	Inactive
DISTRIBUTION GROUND STORAGE	12014	No	Storage	-	-	Inactive
TP 01-JACKSON AVE PUMP STATION	31864	No	Treatment Plant	-	-	Active
TP 02-HANNAH AVE PUMP STATION	31865	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-JACKSON AVE PUMP STATION	31864	Gaseous Chlorination, Pre	Disinfection
TP 02-HANNAH AVE PUMP STATION	31865	Gaseous Chlorination, Pre	Disinfection

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