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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	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	5287408	Open	01-JUL-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	5287409	Open	01-JUL-2025	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	5286801	Known	01-MAR-2001	31-MAR-2001	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	300	Known	01-SEP-2000	30-SEP-2000	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	5180400	Known	01-JUL-2000	31-JUL-2000	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	5180600	Known	01-JUL-2000	31-JUL-2000	Yes
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	1911193	Returned to Compliance	07-DEC-1992	-	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1292191	Known	01-FEB-1991	28-FEB-1991	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
835306	5287409	SIA	State Violation/Reminder Notice	02-SEP-2025	State	-
835305	5287408	SIE	State Public Notification requested	29-JUL-2025	State	-
498401	5286801	SIE	State Public Notification requested	15-MAY-2001	State	-
89801	300	SIE	State Public Notification requested	05-DEC-2000	State	-
113500	5180400	SIE	State Public Notification requested	15-SEP-2000	State	-
113500	5180600	SIE	State Public Notification requested	15-SEP-2000	State	-
834994	1911193	SOX	State Compliance achieved	24-JAN-1994	State	-
834791	1292191	SIE	State Public Notification requested	28-MAR-1991	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-EMER CHGO METER VAULT	33493	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 03-EMER CHICAGO METER VAULT	33494	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 01-PUMPING STAT 7418 W FULLERTON	25828	Yes	Consecutive Connection	Surface water	Permanent	Active
ELMWOOD PARK	23338	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45678	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45679	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	26997	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29419	No	Sampling Station	-	-	Active
ELEV1-250K GALLON ELEVATED TANK	10955	No	Storage	-	-	Active
GR01-TWO 1.0 MG GROUND TANKS AT TP01	12595	No	Storage	-	-	Active
DISTRIBUTION GROUND STORAGE	12010	No	Storage	-	-	Inactive
TP 01-PUMPING STAT 7418 W FULLERTON	31858	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-PUMPING STAT 7418 W FULLERTON	31858	Gaseous Chlorination, Pre	Disinfection

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