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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	4262015	Open	02-JUL-2025	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4262017	Open	01-JUL-2025	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4262016	Open	01-JUL-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4262012	Returned to Compliance	01-MAR-2022	31-MAY-2022	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4262013	Returned to Compliance	01-MAR-2022	31-MAY-2022	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	4262011	Returned to Compliance	30-DEC-2019	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4262010	Returned to Compliance	01-JUL-2018	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	4262007	Returned to Compliance	01-JUL-2006	31-DEC-2006	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	4261604	Returned to Compliance	01-JAN-2004	30-JUN-2004	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	101	Known	01-MAY-2001	31-MAY-2001	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4261098	Returned to Compliance	01-OCT-1998	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	3780097	Returned to Compliance	01-JAN-1997	30-JUN-1997	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1291791	Known	01-MAR-1991	31-MAR-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
8343627	4262015	SFJ	State Formal Notice of Violation issued	22-DEC-2025	State	-
8343627	4262016	SFJ	State Formal Notice of Violation issued	22-DEC-2025	State	-
8343627	4262017	SFJ	State Formal Notice of Violation issued	22-DEC-2025	State	-
8343619	4262012	SIF	State Public Notification received	30-MAY-2023	State	-
8343619	4262013	SIF	State Public Notification received	30-MAY-2023	State	-
8343615	4262011	SOX	State Compliance achieved	05-FEB-2020	State	-
8343613	4262010	SOX	State Compliance achieved	10-JUL-2019	State	-
8343407	4262007	SIA	State Violation/Reminder Notice	12-JAN-2007	State	-
8343005	4261604	SIF	State Public Notification received	05-JUL-2005	State	-
8342100	4261098	SOX	State Compliance achieved	31-DEC-1999	State	-
7087198	3780097	SOX	State Compliance achieved	09-APR-1998	State	-
884891	1291791	SIE	State Public Notification requested	25-APR-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-EMERG CONNECT W/ CHICAGO	31712	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 03-EMERG CONNECT W/ CHICAGO	31713	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 01-MASTER METER	25793	Yes	Consecutive Connection	Surface water	Permanent	Active
SUMMIT	23301	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46195	No	Distribution System/Zone	-	-	Active
CHILD CARE FACILITY LEAD SAMPLING	46199	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	26960	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29382	No	Sampling Station	-	-	Active
DISTRIBUTION ELEVATED STORAGE	10933	No	Storage	-	-	Active
DISTRIBUTION GROUND STORAGE	11993	No	Storage	-	-	Active
TP 01-59TH STREET PS W/ NAOCL	31827	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-59TH STREET PS W/ NAOCL	31827	Hypochlorination, Post	Disinfection

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