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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	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7118188	Returned to Compliance	01-OCT-2024	31-DEC-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7118187	Returned to Compliance	01-OCT-2024	31-DEC-2024	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3105995	Known	01-JUL-1995	31-JUL-1995	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2601994	Known	01-AUG-1994	31-AUG-1994	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1385392	Known	01-OCT-1991	31-OCT-1991	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7118180	Known	30-JUN-1977	29-JUN-1981	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
4751108	7118187	SIF	State Public Notification received	21-AUG-2025	State	-
4751108	7118188	SIF	State Public Notification received	21-AUG-2025	State	-
4751095	3105995	SIE	State Public Notification requested	24-SEP-1995	State	-
3827095	2601994	SIF	State Public Notification received	28-OCT-1994	State	-
1136792	1385392	SIE	State Public Notification requested	07-DEC-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 15-EMERG INTERCONNECT W/CAROL STREAM	32322	Yes	Consecutive Connection	Surface water	Emergency	Active
WELL 10 (20786) ABANDONED	20486	Yes	Well	Ground water	Other	Inactive
WELL 9 (20785) ABANDONED	20485	Yes	Well	Ground water	Other	Inactive
WELL 4 (20781) ABANDONED	20482	Yes	Well	Ground water	Other	Inactive
WELL 3 (20780) ABANDONED	20481	Yes	Well	Ground water	Other	Inactive
WELL 7 (00534) ABANDONED	18347	Yes	Well	Ground water	Other	Inactive
WELL 2 (00144) ABANDONED	17985	Yes	Well	Ground water	Other	Inactive
WELL 8 (20784)	20484	Yes	Well	Ground water	Emergency	Active
WELL 5 (20782)	20483	Yes	Well	Ground water	Emergency	Active
WELL 12 (00581)	18392	Yes	Well	Ground water	Emergency	Active
WELL 11 (00580)	18391	Yes	Well	Ground water	Emergency	Active
CC 11-BURDETT AVE	33206	Yes	Consecutive Connection	Surface water	Permanent	Active
CC 12-BRANDON STATION	33207	Yes	Consecutive Connection	Surface water	Permanent	Active
CC 13-WINDY POINT CONNECTION FROM DWC	33208	Yes	Consecutive Connection	Surface water	Permanent	Active
GLENDALE HEIGHTS	23581	No	Distribution System/Zone	-	-	Active
IDSE	34621	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45342	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45343	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27240	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29662	No	Sampling Station	-	-	Active
1.0 MG ELEVATED STORAGE TANK	11086	No	Storage	-	-	Active
1.0 MG & 1.5 MG GROUND STORAGE TANK	12129	No	Storage	-	-	Active
500,000 GALLON ELVATED STORAGE TANK	45987	No	Storage	-	-	Active
200,000 GALLON ELEVATED STORAGE TANK	45988	No	Storage	-	-	Active
500,000 GALLON ELEVATED STORAGE TANK	45989	No	Storage	-	-	Active
TP 03-WELL NO 5	15195	No	Treatment Plant	-	-	Active
TP 04-WELL NO 8	15196	No	Treatment Plant	-	-	Active
TP 09-WELL 11	15201	No	Treatment Plant	-	-	Active
TP 10-WELL 12	15202	No	Treatment Plant	-	-	Active
TP 11 - BURDETT AVE W OF ROSELLE RD	32032	No	Treatment Plant	-	-	Active
TP 12 - BRANDON STATION	32033	No	Treatment Plant	-	-	Active
TP 13 - WINDY POINT PAS	32764	No	Treatment Plant	-	-	Active
TP 01-WELL NO 3 (ABANDONED)	15193	No	Treatment Plant	-	-	Inactive
TP 02-WELL NO 4 (ABANDONED)	15194	No	Treatment Plant	-	-	Inactive
TP 05-WELL NO 9 (ABANDONED)	15197	No	Treatment Plant	-	-	Inactive
TP 06-WELL NO 10 (ABANDONED)	15198	No	Treatment Plant	-	-	Inactive
TP 07-WELL 7 (ABANDONED)	15199	No	Treatment Plant	-	-	Inactive
TP 08-WELL NO 2 (ABANDONED)	15200	No	Treatment Plant	-	-	Inactive
TP 14-PEAKING STATION AT BURDETTE	22810	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 03-WELL NO 5	15195	Hypochlorination, Post	Disinfection
TP 04-WELL NO 8	15196	Hypochlorination, Post	Disinfection
TP 09-WELL 11	15201	Hypochlorination, Post	Disinfection
TP 10-WELL 12	15202	Hypochlorination, Post	Disinfection
TP 14-PEAKING STATION AT BURDETTE	22810	Hypochlorination, Post	Disinfection
TP 11 - BURDETT AVE W OF ROSELLE RD	32032	Hypochlorination, Post	Disinfection
TP 12 - BRANDON STATION	32033	Hypochlorination, Post	Disinfection
TP 13 - WINDY POINT PAS	32764	Hypochlorination, Post	Disinfection

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