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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
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	7118308	Returned to Compliance	01-MAY-2025	31-MAY-2025	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	7118309	Returned to Compliance	01-MAY-2025	31-MAY-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	7118311	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	7118312	Known	01-JAN-2023	31-DEC-2025	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7118307	Returned to Compliance	30-DEC-2020	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7118306	Returned to Compliance	01-JUL-2020	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	7118103	Known	01-JUN-2003	30-JUN-2003	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7117980	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
1512	7118308	SIE	State Public Notification requested	22-AUG-2025	State	-
1514	7118309	SIE	State Public Notification requested	22-AUG-2025	State	-
1510	7118307	SOX	State Compliance achieved	19-JAN-2021	State	-
1508	7118306	SOX	State Compliance achieved	08-OCT-2020	State	-
1203	7118103	SIF	State Public Notification received	08-SEP-2003	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 07-BOOSTER STA 124 GERZEVSKE LANE	26033	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL 5 (20728) ABANDONED	20436	Yes	Well	Ground water	Other	Inactive
WELL 4 (20727) ABANDONED	20435	Yes	Well	Ground water	Other	Inactive
WELL 1 (20724) ABANDONED	20432	Yes	Well	Ground water	Other	Inactive
WELL 3 (20726) EMERGENCY	20434	Yes	Well	Ground water	Emergency	Active
WELL 2 (20725) EMERGENCY	20433	Yes	Well	Ground water	Emergency	Active
WELL 6 (00169) EMERGENCY	18008	Yes	Well	Ground water	Emergency	Active
CC 08 BOOSTER STATION (KUHN ROAD)	26034	Yes	Consecutive Connection	Surface water	Permanent	Active
CAROL STREAM	23576	No	Distribution System/Zone	-	-	Active
IDSE	34597	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46092	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	46093	No	Distribution System/Zone	-	-	Active
PF07 - EASTSIDE BOOSTER STATION	33941	No	Pump Facility	-	-	Active
CC08-PUMPING STATION	33943	No	Pump Facility	-	-	Inactive
GENERIC FINISHED SAMPLING STATION	27235	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29657	No	Sampling Station	-	-	Active
GR8 - 2.5MG GROUND TANK	12723	No	Storage	-	-	Active
GR7 - 2.5MG GROUND TANK	33942	No	Storage	-	-	Active
ELEV1 - 250,000GAL ELEVATED TANK	46027	No	Storage	-	-	Active
ELEV2 - 500,000GAL ELEVATED TANK	46029	No	Storage	-	-	Active
ELEV3 - 750,000GAL ELEVATED TANK	46031	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11081	No	Storage	-	-	Inactive
DISTRIBUTION GROUND STORAGE	12125	No	Storage	-	-	Inactive
DISTRIBUTION PRESSURE STORAGE	13296	No	Storage	-	-	Inactive
CC08-GROUND STORAGE	33944	No	Storage	-	-	Inactive
TP02 - WELL 2 (EMERGENCY)	15165	No	Treatment Plant	-	-	Active
TP03 - WELL 3 (EMERGENCY)	15166	No	Treatment Plant	-	-	Active
TP06 - WELL 6 (EMERGENCY)	15169	No	Treatment Plant	-	-	Active
TP08 - KUHN RD BOOSTER STATION	32022	No	Treatment Plant	-	-	Active
TP 01-WELL 1 (ABANDONED)	15164	No	Treatment Plant	-	-	Inactive
TP 04-WELL 4 (ABANDONED)	15167	No	Treatment Plant	-	-	Inactive
TP 05-WELL 5 (ABANDONED)	15168	No	Treatment Plant	-	-	Inactive
TP 07-TREATMENT PLANT	32021	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP02 - WELL 2 (EMERGENCY)	15165	Hypochlorination, Post	Disinfection
TP03 - WELL 3 (EMERGENCY)	15166	Hypochlorination, Post	Disinfection
TP06 - WELL 6 (EMERGENCY)	15169	Hypochlorination, Post	Disinfection
TP 07-TREATMENT PLANT	32021	Gaseous Chlorination, Pre	Disinfection
TP08 - KUHN RD BOOSTER STATION	32022	Hypochlorination, Post	Disinfection

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