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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
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7022911	Open	01-JUL-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7022910	Open	01-JUL-2024	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3424396	Known	01-MAY-1996	31-MAY-1996	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7022780	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
506	7022911	SIA	State Violation/Reminder Notice	27-AUG-2025	State	-
505	7022910	SIA	State Violation/Reminder Notice	07-OCT-2024	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-DELIV STRU ON CENTRAL AVE	26075	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL 7 (20526) ABANDONED	20234	Yes	Well	Ground water	Other	Inactive
WELL 2 (20522) - NOT USED FOR DRINKING	20230	Yes	Well	Ground water	Other	Inactive
WELL 1 (20521) ABANDONED	20229	Yes	Well	Ground water	Other	Inactive
WELL 6 (20525) EMER	20233	Yes	Well	Ground water	Emergency	Active
WELL 5 (20524) EMER	20232	Yes	Well	Ground water	Emergency	Active
WELL 3 (20523) EMER	20231	Yes	Well	Ground water	Emergency	Active
CC 08-DELIV STRU MILLER LANE S OF HYW19	26076	Yes	Consecutive Connection	Surface water	Permanent	Active
WOOD DALE	23601	No	Distribution System/Zone	-	-	Active
IDSE	34697	No	Distribution System/Zone	-	-	Active
SCHOOL ELAD SAMPLING	45332	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45333	No	Distribution System/Zone	-	-	Active
PF09-INTERZONE BOOSTER PUMP	46903	No	Pump Facility	-	-	Active
GENERIC FINISHED SAMPLING STATION	27260	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29682	No	Sampling Station	-	-	Active
500,000 ELEVATED STORAGE TANK	11101	No	Storage	-	-	Active
1.0 MG & 500,000 GALLON GROUND STORAGE	12737	No	Storage	-	-	Active
1.25 MG GALLON GROUND STORAGE TANK	12738	No	Storage	-	-	Active
100,000 GALLON ELVATED STORAGE TANK	45990	No	Storage	-	-	Active
DISTRIBUTION GROUND STORAGE	12140	No	Storage	-	-	Inactive
TP 03-WELL 3 (EMER)	15278	No	Treatment Plant	-	-	Active
TP 04-WELL 5 (EMER)	15279	No	Treatment Plant	-	-	Active
TP 05-WELL 6 (EMER)	15280	No	Treatment Plant	-	-	Active
TP07 - REICHERT AVENUE PUMP STATION	40270	No	Treatment Plant	-	-	Active
TP08 - POTTER STREET PUMP STATION	40271	No	Treatment Plant	-	-	Active
TP 01-WELL 1 (ABANDONED)	15276	No	Treatment Plant	-	-	Inactive
TP 02-WELL 2	15277	No	Treatment Plant	-	-	Inactive
TP 06-WELL 7 INACTIVE	15281	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 3 (EMER)	15278	Gaseous Chlorination, Pre	Disinfection
TP 04-WELL 5 (EMER)	15279	Gaseous Chlorination, Pre	Disinfection
TP 05-WELL 6 (EMER)	15280	Gaseous Chlorination, Pre	Disinfection
TP 06-WELL 7 INACTIVE	15281	Gaseous Chlorination, Pre	Disinfection
TP07 - REICHERT AVENUE PUMP STATION	40270	Gaseous Chlorination, Post	Disinfection
TP08 - POTTER STREET PUMP STATION	40271	Gaseous Chlorination, Post	Disinfection

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