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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	7024513	Open	01-JUL-2025	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7024512	Returned to Compliance	23-FEB-2025	-	No
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	7024511	Returned to Compliance	02-APR-2024	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	7024510	Returned to Compliance	01-OCT-2023	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7024509	Returned to Compliance	01-JUL-2018	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7024508	Returned to Compliance	30-DEC-2017	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7024507	Returned to Compliance	01-JUL-2017	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7024506	Returned to Compliance	01-JUL-2016	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2602394	Known	01-AUG-1994	31-AUG-1994	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7024080	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
3828723	7024513	SIA	State Violation/Reminder Notice	22-SEP-2025	State	-
3828722	7024511	SIF	State Public Notification received	17-APR-2025	State	-
3828720	7024512	SIA	State Violation/Reminder Notice	19-MAR-2025	State	-
3828716	7024510	SIF	State Public Notification received	08-JUL-2024	State	-
3828712	7024509	SOX	State Compliance achieved	12-NOV-2018	State	-
3828712	7024507	SOX	State Compliance achieved	12-NOV-2018	State	-
3828710	7024508	SOX	State Compliance achieved	30-JAN-2018	State	-
3828707	7024506	SOX	State Compliance achieved	27-JUL-2016	State	-
3827995	2602394	SIF	State Public Notification received	26-DEC-1994	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
CC02-CONNECTION FROM DOWNER'S GROVE	33014	Yes	Consecutive Connection	Surface water	Emergency	Active
WELL 3 4101 N WASHINGTON ST	20219	Yes	Well	Ground water	Permanent	Active
WELL 2 4100 N WASHINGTON ST	20218	Yes	Well	Ground water	Permanent	Active
LIBERTY PARK HOMEOWNERS ASSN	23623	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27282	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29704	No	Sampling Station	-	-	Active
WATER QUALITY SAMPLING	44206	No	Sampling Station	-	-	Active
GR1 - 30K GAL GROUND STORAGE TANK	12150	No	Storage	-	-	Active
HD1 - 30K GAL PRESSURE STORAGE	13305	No	Storage	-	-	Active
GR2 - 30K GAL GROUND STORAGE TANK	44630	No	Storage	-	-	Active
TP01-WELLS #2 & #3 TREATMENT PLANT	15344	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP01-WELLS #2 & #3 TREATMENT PLANT	15344	Fluoridation	Other
TP01-WELLS #2 & #3 TREATMENT PLANT	15344	Gaseous Chlorination, Pre	Disinfection
TP01-WELLS #2 & #3 TREATMENT PLANT	15344	Sequestration	Iron removal

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