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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	2076714	Open	01-JUL-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2076715	Known	01-JAN-2025	31-DEC-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2076713	Known	01-JAN-2025	31-DEC-2025	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	2076712	Open	01-JUL-2024	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2076711	Returned to Compliance	01-JUL-2023	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2076710	Returned to Compliance	13-OCT-2007	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2076709	Returned to Compliance	13-OCT-2007	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2076708	Returned to Compliance	01-JUL-2007	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2076607	Open	10-NOV-2006	-	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	2076707	Open	10-NOV-2006	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	2076507	Returned to Compliance	01-OCT-2006	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	2076206	Returned to Compliance	01-OCT-2005	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2076105	Returned to Compliance	01-JUL-2005	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	2075804	Returned to Compliance	01-JUL-2004	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2075304	Returned to Compliance	01-JUL-2003	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2075103	Returned to Compliance	01-JUL-2003	31-JUL-2003	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	2075905	Returned to Compliance	01-OCT-2002	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	2074502	Returned to Compliance	01-JUL-2002	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	2074393	Returned to Compliance	01-OCT-1993	-	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
3050920	2076714	SIA	State Violation/Reminder Notice	04-NOV-2025	State	-
3050919	2076713	SIE	State Public Notification requested	14-OCT-2025	State	-
3050917	2076712	SIA	State Violation/Reminder Notice	09-JAN-2025	State	-
3050916	2076711	SOX	State Compliance achieved	31-JUL-2023	State	CCR Received by agency 07/31/2023 JHM
3050914	2076607	SO6	State Intentional no-action	01-APR-2011	State	-
3050914	2076707	SO6	State Intentional no-action	01-APR-2011	State	-
3050912	2076507	SIF	State Public Notification received	27-NOV-2007	State	-
3050911	2076710	SOX	State Compliance achieved	27-NOV-2007	State	Supply hand delevered PN 12/1/07 (LATE), IEPA rcvd copy 11/27/07.
3050911	2076709	SOX	State Compliance achieved	27-NOV-2007	State	Supply hand delevered PN 12/1/07 (LATE), IEPA rcvd copy 11/27/07.
3050913	2075905	SOX	State Compliance achieved	19-SEP-2007	State	-
3050913	2076206	SOX	State Compliance achieved	19-SEP-2007	State	-
3050909	2076708	SOX	State Compliance achieved	01-AUG-2007	State	-
3049505	2076105	SIA	State Violation/Reminder Notice	13-SEP-2005	State	-
3049605	2075804	SOX	State Compliance achieved	27-AUG-2005	State	-
3048905	2074502	SOX	State Compliance achieved	18-NOV-2004	State	-
3047803	2075103	SIE	State Public Notification requested	11-SEP-2003	State	-
3048103	2075304	SOX	State Compliance achieved	29-JUL-2003	State	-
3047394	2074393	SOX	State Compliance achieved	30-JUN-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
CC 01-PUMP STATION	25867	Yes	Consecutive Connection	Surface water	Permanent	Active
MERRIONETTE PARK	23376	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	46962	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27035	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29457	No	Sampling Station	-	-	Active
MERRIONETTE PARK 20 K GROUND STORAGE TAN	12623	No	Storage	-	-	Active
MERRIONETTE PARK 400 K ELEVATED TANK	46946	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	10984	No	Storage	-	-	Inactive
DISTRIBUTION GROUND STORAGE	12042	No	Storage	-	-	Inactive
TP 01-PUMP STATION	31901	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-PUMP STATION	31901	Hypochlorination, Post	Disinfection

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