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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	20230000203	Returned to Compliance	01-OCT-2022	31-OCT-2022	No
MR	Failure to Conduct Assessment Monitoring	Ground Water Rule	E. COLI	20230000192	Returned to Compliance	01-OCT-2022	31-OCT-2022	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	20220016940	Returned to Compliance	01-JAN-2022	31-DEC-2022	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20220016994	Returned to Compliance	01-JAN-2022	31-DEC-2022	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	20180011587	Returned to Compliance	01-JUL-2018	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	20170010032	Returned to Compliance	01-JAN-2017	31-MAR-2017	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20170010106	Returned to Compliance	01-JAN-2017	31-MAR-2017	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	20160006702	Returned to Compliance	01-JUL-2016	30-SEP-2016	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20160006701	Returned to Compliance	01-JUL-2016	30-SEP-2016	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	20180012410	Returned to Compliance	01-JAN-2016	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	20090005550	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20090005678	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	20090003947	Known	01-MAY-2009	31-MAY-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	93V0002	Known	01-SEP-1993	30-SEP-1993	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	93V0003	Known	01-AUG-1993	31-AUG-1993	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	93V0001	Known	01-OCT-1992	31-OCT-1992	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	92V0002	Known	01-JUL-1992	31-JUL-1992	Yes
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	91V0008	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	91V0003	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	91V0004	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	91V0005	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	91V0011	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	91V0009	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	91V0010	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	91V0007	Returned to Compliance	01-JUN-1988	31-MAY-1991	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90V0008	Returned to Compliance	01-MAY-1987	30-APR-1991	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
641481	20220016940	SOX	State Compliance achieved	28-MAY-2024	State	-
641481	20220016994	SOX	State Compliance achieved	28-MAY-2024	State	-
615200	20230000203	SOX	State Compliance achieved	24-JAN-2023	State	-
615200	20230000192	SOX	State Compliance achieved	24-JAN-2023	State	-
526425	20180012410	SOX	State Compliance achieved	24-MAY-2019	State	-
519031	20180011587	SOX	State Compliance achieved	15-NOV-2018	State	-
497928	20170010106	SOX	State Compliance achieved	11-JAN-2018	State	-
497928	20170010032	SOX	State Compliance achieved	11-JAN-2018	State	-
471867	20160006701	SIF	State Public Notification received	22-DEC-2016	State	-
471867	20160006702	SIF	State Public Notification received	22-DEC-2016	State	-
292193	20090005678	SOX	State Compliance achieved	28-SEP-2009	State	-
292193	20090005550	SOX	State Compliance achieved	28-SEP-2009	State	-
272794	20090003947	SIA	State Violation/Reminder Notice	22-JUN-2009	State	-
93E0001	93V0002	SIA	State Violation/Reminder Notice	28-OCT-1993	State	-
90E0001	91V0007	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0005	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0004	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0003	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0011	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0009	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	90V0008	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0010	SIA	State Violation/Reminder Notice	08-OCT-1990	State	-
90E0001	91V0008	SIA	State Violation/Reminder Notice	08-OCT-1990	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
OAKLAND HILLS WELL	1891517781	Yes	Well	Ground water	Permanent	Active
OAKLAND HILLS WELL #3	4359753329	Yes	Well	Ground water	Permanent	Active
OAKLAND HILLS WELL	1891617781	Yes	Well	Ground water	Permanent	Active
OAKLAND HILLS PLANT	160796604824	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
OAKLAND HILLS PLANT	160796604824	Hypochlorination, Post	Disinfection

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