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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
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	631	Returned to Compliance	01-OCT-2023	-	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	628	Returned to Compliance	01-JAN-2017	31-DEC-2019	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	613	Returned to Compliance	01-APR-2012	30-APR-2012	Yes
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	618	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	617	Returned to Compliance	01-JAN-2011	31-DEC-2013	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	624	Returned to Compliance	01-JAN-2008	31-DEC-2016	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	626	Returned to Compliance	01-JAN-2008	31-DEC-2016	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	625	Returned to Compliance	01-JAN-2008	31-DEC-2016	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	199	Known	01-JUL-1999	31-JUL-1999	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
1610	631	EOX	Federal Compliance achieved	11-NOV-2023	Region	-
1607	628	EOX	Federal Compliance achieved	17-MAR-2021	Region	-
1603	624	EOX	Federal Compliance achieved	01-FEB-2017	Region	-
1603	626	EOX	Federal Compliance achieved	01-FEB-2017	Region	-
1603	625	EOX	Federal Compliance achieved	01-FEB-2017	Region	-
1602	618	EOX	Federal Compliance achieved	02-MAY-2016	Region	-
1602	617	EOX	Federal Compliance achieved	02-MAY-2016	Region	-
1601	613	EOX	Federal Compliance achieved	16-MAY-2012	Region	-
1199	199	EIF	Federal Public Notification received from PWS	24-SEP-1999	Region	-

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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
WELL #6	1636	Yes	Well	Ground water	Permanent	Active
LAC DU FLAMBEAU WL#5	1310	Yes	Well	Ground water	Permanent	Inactive
LAC DU FLAMBEAU WL#4	1309	Yes	Well	Ground water	Permanent	Inactive
LAC DU FLAMBEAU WL#3	1308	Yes	Well	Ground water	Permanent	Inactive
LAC DU FLAMBEAU WL#2	1307	Yes	Well	Ground water	Permanent	Inactive
LAC DU FLAMBEAU WL#1	1306	Yes	Well	Ground water	Permanent	Inactive
WELL #10	1640	Yes	Well	Ground water	Permanent	Active
WELL #9	1639	Yes	Well	Ground water	Permanent	Active
WELL #8	1638	Yes	Well	Ground water	Permanent	Active
WELL #7	1637	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	904	No	Distribution System/Zone	-	-	Active
SAMPLING SITE # 1	1765	No	Sampling Station	-	-	Active
SAMPLING SITE # 2	1766	No	Sampling Station	-	-	Active
ENTRY POINT #2	901	No	Sampling Station	-	-	Active
ENTRY POINT #1	902	No	Sampling Station	-	-	Active
TREATMENT PLANT #1	125	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT #1	125	Hypochlorination, Post	Disinfection
TREATMENT PLANT #1	125	pH Adjustment	Corrosion control

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