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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
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	829837	Returned to Compliance	01-JAN-2026	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	54813	Returned to Compliance	01-APR-2018	30-JUN-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	54322	Returned to Compliance	01-JAN-2018	31-MAR-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	35408	Returned to Compliance	30-NOV-2007	26-JAN-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	97	Returned to Compliance	20-JUN-2003	07-DEC-2005	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	108	Known	01-MAY-2000	31-MAY-2000	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	110	Known	01-JUN-1993	30-JUN-1993	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	109	Known	01-MAY-1992	31-MAY-1992	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
829838SOX	829837	SOX	State Compliance achieved	09-JAN-2026	State	-
703420	54813	SOX	State Compliance achieved	02-APR-2020	State	-
746517SOX	54322	SOX	State Compliance achieved	02-APR-2020	State	-
345370	35408	SOX	State Compliance achieved	26-JAN-2009	State	-
239397	97	SOX	State Compliance achieved	17-FEB-2006	State	-
77816	108	SIF	State Public Notification received	15-JUL-2000	State	-
77822	110	SFJ	State Formal Notice of Violation issued	15-JUL-1993	State	-
77819	109	SFJ	State Formal Notice of Violation issued	15-JUN-1992	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
Interconnect - Mounds View	22	Yes	Consecutive Connection	Ground water	Emergency	Active
Well #5	5	Yes	Well	Ground water	Permanent	Active
Well #4	4	Yes	Well	Ground water	Permanent	Active
Well #2	2	Yes	Well	Ground water	Permanent	Active
Well #1	1	Yes	Well	Ground water	Permanent	Active
Interconnect - Blaine	23	Yes	Consecutive Connection	Ground water	Emergency	Active
Distribution System	17	No	Distribution System/Zone	-	-	Active
Terrace Park Treatment Plant	20	No	Treatment Plant	-	-	Active
Arthur Street Treatment Plant	21	No	Treatment Plant	-	-	Active
WELL #5 ENTRY POINT	11	No	Treatment Plant	-	-	Inactive
WELL #1 ENTRY POINT	6	No	Treatment Plant	-	-	Inactive
WELL #2 ENTRY POINT	7	No	Treatment Plant	-	-	Inactive
WELL #4 ENTRY POINT	9	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL #5 ENTRY POINT	11	Gaseous Chlorination, Post	Disinfection
WELL #5 ENTRY POINT	11	Fluoridation	Other
Terrace Park Treatment Plant	20	Gaseous Chlorination, Post	Disinfection
Terrace Park Treatment Plant	20	Fluoridation	Other
Terrace Park Treatment Plant	20	Permanganate	Iron removal
Terrace Park Treatment Plant	20	Filtered	Iron removal
Terrace Park Treatment Plant	20	Permanganate	Manganese removal
Terrace Park Treatment Plant	20	Filtered	Manganese removal
Terrace Park Treatment Plant	20	Gaseous Chlorination, Pre	Radionuclides removal
Terrace Park Treatment Plant	20	Permanganate	Radionuclides removal
Terrace Park Treatment Plant	20	Filtered	Radionuclides removal
Terrace Park Treatment Plant	20	Innovative	Other
Arthur Street Treatment Plant	21	Fluoridation	Other
Arthur Street Treatment Plant	21	Gaseous Chlorination, Post	Disinfection
Arthur Street Treatment Plant	21	Filtered	Iron removal
Arthur Street Treatment Plant	21	Permanganate	Iron removal
Arthur Street Treatment Plant	21	Filtered	Manganese removal
Arthur Street Treatment Plant	21	Permanganate	Manganese removal
Arthur Street Treatment Plant	21	Filtered	Radionuclides removal
Arthur Street Treatment Plant	21	Permanganate	Radionuclides removal
Arthur Street Treatment Plant	21	Gaseous Chlorination, Pre	Radionuclides removal
Arthur Street Treatment Plant	21	Innovative	Other
WELL #1 ENTRY POINT	6	Gaseous Chlorination, Post	Disinfection
WELL #1 ENTRY POINT	6	Fluoridation	Other
WELL #2 ENTRY POINT	7	Gaseous Chlorination, Post	Disinfection
WELL #2 ENTRY POINT	7	Fluoridation	Other
WELL #4 ENTRY POINT	9	Gaseous Chlorination, Post	Disinfection
WELL #4 ENTRY POINT	9	Fluoridation	Other

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