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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	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7080590	Returned to Compliance	12-OCT-2025	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7080591	Returned to Compliance	12-OCT-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7080588	Returned to Compliance	01-JAN-2024	31-DEC-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7080589	Returned to Compliance	01-JAN-2024	31-DEC-2024	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	7080582	Returned to Compliance	01-MAR-2020	31-MAR-2020	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	7080583	Returned to Compliance	01-JAN-2020	31-MAR-2020	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	402	Known	01-MAY-2002	31-MAY-2002	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	5466602	Known	01-FEB-2002	28-FEB-2002	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	5279201	Known	01-NOV-2000	30-NOV-2000	No
TT	WQP Entry Point/Tap Treatment Technique Non-Compliance	Lead and Copper Rule	Lead and Copper Rule	5227300	Returned to Compliance	01-JUL-2000	30-SEP-2000	Yes
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	4848399	Returned to Compliance	01-JAN-1999	30-JUN-1999	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7080580	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
8836116	7080589	SIF	State Public Notification received	02-DEC-2025	State	-
8836118	7080588	SIF	State Public Notification received	02-DEC-2025	State	-
8836113	7080590	SIA	State Violation/Reminder Notice	24-NOV-2025	State	-
8836114	7080591	SIA	State Violation/Reminder Notice	24-NOV-2025	State	-
8836106	7080582	SIF	State Public Notification received	14-MAY-2020	State	-
8836105	7080583	SIF	State Public Notification received	14-MAY-2020	State	-
403	402	SIF	State Public Notification received	28-JAN-2003	State	-
215502	5466602	SIE	State Public Notification requested	22-APR-2002	State	-
489201	5279201	SIE	State Public Notification requested	15-JAN-2001	State	-
414201	5227300	SOX	State Compliance achieved	31-DEC-2000	State	-
8836100	4848399	SOX	State Compliance achieved	31-DEC-1999	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
WELL 1 (45146)	21237	Yes	Well	Ground water	Permanent	Active
WELL 3 (01933)	40169	Yes	Well	Ground water	Permanent	Active
WELL 2 (45147)	21238	Yes	Well	Ground water	Permanent	Active
BISMARCK COMMUNITY WATER DIST.	25190	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45454	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45455	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	28849	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	31271	No	Sampling Station	-	-	Active
ELEV1 - 50,000 GALLON ELEVATED TANK	46488	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11829	No	Storage	-	-	Inactive
TP 01-WTP	17393	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-WTP	17393	Fluoridation	Other
TP 01-WTP	17393	Hypochlorination, Pre	Disinfection
TP 01-WTP	17393	Hypochlorination, Post	Disinfection
TP 01-WTP	17393	Fluoridation	Disinfection
TP 01-WTP	17393	Filtration, Rapid Sand	Iron removal
TP 01-WTP	17393	Aeration, Slat Tray	Iron removal
TP 01-WTP	17393	Inhibitor, Orthophosphate	Corrosion control

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