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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
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	448809	Returned to Compliance	01-JUN-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	448708	Returned to Compliance	01-DEC-2007	31-DEC-2007	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	448606	Returned to Compliance	01-NOV-2005	30-NOV-2005	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	448402	Returned to Compliance	01-DEC-2001	31-DEC-2001	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	104099	Returned to Compliance	01-OCT-1998	31-OCT-1998	Yes
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	448398	Returned to Compliance	01-JAN-1998	-	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	101994	Known	01-OCT-1993	31-OCT-1993	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	102094	Known	01-OCT-1993	31-OCT-1993	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	1V85	Returned to Compliance	01-OCT-1983	30-SEP-1987	Yes

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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
9999900000000000001	1V85	EOX	Federal Compliance achieved	01-JAN-2021	ODSWeb	Part of data clean-up on Nebraska's legacy violations.
2080114	448809	SOX	State Compliance achieved	30-JUN-2010	State	Administrative RTC
2080113	448708	SOX	State Compliance achieved	30-DEC-2008	State	Administrative RTC
2080112	448606	SOX	State Compliance achieved	30-NOV-2006	State	Administrative RTC
2079103	448398	SOX	State Compliance achieved	01-MAY-2003	State	-
2080111	448402	SOX	State Compliance achieved	31-DEC-2002	State	Administrative RTC
2080110	104099	SOX	State Compliance achieved	31-OCT-1999	State	Administrative RTC
5094	102094	SIE	State Public Notification requested	03-NOV-1993	State	-
5094	101994	SIE	State Public Notification requested	03-NOV-1993	State	-

• 1 - 9 of 9

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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 821	2494	Yes	Well	Ground water	Emergency	Active
WELL 20011	8701	Yes	Well	Ground water	Permanent	Active
WELL 871	6130	Yes	Well	Ground water	Permanent	Active
WELL 872	6129	Yes	Well	Ground water	Permanent	Active
WELL 851	5812	Yes	Well	Ground water	Permanent	Active
WELL 2023-1	15935	Yes	Well	Ground water	Permanent	Active
WELL 20132	14190	Yes	Well	Ground water	Permanent	Active
WELL 20131	14189	Yes	Well	Ground water	Permanent	Active
WELL 20031	11406	Yes	Well	Ground water	Permanent	Active
WELL 781	6131	Yes	Well	Ground water	Other	Inactive
WELL 601	3333	Yes	Well	Ground water	Other	Inactive
WELL 721	2892	Yes	Well	Ground water	Other	Inactive
TEST WELL 2022-1	15719	Yes	Well	Ground water	Other	Inactive
DISTRIBUTION SYSTEM	1651	No	Distribution System/Zone	-	-	Active
WELL 20031PX	10751	No	Other	-	-	Inactive
POE 011	14098	No	Sampling Station	-	-	Inactive
GROUND TANK	14768	No	Storage	-	-	Active
WATER TOWER	6675	No	Storage	-	-	Active
TREATMENT PLANT 002	14769	No	Treatment Plant	-	-	Active
WELL 821 TREATMENT	9592	No	Treatment Plant	-	-	Active
WELL 851 TREATMENT	9593	No	Treatment Plant	-	-	Active
TREATMENT PLANT 001P	11313	No	Treatment Plant	-	-	Inactive
TREATMENT PLANT 001	14081	No	Treatment Plant	-	-	Inactive
WELL 20011 TREATMENT	14435	No	Treatment Plant	-	-	Inactive
WELL 20031 TREATMENT	14436	No	Treatment Plant	-	-	Inactive
WELL 781 TREATMENT	9591	No	Treatment Plant	-	-	Inactive
WELL 871 TREATMENT	9594	No	Treatment Plant	-	-	Inactive
WELL 872 TREATMENT	9595	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT 001	14081	Hypochlorination, Post	Disinfection
TREATMENT PLANT 001	14081	Sequestration	Corrosion control
WELL 20011 TREATMENT	14435	Fluoridation	Other
WELL 20031 TREATMENT	14436	Fluoridation	Other
TREATMENT PLANT 002	14769	Hypochlorination, Post	Disinfection
TREATMENT PLANT 002	14769	Sequestration	Corrosion control
TREATMENT PLANT 002	14769	Fluoridation	Other
WELL 781 TREATMENT	9591	Fluoridation	Other
WELL 821 TREATMENT	9592	Hypochlorination, Post	Disinfection
WELL 821 TREATMENT	9592	Sequestration	Corrosion control
WELL 821 TREATMENT	9592	Fluoridation	Other
WELL 851 TREATMENT	9593	Sequestration	Corrosion control
WELL 851 TREATMENT	9593	Hypochlorination, Post	Disinfection
WELL 851 TREATMENT	9593	Fluoridation	Other
WELL 871 TREATMENT	9594	Fluoridation	Other
WELL 872 TREATMENT	9595	Fluoridation	Other

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