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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	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	4792610	Returned to Compliance	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	4792609	Returned to Compliance	17-OCT-2024	-	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4792605	Returned to Compliance	01-DEC-2008	31-DEC-2008	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	4792604	Returned to Compliance	17-MAY-2004	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	604	Returned to Compliance	01-DEC-2003	31-DEC-2003	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	503	Returned to Compliance	01-JAN-2003	31-MAR-2003	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	402	Returned to Compliance	01-JUL-2001	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	399	Returned to Compliance	01-JAN-1999	31-JAN-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	297	Returned to Compliance	01-OCT-1996	31-OCT-1996	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
706711	4792609	SOX	State Compliance achieved	18-NOV-2024	State	-
706712	4792610	SOX	State Compliance achieved	18-NOV-2024	State	-
706706	4792605	SIF	State Public Notification received	11-JAN-2011	State	-
1	4792604	SOX	State Compliance achieved	17-APR-2010	State	Type 76 old PN violation migrated by GEC without the originating violation is linked to SOX and SO6 to resolve the EPA SNCs
706702	402	SOX	State Compliance achieved	01-AUG-2006	State	SDWIS CCR VIOLATIONS WITHOUT SOX ENF ACTIONS GENERATED BY GEC
2304	399	SOX	State Compliance achieved	31-JUL-2004	State	-Old ESN: 16593
2304	604	SOX	State Compliance achieved	31-JUL-2004	State	-Old ESN: 16593
1903	503	SOX	State Compliance achieved	21-MAY-2003	State	-Old ESN: 21148
706707	297	SOX	State Compliance achieved	29-FEB-2000	State	Migrated by MTS 3.0 on 06-16-2016

• 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
PLYMOUTH TOWN OF	40634	Yes	Consecutive Connection	Ground water	Emergency	Active
WELL #3	37148	Yes	Well	Ground water	Permanent	Active
WELL #2	37147	Yes	Well	Ground water	Permanent	Active
WELL #1	37146	Yes	Well	Ground water	Permanent	Active
ROPER TOWN OF	40635	Yes	Consecutive Connection	Ground water	Emergency	Active
CRESWELL TOWN OF	40636	Yes	Consecutive Connection	Ground water	Emergency	Active
PLYMOUTH TOWN OF	66825	Yes	Consecutive Connection	Ground water	Emergency	Active
PLYMOUTH TOWN OF	66826	Yes	Consecutive Connection	Ground water	Emergency	Active
PLYMOUTH TOWN OF	66827	Yes	Consecutive Connection	Ground water	Emergency	Active
ROPER TOWN OF	66828	Yes	Consecutive Connection	Ground water	Emergency	Active
ROPER TOWN OF	66829	Yes	Consecutive Connection	Ground water	Emergency	Active
CRESWELL TOWN OF	66830	Yes	Consecutive Connection	Ground water	Emergency	Active
CRESWELL TOWN OF	66831	Yes	Consecutive Connection	Ground water	Emergency	Active
CRESWELL TOWN OF	66832	Yes	Consecutive Connection	Ground water	Emergency	Active
COMMON HEADER	66780	No	Common Headers	-	-	Active
DISTRIBUTION SYSTEM	61587	No	Distribution System/Zone	-	-	Active
STORAGE_ELEVATED	305	No	Storage	-	-	Active
STORAGE_GROUND	445	No	Storage	-	-	Active
TREATMENT_PLT_WASHINGTON WTP	7916	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT_PLT_WASHINGTON WTP	7916	Aeration, Packed Tower	Taste / odor control
TREATMENT_PLT_WASHINGTON WTP	7916	Ion Exchange	Softening (hardness removal)
TREATMENT_PLT_WASHINGTON WTP	7916	Chloramines	Disinfection by-products control
TREATMENT_PLT_WASHINGTON WTP	7916	Inhibitor, Polyphosphate	Corrosion control
TREATMENT_PLT_WASHINGTON WTP	7916	Gaseous Chlorination, Post	Disinfection
TREATMENT_PLT_WASHINGTON WTP	7916	Gaseous Chlorination, Pre	Disinfection

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