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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
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	903121435	Returned to Compliance	01-JAN-2025	31-JAN-2025	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	903121434	Returned to Compliance	01-JAN-2024	31-DEC-2024	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	903121427	Returned to Compliance	01-APR-2023	30-APR-2023	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	903121417	Returned to Compliance	01-DEC-2014	31-DEC-2014	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	903121419	Returned to Compliance	01-DEC-2014	31-DEC-2014	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	903121418	Returned to Compliance	01-DEC-2014	31-DEC-2014	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	903121420	Returned to Compliance	01-DEC-2014	31-DEC-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	903121421	Returned to Compliance	01-OCT-2014	31-DEC-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	903121422	Returned to Compliance	01-OCT-2014	31-DEC-2014	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	903121415	Returned to Compliance	01-JUL-2011	31-JUL-2011	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	903121414	Returned to Compliance	01-JAN-2011	-	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	3121410	Returned to Compliance	01-DEC-2009	31-DEC-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	3121309	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3121409	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3121209	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	32698	Returned to Compliance	01-NOV-1997	30-NOV-1997	No
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	216596	Returned to Compliance	01-FEB-1996	29-FEB-1996	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrate	675896	Returned to Compliance	01-JAN-1996	31-DEC-1996	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	60696	Returned to Compliance	01-DEC-1995	31-DEC-1995	No
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	522295	Known	01-JUN-1995	30-JUN-1995	Yes
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	472794	Returned to Compliance	01-JUL-1994	-	No
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	424994	Returned to Compliance	01-JAN-1994	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3120993	Returned to Compliance	01-APR-1993	30-APR-1993	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2367592	Returned to Compliance	01-AUG-1992	31-AUG-1992	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2317692	Returned to Compliance	01-JUL-1992	31-JUL-1992	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1429091	Returned to Compliance	01-AUG-1991	31-AUG-1991	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1382491	Returned to Compliance	01-JUL-1991	31-JUL-1991	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	6532180	Known	01-JUN-1976	31-MAY-1980	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	6532380	Known	01-JUN-1976	31-MAY-1980	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
8939315	903121434	SOX	State Compliance achieved	30-MAY-2025	State	-
8939314	903121435	SOX	State Compliance achieved	06-MAR-2025	State	-
8939312	903121427	SOX	State Compliance achieved	10-JUN-2023	State	-
8939311	903121422	SOX	State Compliance achieved	08-APR-2015	State	-
8939311	903121421	SOX	State Compliance achieved	08-APR-2015	State	-
8939310	903121417	SOX	State Compliance achieved	05-FEB-2015	State	-
8939309	903121420	SOX	State Compliance achieved	05-FEB-2015	State	-
8939309	903121419	SOX	State Compliance achieved	05-FEB-2015	State	-
8939309	903121418	SOX	State Compliance achieved	05-FEB-2015	State	-
8939308	903121414	SOX	State Compliance achieved	06-NOV-2012	State	-
8939299	903121415	SOX	State Compliance achieved	06-SEP-2011	State	-
8939302	3121410	SIA	State Violation/Reminder Notice	25-JAN-2010	State	-
8939301	3121309	SIA	State Violation/Reminder Notice	28-SEP-2009	State	-
8939301	3121409	SIA	State Violation/Reminder Notice	28-SEP-2009	State	-
6	3121209	SOX	State Compliance achieved	04-SEP-2009	State	-
10	216596	SOX	State Compliance achieved	01-JAN-2007	State	-
3	2317692	SOX	State Compliance achieved	06-AUG-2001	State	-
2	1429091	SOX	State Compliance achieved	06-AUG-2001	State	-
1	60696	SOX	State Compliance achieved	06-AUG-2001	State	-
4	2367592	SOX	State Compliance achieved	06-AUG-2001	State	-
5	3120993	SOX	State Compliance achieved	06-AUG-2001	State	-
9	1382491	SOX	State Compliance achieved	06-AUG-2001	State	-
8923301	32698	SOX	State Compliance achieved	20-JUN-2001	State	VALIDATED Reported late
8923701	675896	SOX	State Compliance achieved	15-JUN-2001	State	VALIDATED Report received
8895596	472794	SOX	State Compliance achieved	08-SEP-1994	State	VALIDATED 2ND RD LEAD/COPPER RECVD
8939296	424994	SOX	State Compliance achieved	08-SEP-1994	State	VALIDATED 1ST RD LEAD/COPPER RECVD

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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
MOLALLA RIVER	11803	Yes	Intake	Surface water	Permanent	Active
COMMON HEADER FOR WTP-A	19280	No	Common Headers	-	-	Active
DISTRIBUTION SYSTEM	7125	No	Distribution System/Zone	-	-	Active
EP FOR MOLALLA RIVER	12284	No	Sampling Station	-	-	Active
TP FOR MOLALLA RIVER	268	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP FOR MOLALLA RIVER	268	Innovative	Corrosion control
TP FOR MOLALLA RIVER	268	Filtration, Rapid Sand	Particulate removal
TP FOR MOLALLA RIVER	268	Rapid Mix	Particulate removal
TP FOR MOLALLA RIVER	268	Coagulation	Particulate removal
TP FOR MOLALLA RIVER	268	Hypochlorination, Post	Disinfection
TP FOR MOLALLA RIVER	268	Sedimentation	Particulate removal

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