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PWS ID	CA0310004
PWS Name	PLYMOUTH, CITY OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	1060
County Served	Amador

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.

Violations

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	Notification, Known or Potential LSL	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	9910022	Open	02-JUL-2025	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	9910021	Returned to Compliance	01-OCT-2021	31-DEC-2021	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9910020	Returned to Compliance	01-AUG-2017	31-AUG-2017	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9910018	Returned to Compliance	01-JUN-2017	30-JUN-2017	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	9910019	Returned to Compliance	01-APR-2017	30-JUN-2017	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9910017	Returned to Compliance	01-DEC-2016	31-DEC-2016	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	9910016	Returned to Compliance	01-APR-2016	30-APR-2016	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	510019	Returned to Compliance	01-JAN-2005	31-JAN-2005	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	510020	Returned to Compliance	01-JAN-2005	31-JAN-2005	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	110018	Returned to Compliance	01-JUL-2001	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	10008	Returned to Compliance	26-JAN-2000	25-JAN-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	10016	Returned to Compliance	25-JAN-2000	24-JAN-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	10012	Returned to Compliance	25-JAN-2000	24-JAN-2001	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9910007	Returned to Compliance	26-JAN-1999	25-JAN-2000	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	9910015	Returned to Compliance	25-JAN-1999	24-JAN-2000	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	9910011	Returned to Compliance	25-JAN-1999	24-JAN-2000	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9810006	Returned to Compliance	26-JAN-1998	25-JAN-1999	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	9810010	Returned to Compliance	25-JAN-1998	24-JAN-1999	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	9810014	Returned to Compliance	25-JAN-1998	24-JAN-1999	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	9710004	Returned to Compliance	01-FEB-1997	28-FEB-1997	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	9710005	Returned to Compliance	26-JAN-1997	25-JAN-1998	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	9710013	Returned to Compliance	25-JAN-1997	24-JAN-1998	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	9710009	Returned to Compliance	25-JAN-1997	24-JAN-1998	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9410002	Returned to Compliance	01-JUL-1994	31-JUL-1994	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9310001	Returned to Compliance	01-JUL-1993	31-JUL-1993	Yes
MR	Initial Tap Sampling for Pb and Cu	Lead and Copper Rule	Lead and Copper Rule	95V0001	Returned to Compliance	01-JUL-1993	01-MAR-2000	No

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9710020	9910021	SOX	State Compliance achieved	02-MAY-2023	State	Compliance have been achieved with the TTHM MCL violation.
9710019	9910020	SOX	State Compliance achieved	22-DEC-2022	State	compliance have been achieved
9710018	9910018	SOX	State Compliance achieved	22-DEC-2022	State	Compliance have been achieved
9710016	9910019	SOX	State Compliance achieved	05-MAY-2020	State	-
9710013	9710013	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710014	9910017	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710014	9910016	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9910015	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9910011	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	10008	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	10012	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	10016	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710015	510019	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710015	510020	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9710005	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9710009	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9810006	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9810010	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9810014	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
9710013	9910007	SOX	State Compliance achieved	16-JUL-2019	State	returned to compliance
210010	110018	SOX	State Compliance achieved	20-NOV-2001	State	ENF_NO:03-10-01C-011;
00E0001	95V0001	EOX	Federal Compliance achieved	01-MAR-2000	ODSWeb	-
9710012	9710004	SOX	State Compliance achieved	28-MAR-1997	State	This TCR violation has been closed with this SOX enforcement record due to rTCR implementation on 4/1/2016.
9510004	9410002	SOX	State Compliance achieved	31-DEC-1994	State	RETURNED TO COMPLIANCE
9510004	9310001	SOX	State Compliance achieved	31-DEC-1994	State	RETURNED TO COMPLIANCE

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
TANNER PLANT TREATED	45690	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL A-3 - INACTIVE	23675	Yes	Well	Ground water	Other	Inactive
WELL A-2 BURKE RANCH-INACTIVE	13657	Yes	Well	Ground water	Other	Inactive
HAWKSVIEW WELL - INACTIVE	13641	Yes	Well	Ground water	Other	Inactive
WELL A - INACTIVE	13611	Yes	Well	Ground water	Other	Inactive
WELL A-2 BURKE RANCH	CA0310004002	Yes	Well	Ground water	Emergency	Inactive
ARROYO DITCH XCLD	CA0310004001	Yes	Reservoir	Surface water	Other	Inactive
ARROYO DITCH - INACTIVE	24825	Yes	Intake	Surface water	Other	Inactive
DISTRIBUTION SYSTEM	24826	No	Distribution System/Zone	-	-	Active
PLYMOUTH WTP - INACTIVE	5793	No	Treatment Plant	-	-	Inactive

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLYMOUTH WTP - INACTIVE	5793	pH Adjustment	Corrosion control
PLYMOUTH WTP - INACTIVE	5793	Filtration, Rapid Sand	Particulate removal
PLYMOUTH WTP - INACTIVE	5793	Sedimentation	Particulate removal
PLYMOUTH WTP - INACTIVE	5793	Flocculation	Particulate removal
PLYMOUTH WTP - INACTIVE	5793	Rapid Mix	Particulate removal
PLYMOUTH WTP - INACTIVE	5793	Coagulation	Particulate removal
PLYMOUTH WTP - INACTIVE	5793	Hypochlorination, Pre	Manganese removal

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For more information on a Water System:
Ask the operators of your water system, contact your primacy agency or file a Freedom of Information Act (FOIA) request.
Drinking water in general: Find out more about your drinking water web site or call the Safe Drinking Water Hotline (1-800-426-4791). EPA has also prepared a table about various regulated drinking water contaminants.
Tools for accessing EPA drinking water data: Safe Drinking Water Information System (SDWIS) Federal Reporting Services and Drinking Water Performance and Results Report.
Research Data: As well as monitoring the levels of drinking water contaminants for which EPA has set standards, EPA, states, and water systems also carry out studies of contaminants that may need to be regulated in the future. For more information about these contaminants, please see the National Contaminant Occurrence Database.

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