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PWS ID	CA2610004
PWS Name	JUNE LAKE PUD - DOWN CANYON
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	2810
County Served	Mono

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	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	9913018	Open	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	9913017	Open	17-OCT-2024	-	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9913016	Known	01-JUN-2023	30-JUN-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9913015	Known	01-MAY-2023	31-MAY-2023	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	113014	Returned to Compliance	01-MAY-2001	31-MAY-2001	Yes
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	13012	Returned to Compliance	01-MAY-2000	31-MAY-2000	Yes
Other	Notification, State	Total Coliform Rule	Coliform (TCR)	13003	Returned to Compliance	01-JAN-2000	31-JAN-2000	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	13002	Returned to Compliance	01-JAN-2000	31-JAN-2000	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	13001	Returned to Compliance	01-JAN-2000	31-JAN-2000	Yes
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9913011	Returned to Compliance	01-MAY-1999	31-MAY-1999	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9813010	Returned to Compliance	01-JUN-1998	30-JUN-1998	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9813008	Returned to Compliance	01-MAY-1998	31-MAY-1998	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9813007	Returned to Compliance	01-APR-1998	30-APR-1998	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9713004	Returned to Compliance	01-MAY-1997	31-MAY-1997	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9713006	Returned to Compliance	01-APR-1997	30-APR-1997	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	9713005	Returned to Compliance	01-JAN-1997	31-JAN-1997	No
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

1 - 17 of 17

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9813009	9913015	SFL	State Administrative/Compliance Order without penalty issued	12-JUL-2023	State	-
9813009	9913016	SFL	State Administrative/Compliance Order without penalty issued	12-JUL-2023	State	-
9813006	113014	SOX	State Compliance achieved	12-JUL-2001	State	-
9813005	9713004	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9913011	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9813010	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9813008	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	13012	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9713005	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9713006	SOX	State Compliance achieved	07-SEP-2000	State	-
9813005	9813007	SOX	State Compliance achieved	07-SEP-2000	State	-
113012	13003	SOX	State Compliance achieved	20-MAR-2000	State	PUBLIC NOTIFICATION PROVIDED
113012	13002	SOX	State Compliance achieved	20-MAR-2000	State	PUBLIC NOTIFICATION PROVIDED
113012	13001	SOX	State Compliance achieved	20-MAR-2000	State	PUBLIC NOTIFICATION PROVIDED
00E0001	95V0001	EOX	Federal Compliance achieved	01-MAR-2000	ODSWeb	-

1 - 15 of 15

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CLARK PLANT - RAW	29310	Yes	Intake	Surface water	Permanent	Active
PETERSON PLANT - RAW	29312	Yes	Intake	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	29311	No	Distribution System/Zone	-	-	Active
CLARK PLANT - TREATED	4225	No	Treatment Plant	-	-	Active
PETERSON PLANT - TREATED	4226	No	Treatment Plant	-	-	Active

1 - 5 of 5

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
CLARK PLANT - TREATED	4225	Gaseous Chlorination, Post	Disinfection
CLARK PLANT - TREATED	4225	Filtered	Particulate removal
PETERSON PLANT - TREATED	4226	Gaseous Chlorination, Post	Disinfection
PETERSON PLANT - TREATED	4226	Filtered	Particulate removal

1 - 4 of 4

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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