Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MS0360017
PWS Name	YOCONA WATER ASSOCIATION, INC.
PWS Type	Community water system
Owner Type	Public/Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	926
County Served	Lafayette

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
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	18903	Open	01-OCT-2025	-	No
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	18888	Returned to Compliance	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	18887	Returned to Compliance	17-OCT-2024	-	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18871	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18869	Returned to Compliance	01-JUL-2012	30-SEP-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18868	Returned to Compliance	01-APR-2012	30-JUN-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18866	Returned to Compliance	01-APR-2012	30-JUN-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18863	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18862	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18858	Returned to Compliance	01-OCT-2011	31-DEC-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18860	Returned to Compliance	01-OCT-2011	31-DEC-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18859	Returned to Compliance	01-OCT-2011	31-DEC-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18854	Returned to Compliance	01-JUL-2011	30-SEP-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18856	Returned to Compliance	01-JUL-2011	30-SEP-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18855	Returned to Compliance	01-JUL-2011	30-SEP-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18846	Returned to Compliance	01-APR-2011	30-JUN-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18848	Returned to Compliance	01-APR-2011	30-JUN-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18847	Returned to Compliance	01-APR-2011	30-JUN-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18842	Returned to Compliance	01-JAN-2011	31-MAR-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18844	Returned to Compliance	01-JAN-2011	31-MAR-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18843	Returned to Compliance	01-JAN-2011	31-MAR-2011	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18838	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18840	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18839	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18834	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18836	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18835	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18850	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18852	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18851	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18830	Returned to Compliance	01-JAN-2010	31-MAR-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18832	Returned to Compliance	01-JAN-2010	31-MAR-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18831	Returned to Compliance	01-JAN-2010	31-MAR-2010	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18826	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18828	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18827	Returned to Compliance	01-OCT-2009	31-DEC-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18822	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18824	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18823	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18818	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18820	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18819	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18814	Returned to Compliance	01-JAN-2009	31-MAR-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18816	Returned to Compliance	01-JAN-2009	31-MAR-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18815	Returned to Compliance	01-JAN-2009	31-MAR-2009	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	18810	Returned to Compliance	01-OCT-2008	31-DEC-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	18812	Returned to Compliance	01-OCT-2008	31-DEC-2008	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-226	18811	Returned to Compliance	01-OCT-2008	31-DEC-2008	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	18865	Returned to Compliance	01-OCT-2008	-	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	14009	Known	01-JUL-2008	30-SEP-2008	No

1 - 50 of 93

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2014416	18887	SIA	State Violation/Reminder Notice	26-FEB-2025	State	-
2014417	18888	SIA	State Violation/Reminder Notice	26-FEB-2025	State	-
2014415	18866	SIF	State Public Notification received	05-MAY-2013	State	-
2014415	18868	SIF	State Public Notification received	05-MAY-2013	State	-
2014415	18869	SIF	State Public Notification received	05-MAY-2013	State	-
2014415	18871	SIF	State Public Notification received	05-MAY-2013	State	-
2014415	18862	SIF	State Public Notification received	05-MAY-2013	State	-
2014415	18863	SIF	State Public Notification received	05-MAY-2013	State	-
2014414	10608	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	10708	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	10808	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	11208	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	11308	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	11408	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	11808	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	11908	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	12008	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	12409	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	12509	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	12609	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13009	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13109	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13209	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13609	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13709	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	13809	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	14209	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	14309	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	14409	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18810	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18811	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18812	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18814	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18815	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18816	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18818	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18819	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18820	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18822	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18823	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18824	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18826	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18827	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18828	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18830	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18831	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18832	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18834	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18835	SOX	State Compliance achieved	30-SEP-2012	State	-
2014414	18836	SOX	State Compliance achieved	30-SEP-2012	State	-

1 - 50 of 92

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL WL001	35587	Yes	Well	Ground water	Interim	Inactive
WELL WL003	35589	Yes	Well	Ground water	Permanent	Active
WELL WL002	35588	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION DS000	38065	No	Distribution System/Zone	-	-	Active
STAGE 2 DBP	43940	No	Distribution System/Zone	-	-	Active
132K GAL GLASS LINED GROUND TANK	42286	No	Storage	-	-	Active
TREATMENT FACILITY TF102	32481	No	Treatment Plant	-	-	Active
TREATMENT FACILITY TF103	32482	No	Treatment Plant	-	-	Inactive
TREATMENT FACILITY TF101	33912	No	Treatment Plant	-	-	Inactive

1 - 9 of 9

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT FACILITY TF102	32481	Inhibitor, Polyphosphate	Corrosion control
TREATMENT FACILITY TF102	32481	Gaseous Chlorination, Post	Disinfection
TREATMENT FACILITY TF103	32482	Inhibitor, Polyphosphate	Corrosion control
TREATMENT FACILITY TF103	32482	Gaseous Chlorination, Post	Disinfection

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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