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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	OK1021640
PWS Name	MAYES CO RWD # 3
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	2400
County Served	Mayes

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
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292519	Known	01-JUL-2025	30-SEP-2025	Yes
RPT	LSL Reporting	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	292518	Returned to Compliance	17-OCT-2024	-	No
TT	LSL Inventory	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	292517	Returned to Compliance	17-OCT-2024	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	292515	Returned to Compliance	01-OCT-2024	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	292513	Returned to Compliance	01-APR-2024	30-JUN-2024	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	292508	Returned to Compliance	01-SEP-2021	30-SEP-2021	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292502	Returned to Compliance	29-SEP-2019	-	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292503	Returned to Compliance	29-SEP-2019	-	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	292479	Returned to Compliance	01-JUL-2016	30-SEP-2016	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	292478	Returned to Compliance	01-APR-2016	30-JUN-2016	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	292477	Returned to Compliance	01-JAN-2016	31-MAR-2016	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	292468	Returned to Compliance	01-OCT-2015	31-DEC-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292467	Returned to Compliance	01-OCT-2015	31-DEC-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292463	Returned to Compliance	01-JUL-2015	30-SEP-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292460	Returned to Compliance	01-APR-2015	30-JUN-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292459	Returned to Compliance	01-JAN-2015	31-MAR-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292456	Returned to Compliance	01-JAN-2015	31-MAR-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292451	Returned to Compliance	01-OCT-2014	31-DEC-2014	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292453	Returned to Compliance	01-OCT-2014	31-DEC-2014	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	292447	Returned to Compliance	01-JUL-2014	30-SEP-2014	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292445	Returned to Compliance	01-JUL-2014	30-SEP-2014	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	292480	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	292481	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	292482	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	292483	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	292484	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	292485	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	292486	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	292487	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	292488	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	292489	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	292500	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	292499	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	292498	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	292497	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	292496	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	292495	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	292494	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	292493	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	292492	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	292491	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	292490	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292441	Returned to Compliance	01-JAN-2013	31-MAR-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292440	Returned to Compliance	01-OCT-2012	31-DEC-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292439	Returned to Compliance	01-JUL-2012	30-SEP-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292438	Returned to Compliance	01-APR-2012	30-JUN-2012	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	292436	Returned to Compliance	01-JAN-2010	31-JAN-2010	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	292435	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	292411	Returned to Compliance	01-JUL-2008	30-SEP-2008	Yes
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	292410	Returned to Compliance	01-JAN-2007	31-DEC-2007	No

1 - 50 of 52

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1532	292519	SIF	State Public Notification received	26-NOV-2025	State	-
1528	292517	SOX	State Compliance achieved	05-SEP-2025	State	-
1529	292518	SOX	State Compliance achieved	05-SEP-2025	State	-
1527	292515	SOX	State Compliance achieved	11-JUL-2025	State	-
1518	292513	SIF	State Public Notification received	30-OCT-2024	State	-
1506	292508	SIF	State Public Notification received	04-APR-2023	State	PN performed via CCR. Dates used to prevent creation of unneeded violations.
1499	292503	SOX	State Compliance achieved	16-DEC-2019	State	-
1500	292502	SOX	State Compliance achieved	16-DEC-2019	State	-
1495	292479	SOX	State Compliance achieved	16-APR-2018	State	-
1495	292478	SOX	State Compliance achieved	16-APR-2018	State	-
1495	292477	SOX	State Compliance achieved	16-APR-2018	State	-
1494	292485	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292500	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292499	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292498	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292497	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292496	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292495	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292494	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292493	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292492	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292491	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292490	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292489	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292488	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292487	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292486	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292484	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292483	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292482	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292481	SOX	State Compliance achieved	02-NOV-2017	State	-
1494	292480	SOX	State Compliance achieved	02-NOV-2017	State	-
1491	292460	SOX	State Compliance achieved	13-OCT-2017	State	-
1492	292463	SOX	State Compliance achieved	13-OCT-2017	State	-
1489	292447	SOX	State Compliance achieved	13-OCT-2017	State	-
1489	292451	SOX	State Compliance achieved	13-OCT-2017	State	-
1493	292467	SOX	State Compliance achieved	13-OCT-2017	State	-
1490	292456	SOX	State Compliance achieved	13-OCT-2017	State	-
1490	292459	SOX	State Compliance achieved	13-OCT-2017	State	-
1489	292445	SOX	State Compliance achieved	13-OCT-2017	State	-
1493	292468	SOX	State Compliance achieved	13-OCT-2017	State	-
1489	292453	SOX	State Compliance achieved	13-OCT-2017	State	-
1438	292438	SOX	State Compliance achieved	28-JUN-2013	State	HAA5 MCL IN COMPLIANCE PN PROOF OF PN ACHIEVED
1438	292439	SOX	State Compliance achieved	28-JUN-2013	State	HAA5 MCL IN COMPLIANCE PN PROOF OF PN ACHIEVED
1438	292441	SOX	State Compliance achieved	28-JUN-2013	State	HAA5 MCL IN COMPLIANCE PN PROOF OF PN ACHIEVED
1438	292440	SOX	State Compliance achieved	28-JUN-2013	State	HAA5 MCL IN COMPLIANCE PN PROOF OF PN ACHIEVED
1428	292436	SOX	State Compliance achieved	12-SEP-2012	State	In Compliance PN Response to NOV AchievedTurbidity treatment technique violations - for January 2010.
1421	292435	SOX	State Compliance achieved	03-MAR-2010	State	TOC MONITORING VIOLATION SEPTEMBER 2009PN ACHIEVED. SUBSEQUENT SAMPLES HAVE BEEN TAKEN
1417	292410	SOX	State Compliance achieved	11-FEB-2010	State	Closed out violation
1412	292411	SOX	State Compliance achieved	18-MAR-2009	State	System is now in compliance and has acheived PN and Written Response

1 - 50 of 52

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
GRAND LAKE	15912	Yes	Intake	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	17356	No	Distribution System/Zone	-	-	Active
POE01 - WTP	22575	No	Sampling Station	-	-	Active
TOC RAW	23228	No	Sampling Station	-	-	Active
EST ON HWY 28 TIA JUANNA	22759	No	Storage	-	-	Active
CHEROKEE LAKE STANDPIPE	22760	No	Storage	-	-	Active
TREATMENT PLANT STORAGE TANK	26452	No	Storage	-	-	Active
GRAY HOLLOW STORAGE TANK	26453	No	Storage	-	-	Active
MAYES CO RWD #3 WTP	11014	No	Treatment Plant	-	-	Active

1 - 9 of 9

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
MAYES CO RWD #3 WTP	11014	Hypochlorination, Post	Disinfection
MAYES CO RWD #3 WTP	11014	pH Adjustment, Pre	Particulate removal
MAYES CO RWD #3 WTP	11014	Filtration, Rapid Sand	Particulate removal

1 - 3 of 3

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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