Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	OK1010414
PWS Name	HUGHES CO. RWD #2
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	1145
County Served	Hughes

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
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126397	Open	01-JUL-2025	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126395	Open	01-JUL-2024	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	126393	Returned to Compliance	02-OCT-2023	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	126392	Returned to Compliance	02-OCT-2022	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126390	Returned to Compliance	01-JUL-2021	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	126389	Returned to Compliance	02-OCT-2020	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	126388	Returned to Compliance	02-DEC-2019	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126385	Returned to Compliance	01-JUL-2017	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	126371	Returned to Compliance	01-MAR-2014	31-MAY-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126372	Returned to Compliance	01-MAR-2014	31-MAY-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	126376	Returned to Compliance	01-DEC-2013	28-FEB-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126377	Returned to Compliance	01-DEC-2013	28-FEB-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126375	Returned to Compliance	01-OCT-2013	30-NOV-2013	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	126374	Returned to Compliance	01-OCT-2013	30-NOV-2013	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	126365	Returned to Compliance	01-JUL-2013	31-JUL-2013	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126378	Returned to Compliance	01-JUL-2013	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	126351	Returned to Compliance	01-JAN-2013	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126328	Returned to Compliance	01-JUL-2012	30-SEP-2012	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	126322	Returned to Compliance	01-JUL-2012	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	126352	Returned to Compliance	01-JUL-2012	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	126323	Returned to Compliance	01-JUN-2012	30-JUN-2012	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	126316	Returned to Compliance	01-MAY-2012	31-MAY-2012	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	126315	Returned to Compliance	01-MAY-2012	31-MAY-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126329	Returned to Compliance	01-APR-2012	30-JUN-2012	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	126311	Returned to Compliance	01-MAR-2012	31-MAR-2012	No
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126318	Returned to Compliance	01-MAR-2012	31-MAR-2012	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126317	Returned to Compliance	01-FEB-2012	29-FEB-2012	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126321	Returned to Compliance	01-FEB-2012	29-FEB-2012	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126314	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126310	Returned to Compliance	01-JAN-2012	31-MAR-2012	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126319	Returned to Compliance	01-JAN-2012	31-JAN-2012	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126313	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126320	Returned to Compliance	01-JAN-2012	31-JAN-2012	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126307	Returned to Compliance	01-JAN-2012	31-MAR-2012	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126312	Returned to Compliance	01-JAN-2012	31-MAR-2012	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126306	Returned to Compliance	01-OCT-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126305	Returned to Compliance	01-OCT-2011	31-DEC-2011	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	126300	Returned to Compliance	01-OCT-2011	-	No
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126298	Returned to Compliance	01-AUG-2011	31-AUG-2011	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126299	Returned to Compliance	01-AUG-2011	31-AUG-2011	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126290	Returned to Compliance	01-JUL-2011	31-JUL-2011	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126295	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	126293	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126304	Returned to Compliance	01-JUL-2011	30-SEP-2011	No
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126294	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	126288	Returned to Compliance	01-JUL-2011	31-JUL-2011	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	126289	Returned to Compliance	01-JUL-2011	31-JUL-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	126287	Returned to Compliance	01-JUN-2011	30-JUN-2011	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	126286	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	126285	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes

1 - 50 of 202

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
9102651	126395	SIA	State Violation/Reminder Notice	12-JUL-2024	State	-
9102645	126392	SOX	State Compliance achieved	27-MAR-2024	State	-
9102644	126393	SOX	State Compliance achieved	27-MAR-2024	State	-
9102646	126390	SOX	State Compliance achieved	27-MAR-2024	State	-
9102647	126389	SOX	State Compliance achieved	27-MAR-2024	State	-
9102648	126388	SOX	State Compliance achieved	27-MAR-2024	State	-
9102649	126385	SOX	State Compliance achieved	27-MAR-2024	State	-
9102631	118300	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102629	45797	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102628	85396	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102632	118401	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102630	118200	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102627	39896	SOX	State Compliance achieved	07-JUL-2016	State	AUTOMATIC RETURN TO COMPLIANCE 7/7/2016 - Violations Should be Closed Out because PWS is in complaince.
9102626	123505	SOX	State Compliance achieved	05-OCT-2015	State	-
9102626	123405	SOX	State Compliance achieved	05-OCT-2015	State	-
9102625	126352	SOX	State Compliance achieved	06-FEB-2015	State	CCR RTC
9102625	126378	SOX	State Compliance achieved	06-FEB-2015	State	CCR RTC
9102623	126375	SOX	State Compliance achieved	04-DEC-2014	State	It was the decision of DEQ to not pursue any TTHMs and HAA5s monitoring from 10-1-2013 through March-31-2014. All violation will be migrated as validated and then return to compliance. ERH 12/03/2014
9102623	126374	SOX	State Compliance achieved	04-DEC-2014	State	It was the decision of DEQ to not pursue any TTHMs and HAA5s monitoring from 10-1-2013 through March-31-2014. All violation will be migrated as validated and then return to compliance. ERH 12/03/2014
9102623	126377	SOX	State Compliance achieved	04-DEC-2014	State	It was the decision of DEQ to not pursue any TTHMs and HAA5s monitoring from 10-1-2013 through March-31-2014. All violation will be migrated as validated and then return to compliance. ERH 12/03/2014
9102623	126376	SOX	State Compliance achieved	04-DEC-2014	State	It was the decision of DEQ to not pursue any TTHMs and HAA5s monitoring from 10-1-2013 through March-31-2014. All violation will be migrated as validated and then return to compliance. ERH 12/03/2014
9102622	126371	SOX	State Compliance achieved	07-OCT-2014	State	Informal monitoring violation- PWS has tested correctly or retested. ERH
9102622	126372	SOX	State Compliance achieved	07-OCT-2014	State	Informal monitoring violation- PWS has tested correctly or retested. ERH
#9102618F	126364	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126363	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126361	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126362	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126360	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126359	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126358	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126357	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#9102618F	126356	SOX	State Compliance achieved	25-APR-2014	ODSWeb	Entered by EPA Region 6 to address ODS incorrect Validation Error ERR00043 - Y5000 was rejected because the water system does not have a Violation matching the Y5000 ID
#999905091407	126365	EOX	Federal Compliance achieved	17-SEP-2013	ODSWeb	Well Samples Collected
82	120004	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120104	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120205	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120305	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120405	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120505	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	120705	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122105	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122305	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122405	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122505	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122806	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	122905	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	123005	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	123105	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	123205	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios
82	123706	SOX	State Compliance achieved	07-JUN-2013	State	TTHM MCL, HAA5 MCL, TOC TT, TCR, turbidity, discharge without a permit, construction vios

1 - 50 of 197

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
FLOOD STR. #20	15648	Yes	Intake	Surface water	Permanent	Inactive
WELL 3	26661	Yes	Well	Ground water	Permanent	Inactive
WELL 8	11238	Yes	Well	Ground water	Permanent	Inactive
WELL 6	26664	Yes	Well	Ground water	Permanent	Active
WELL 5	26663	Yes	Well	Ground water	Permanent	Active
WELL 4	26662	Yes	Well	Ground water	Permanent	Active
WELL 2	26660	Yes	Well	Ground water	Permanent	Active
WELL 1	26659	Yes	Well	Ground water	Permanent	Active
WELL 9	11237	Yes	Well	Ground water	Other	Inactive
WELL 7	11236	Yes	Well	Ground water	Other	Inactive
DISTRIBUTION SYSTEM	17196	No	Distribution System/Zone	-	-	Active
HWY 270 BOOSTER STATION	27244	No	Pump Facility	-	-	Active
HALL LOOP BOOSTER STATION	27245	No	Pump Facility	-	-	Active
GARVIN BOOSTER STATION	27246	No	Pump Facility	-	-	Inactive
POE01 - WTP	22269	No	Sampling Station	-	-	Inactive
TOC RAW	23062	No	Sampling Station	-	-	Inactive
BOHANNON TOWER	26137	No	Storage	-	-	Active
STUART TOWER	26138	No	Storage	-	-	Active
CLEARWELL AT PLANT	26136	No	Storage	-	-	Inactive
HICKORY HILLS TOWER	26139	No	Storage	-	-	Inactive
CL2 STATION AND AERATION WELLS 1-6	26665	No	Treatment Plant	-	-	Active
HUGHES CO RWD #2 WTP	10823	No	Treatment Plant	-	-	Inactive

1 - 22 of 22

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
HUGHES CO RWD #2 WTP	10823	Coagulation	Particulate removal
HUGHES CO RWD #2 WTP	10823	Sedimentation	Particulate removal
HUGHES CO RWD #2 WTP	10823	Hypochlorination, Post	Disinfection
HUGHES CO RWD #2 WTP	10823	Filtration, Rapid Sand	Particulate removal
HUGHES CO RWD #2 WTP	10823	pH Adjustment	Corrosion control
HUGHES CO RWD #2 WTP	10823	Lime - Soda Ash Addition	Softening (hardness removal)
HUGHES CO RWD #2 WTP	10823	Gaseous Chlorination, Pre	Disinfection
HUGHES CO RWD #2 WTP	10823	Permanganate	Iron removal
CL2 STATION AND AERATION WELLS 1-6	26665	Hypochlorination, Post	Disinfection
CL2 STATION AND AERATION WELLS 1-6	26665	pH Adjustment	Corrosion control
CL2 STATION AND AERATION WELLS 1-6	26665	Aeration, Packed Tower	Taste / odor control

1 - 11 of 11

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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