Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	TX1600001
PWS Name	CITY OF MASON
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	2228
County Served	Mason

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	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	90067807	Open	30-DEC-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	90067803	Open	01-JUL-2025	-	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	90067792	Open	27-NOV-2024	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067779	Returned to Compliance	01-OCT-2022	31-DEC-2022	Yes
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	90067777	Returned to Compliance	01-JUL-2022	31-DEC-2022	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067776	Returned to Compliance	01-APR-2022	30-JUN-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067775	Returned to Compliance	01-JAN-2022	31-MAR-2022	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067773	Returned to Compliance	01-OCT-2021	31-DEC-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067769	Returned to Compliance	01-JUL-2021	30-SEP-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067767	Returned to Compliance	01-JUL-2021	30-SEP-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067766	Returned to Compliance	01-APR-2021	30-JUN-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067765	Returned to Compliance	01-APR-2021	30-JUN-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067759	Returned to Compliance	01-JAN-2021	31-MAR-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067758	Returned to Compliance	01-JAN-2021	31-MAR-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067741	Returned to Compliance	01-OCT-2020	31-DEC-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067742	Returned to Compliance	01-OCT-2020	31-DEC-2020	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067729	Returned to Compliance	06-AUG-2020	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067730	Returned to Compliance	06-AUG-2020	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067736	Returned to Compliance	01-JUL-2020	30-SEP-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067735	Returned to Compliance	01-JUL-2020	30-SEP-2020	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067723	Returned to Compliance	04-JUN-2020	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067724	Returned to Compliance	04-JUN-2020	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067726	Returned to Compliance	01-APR-2020	30-JUN-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067725	Returned to Compliance	01-APR-2020	30-JUN-2020	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067712	Returned to Compliance	20-MAR-2020	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067713	Returned to Compliance	20-MAR-2020	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067717	Returned to Compliance	01-JAN-2020	31-MAR-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067718	Returned to Compliance	01-JAN-2020	31-MAR-2020	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	90067707	Returned to Compliance	01-DEC-2019	31-DEC-2019	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	90067702	Returned to Compliance	01-NOV-2019	30-NOV-2019	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	90067699	Returned to Compliance	01-OCT-2019	31-OCT-2019	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067709	Returned to Compliance	01-OCT-2019	31-DEC-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067708	Returned to Compliance	01-OCT-2019	31-DEC-2019	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067682	Returned to Compliance	26-SEP-2019	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067698	Returned to Compliance	01-JUL-2019	30-SEP-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067697	Returned to Compliance	01-JUL-2019	30-SEP-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067684	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067683	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067673	Returned to Compliance	08-MAR-2019	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067677	Returned to Compliance	01-JAN-2019	31-MAR-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067676	Returned to Compliance	01-JAN-2019	31-MAR-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067671	Returned to Compliance	01-OCT-2018	31-DEC-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067672	Returned to Compliance	01-OCT-2018	31-DEC-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067657	Returned to Compliance	01-JUL-2018	30-SEP-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067658	Returned to Compliance	01-JUL-2018	30-SEP-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067652	Returned to Compliance	01-APR-2018	30-JUN-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067651	Returned to Compliance	01-APR-2018	30-JUN-2018	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90067633	Returned to Compliance	25-JAN-2018	-	No
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90067643	Returned to Compliance	01-JAN-2018	31-MAR-2018	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	90067642	Returned to Compliance	01-JAN-2018	31-MAR-2018	Yes

1 - 50 of 149

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
90116007	90067803	SIA	State Violation/Reminder Notice	31-DEC-2025	State	-
90116003	90067792	SIF	State Public Notification received	07-MAY-2025	State	-
90115988	90067777	SIF	State Public Notification received	11-DEC-2023	State	-
90115983	90067538	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067547	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067554	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067561	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067569	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067579	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067590	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067609	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067621	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067627	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067629	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067779	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067652	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067657	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067671	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067677	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067683	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067698	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067709	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067718	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067726	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067736	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067742	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067759	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067766	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067769	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067775	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067776	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067531	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067522	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067518	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115983	90067643	SOX	State Compliance achieved	23-JUN-2023	State	20230623; ISHARP; 32 VIOLATIONS RTC BASED ON 1Q2023 RAA BELOW MCL.
90115981	90066888	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90066890	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067429	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067434	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067435	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067436	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067437	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067442	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067443	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067447	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067448	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067460	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067464	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067473	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.
90115981	90067481	SOX	State Compliance achieved	31-MAR-2023	State	20230331; ISHARP; 51 VIOLATIONS RTCD BASED ON 4Q2022 RAA. RAA = 4.7 PCI/L.

1 - 50 of 146

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
3 - S OF RAINEY ST/SPRUCE	23015	Yes	Well	Ground water	Emergency	Active
8 - MILL CREEK RD	23040	Yes	Well	Ground water	Permanent	Active
5 - W OF TOWN	23017	Yes	Well	Ground water	Permanent	Active
4 - MILL CREEK RD	23016	Yes	Well	Ground water	Permanent	Active
1 - END OF EL PASO ST	23003	Yes	Well	Ground water	Permanent	Active
7 - S OF TOWN	22940	Yes	Well	Ground water	Permanent	Active
2 - RAINEY / WHEELER	23014	Yes	Well	Ground water	Other	Inactive
6 - W OF TOWN	23018	Yes	Well	Ground water	Emergency	Active
DISTRIBUTION SYSTEM	43480	No	Distribution System/Zone	-	-	Active
WELL 7 - 350 GPM - SP	69144	No	Pump Facility	-	-	Active
EMERGENCY WELL 3 - 50 GPM - SP	69145	No	Pump Facility	-	-	Active
WELL 8 - 350 GPM - SP	69146	No	Pump Facility	-	-	Active
WELL 4 - 350 GPM - SP	69147	No	Pump Facility	-	-	Active
NEXT TO WELL 1 - 1000 GPM -SP	69148	No	Pump Facility	-	-	Active
NEXT TO WELL 1 - 1500 GPM - SP	69149	No	Pump Facility	-	-	Active
1117 LINCOLN AVE; MASON	138399	No	Sampling Station	-	-	Active
1117 LINCOLN AVE, MASON	56012	No	Sampling Station	-	-	Active
VENDED RO - 1024 MCKINLEY AVE; MASON	138400	No	Sampling Station	-	-	Inactive
0.13 MG STP/ ELNBRGR S	56011	No	Sampling Station	-	-	Inactive
VENDED RO - 1024 MCKINLEY AVE, MASON	64888	No	Sampling Station	-	-	Inactive
NEXT TO WL 1/CARDINAL ST - 0.200 MG - EL	110645	No	Storage	-	-	Active
NEXT TO WL 1/CARDINAL ST - 0.21 MG - GR	86267	No	Storage	-	-	Active
NEXT TO WL 1/CARDINAL ST - 0.21 MG - GR	86268	No	Storage	-	-	Active
PLANT - WELL 1	11361	No	Treatment Plant	-	-	Active
PLANT - WELLS 3 4 7 & 8	11367	No	Treatment Plant	-	-	Active
PLANT - WELL 5	129792	No	Treatment Plant	-	-	Active
PLANT - WELL 6	129793	No	Treatment Plant	-	-	Active
VENDED RO STATION	64659	No	Treatment Plant	-	-	Inactive

1 - 28 of 28

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT - WELL 1	11361	Hypochlorination, Pre	Disinfection
PLANT - WELLS 3 4 7 & 8	11367	Gaseous Chlorination, Pre	Disinfection
PLANT - WELLS 3 4 7 & 8	11367	Innovative	Radionuclides removal
PLANT - WELLS 3 4 7 & 8	11367	Innovative	Radionuclides removal
PLANT - WELL 5	129792	Gaseous Chlorination, Pre	Disinfection
PLANT - WELL 6	129793	Gaseous Chlorination, Pre	Disinfection
VENDED RO STATION	64659	Hypochlorination, Pre	Disinfection
VENDED RO STATION	64659	Reverse Osmosis	Radionuclides removal

1 - 8 of 8

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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