Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	TX2400022
PWS Name	WEBB COUNTY WATER UTILITIES
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	8358
County Served	Webb

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	TTHM	90049815	Known	01-OCT-2025	31-DEC-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049808	Known	01-JUL-2025	30-SEP-2025	Yes
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	90049813	Open	01-JUL-2025	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049803	Known	01-APR-2025	30-JUN-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049799	Known	01-JAN-2025	31-MAR-2025	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049791	Returned to Compliance	30-OCT-2024	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049796	Known	01-OCT-2024	31-DEC-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049788	Known	01-JUL-2024	30-SEP-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049787	Known	01-APR-2024	30-JUN-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049786	Known	01-JAN-2024	31-MAR-2024	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049783	Known	01-OCT-2023	31-DEC-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049778	Known	01-JUL-2023	30-SEP-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049771	Known	01-APR-2023	30-JUN-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	90049772	Returned to Compliance	01-APR-2023	30-JUN-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049767	Returned to Compliance	01-OCT-2021	31-DEC-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049764	Returned to Compliance	01-APR-2021	30-JUN-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049758	Returned to Compliance	01-JAN-2021	31-MAR-2021	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049753	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	90049748	Returned to Compliance	19-SEP-2020	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049750	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	90049745	Returned to Compliance	16-MAY-2020	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049746	Returned to Compliance	01-APR-2020	30-JUN-2020	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049741	Returned to Compliance	01-JAN-2020	31-MAR-2020	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049736	Open	09-NOV-2019	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049738	Returned to Compliance	01-OCT-2019	31-DEC-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049732	Returned to Compliance	01-JUL-2019	30-SEP-2019	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	90049729	Open	01-JUL-2019	-	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	90049727	Returned to Compliance	09-APR-2019	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	90049730	Known	01-JAN-2019	30-JUN-2019	No
TT	Treatment Technique (SWTR and GWR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049722	Returned to Compliance	01-OCT-2018	31-OCT-2018	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	90049724	Returned to Compliance	01-JUL-2018	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049709	Returned to Compliance	01-AUG-2017	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049712	Returned to Compliance	01-AUG-2017	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049714	Returned to Compliance	01-AUG-2017	31-AUG-2017	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049706	Returned to Compliance	31-JUL-2017	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049704	Returned to Compliance	01-JUL-2017	-	No
MR	Monitoring of Treatment (SWTR-Filter)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049713	Returned to Compliance	01-JUL-2017	31-JUL-2017	No
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049705	Returned to Compliance	01-JUN-2017	-	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049702	Returned to Compliance	31-MAY-2017	-	No
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049703	Returned to Compliance	01-MAY-2017	-	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049700	Returned to Compliance	01-MAY-2017	-	No
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049701	Returned to Compliance	01-APR-2017	-	Yes
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049695	Returned to Compliance	01-MAR-2017	-	Yes
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049691	Returned to Compliance	01-FEB-2017	-	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	90049696	Returned to Compliance	01-FEB-2017	-	No
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049689	Returned to Compliance	01-JAN-2017	-	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	90049693	Known	01-JAN-2017	31-MAR-2017	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	90049698	Known	01-JAN-2017	31-MAR-2017	No
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049685	Returned to Compliance	01-DEC-2016	-	Yes
TT	Failure to Filter (SWTR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	90049683	Returned to Compliance	01-NOV-2016	-	Yes

1 - 50 of 212

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
90096196	90049813	SIA	State Violation/Reminder Notice	31-DEC-2025	State	-
90096188	90049808	SIF	State Public Notification received	25-NOV-2025	State	-
90096182	90049803	SIF	State Public Notification received	04-AUG-2025	State	-
90096176	90049799	SIF	State Public Notification received	31-MAR-2025	State	-
90096170	90049787	SIF	State Public Notification received	28-FEB-2025	State	-
90096168	90049796	SIF	State Public Notification received	28-FEB-2025	State	-
90096162	90049791	SIA	State Violation/Reminder Notice	13-DEC-2024	State	-
90096161	90049788	SIF	State Public Notification received	01-NOV-2024	State	-
90096155	90049786	SIF	State Public Notification received	01-MAY-2024	State	-
90096149	90049783	SIF	State Public Notification received	01-MAR-2024	State	-
90096148	90049778	SFJ	State Formal Notice of Violation issued	16-FEB-2024	State	-
90096148	90049771	SFJ	State Formal Notice of Violation issued	16-FEB-2024	State	-
90096141	90049748	SOX	State Compliance achieved	08-NOV-2023	State	-
90096142	90049729	SIF	State Public Notification received	07-NOV-2023	State	-
90096135	90049727	SIF	State Public Notification received	01-NOV-2023	State	-
90096134	90049745	SOX	State Compliance achieved	01-NOV-2023	State	-
90096133	90049772	SOX	State Compliance achieved	20-OCT-2023	State	VIOL SOX'D BASED ON HAA5 DBP2-01 3Q2023 LRAA
90096126	90049767	SOX	State Compliance achieved	24-MAR-2022	State	VIOLS SOX'D BASED ON TTHM DBP2-01 1Q2022 LRAA
90096122	90049732	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049738	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049741	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049764	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049750	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049753	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049758	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096122	90049746	SOX	State Compliance achieved	18-OCT-2021	State	10/18/2021;JROMERO; 3Q2021 NO LONGER EXCEEDING
90096140	90049736	SFO	State Administrative/Compliance Order with penalty issued	27-AUG-2020	State	TCEQ DOCKET NO. 2020-0213-PWS-E. FILE CLOSED 5/23/2022
90096077	90049724	SOX	State Compliance achieved	23-DEC-2019	State	UPDATED DUE TO NEW DOCUMENTS
90096097	90049730	SIF	State Public Notification received	01-OCT-2019	State	-
90096054	90049722	SIA	State Violation/Reminder Notice	15-JAN-2019	State	-
90096025	90049713	SIE	State Public Notification requested	16-OCT-2017	State	-
90096027	90049714	SIE	State Public Notification requested	16-OCT-2017	State	-
90096034	90049709	SOX	State Compliance achieved	05-OCT-2017	State	-
90096030	90049712	SOX	State Compliance achieved	05-OCT-2017	State	-
90096035	90049698	SIF	State Public Notification received	05-OCT-2017	State	-
90096031	90049693	SIF	State Public Notification received	05-OCT-2017	State	-
90096014	90049706	SIA	State Violation/Reminder Notice	11-AUG-2017	State	-
90096012	90049705	SIA	State Violation/Reminder Notice	07-AUG-2017	State	-
90096058	90049622	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049703	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049701	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049695	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049691	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049689	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049577	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049578	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049579	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049583	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049584	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.
90096058	90049585	SOX	State Compliance achieved	01-AUG-2017	State	PWS HAS MET THE REQUIREMENTS FOR THE VIOLATION TO BE RETURNED TO COMPLIANCE.

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
INTAKE 1 - TERMINAL RES AT PLANT	33930	Yes	Intake	Surface water	Permanent	Active
1 - NOT APPROVED FOR USE	25167	Yes	Well	Ground water	Other	Inactive
INTAKE 2 - RIVER BANK	33943	Yes	Intake	Surface water	Permanent	Active
RAW-TAP	117770	No	Common Headers	-	-	Active
PLANT - 0.245 MG - CW	125886	No	Clear Well	-	-	Active
PLANT - 0.245 MG - CW	125887	No	Clear Well	-	-	Active
DISTRIBUTION SYSTEM	46272	No	Distribution System/Zone	-	-	Active
AFTER CLEARWELLS - 1200 GPM - SP	77759	No	Pump Facility	-	-	Active
AFTER CLEARWELLS - 1200 GPM - SP	77760	No	Pump Facility	-	-	Active
AFTER CLEARWELLS - 1200 GPM - SP	77761	No	Pump Facility	-	-	Active
AFTER CLEARWELLS - 600 GPM - SP	77762	No	Pump Facility	-	-	Active
515 MARTHA DR; LAREDO	140729	No	Sampling Station	-	-	Active
515 MARTHA DR, LAREDO	59432	No	Sampling Station	-	-	Active
RIO BRAVO - 0.2 MG EL	95512	No	Storage	-	-	Active
PLANT OFFLINE - 0.2 MG ST	125888	No	Storage	-	-	Inactive
EL CENIZO - 0.2 MG - EL	95511	No	Storage	-	-	Inactive
SWTP NEW RIO BRAVO SWTP	63632	No	Treatment Plant	-	-	Active
PLANT	10428	No	Treatment Plant	-	-	Inactive

1 - 18 of 18

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT	10428	Gaseous Chlorination, Pre	Disinfection
PLANT	10428	Coagulation	Particulate removal
PLANT	10428	Chloramines	Disinfection
PLANT	10428	Filtration, Rapid Sand	Particulate removal
PLANT	10428	Sedimentation	Particulate removal
PLANT	10428	pH Adjustment, Pre	Corrosion control
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Pre	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Pre	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	pH Adjustment, Pre	Corrosion control
SWTP NEW RIO BRAVO SWTP	63632	pH Adjustment, Pre	Corrosion control
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Rapid Mix	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Rapid Mix	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Coagulation	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Pre	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Pre	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Other
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Other
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Other
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Other
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Particulate removal
SWTP NEW RIO BRAVO SWTP	63632	Ultraviolet Radiation	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Ultraviolet Radiation	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Post	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Hypochlorination, Post	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection
SWTP NEW RIO BRAVO SWTP	63632	Innovative	Disinfection

1 - 50 of 52

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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