Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	LA1087001
PWS Name	ST BERNARD PARISH WATERWORKS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	44783
County Served	St. Bernard Parish

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)	3657	Returned to Compliance	01-APR-2016	30-JUN-2016	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3653	Returned to Compliance	01-JAN-2016	31-MAR-2016	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3652	Returned to Compliance	01-SEP-2015	30-NOV-2015	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3651	Returned to Compliance	01-SEP-2015	30-NOV-2015	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3648	Returned to Compliance	01-APR-2015	30-JUN-2015	Yes
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3645	Returned to Compliance	01-NOV-2014	30-NOV-2014	No
TT	Treatment Technique (SWTR and GWR)	Long Term 2 Enhanced Surface Water Treatment Rule	Long Term 2 Enhanced Surface Water Treatment Rule	3656	Returned to Compliance	01-SEP-2014	30-SEP-2014	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3635	Known	01-APR-2012	30-JUN-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3633	Known	01-MAR-2012	31-MAR-2012	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3634	Known	01-JAN-2012	31-MAR-2012	Yes
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3629	Known	01-JUN-2011	30-JUN-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3628	Known	01-MAY-2011	31-MAY-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3627	Known	01-APR-2011	30-APR-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3626	Known	01-MAR-2011	31-MAR-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3625	Known	01-FEB-2011	28-FEB-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3624	Known	01-JAN-2011	31-JAN-2011	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3623	Known	01-OCT-2010	31-OCT-2010	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3622	Known	01-SEP-2010	30-SEP-2010	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3621	Known	01-AUG-2010	31-AUG-2010	No
MR	Monitoring, Turbidity (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	3620	Known	01-JUL-2010	31-JUL-2010	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	3632	Returned to Compliance	02-JAN-2010	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	3618	Known	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3619	Known	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	3616	Known	01-APR-2009	30-JUN-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3617	Known	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3631	Returned to Compliance	01-OCT-2008	30-SEP-2009	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3630	Returned to Compliance	01-OCT-2008	30-SEP-2009	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3636	Known	01-JUL-2008	30-SEP-2008	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3612	Returned to Compliance	01-APR-2008	30-JUN-2008	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3611	Returned to Compliance	01-JAN-2008	31-MAR-2008	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3610	Returned to Compliance	01-OCT-2007	31-DEC-2007	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3608	Returned to Compliance	01-JUL-2007	30-SEP-2007	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3607	Returned to Compliance	01-APR-2007	30-JUN-2007	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3609	Returned to Compliance	01-JAN-2007	31-MAR-2007	Yes
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3638	Known	01-OCT-2006	31-DEC-2006	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	107	Returned to Compliance	01-JUL-2006	-	No
TT	Treatment Technique Precursor Removal	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	3637	Known	01-JAN-2006	31-MAR-2006	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3005	Returned to Compliance	01-JUN-2005	30-JUN-2005	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2805	Returned to Compliance	01-SEP-2004	30-SEP-2004	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2604	Known	01-JUL-2004	31-JUL-2004	No
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	1000100	Known	01-FEB-2000	29-FEB-2000	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1000198	Known	01-OCT-1997	31-OCT-1997	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1000197	Known	01-AUG-1997	31-AUG-1997	Yes
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	1011387	Known	01-JUL-1987	30-SEP-1987	Yes
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	1011487	Known	01-OCT-1986	31-DEC-1986	Yes
MCL	Maximum Contaminant Level Violation, Average	Former Total Trihalomethane Rule	TTHM	1007586	Known	01-APR-1986	30-JUN-1986	Yes

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
2303247	3633	SID	State Site Visit for enforcement purposes	01-FEB-2018	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT POI 2/1/2018: I/C - 1-8.a.), 1-8.b.), 1.8.c.i.), 1-8.c.ii.), 1-8.c.iii.), 1-8.d.i.), 1-8.d.ii.), 1-8.e.), 1-8.f.), 1-8.g.), 1-8.h.), 1-8.i.), 1-8.j.), 1-8.k.), 1-8.l.i.), 1-8.l.ii.), 1-8.l.iii.), 1-8.l.iv.), 1-8.m.i.), 1-8.m.ii.), 1-8.m.iii.), 1-8.n.), 1-8.o.), 1-8.r.i), 1-8.r.ii.), 1-8.t.), 9.a.), 9.b.), 9.c.), 10.a.), 10.b.), 10.c.), 11.), 12.a.), 12.b.), 13.), 14.a.), 14.b.i.), 14.b.ii.), 15.), 16.a.), & 16.b.)
2303246	3653	SOX	State Compliance achieved	03-MAY-2017	State	AO No. C-13-087-008-ETT-Revised. (7-13-2016)
2303246	3657	SOX	State Compliance achieved	03-MAY-2017	State	AO No. C-13-087-008-ETT-Revised. (7-13-2016)
2303242	3611	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3612	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3616	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3617	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3618	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3619	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3620	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3621	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3622	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3623	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3624	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3625	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3626	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3627	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3628	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3629	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3634	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3635	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3637	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3638	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3645	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3648	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3651	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3652	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3656	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3610	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3609	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3607	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303242	3608	SFL	State Administrative/Compliance Order without penalty issued	13-JUL-2016	State	AO No. C-13-087-008-ETT-Revised as per LDH Legal request from hearing process replaces AO No. C-13-087-008-ETT; released 11/9/2018
2303196	3632	SOX	State Compliance achieved	19-MAR-2014	State	-
2303196	3631	SOX	State Compliance achieved	19-MAR-2014	State	-
2303196	3630	SOX	State Compliance achieved	19-MAR-2014	State	-
2303187	3636	SIE	State Public Notification requested	29-DEC-2008	State	-
207	107	SIE	State Public Notification requested	11-OCT-2006	State	-
2302905	3005	SOX	State Compliance achieved	29-JUL-2005	State	-
2301706	2805	SIF	State Public Notification received	31-DEC-2004	State	PN in St Bernard Voice newspaper on 12/31/2004 PN in Times-Picayune newspaper on 12/26/2004
1400	1000100	SIF	State Public Notification received	15-APR-2000	State	-
1398	1000198	SIF	State Public Notification received	03-FEB-1998	State	-
1397	1000197	SIF	State Public Notification received	30-JAN-1998	State	-
2E87	1011387	SIE	State Public Notification requested	30-SEP-1987	State	-
2E87	1011487	SIE	State Public Notification requested	30-SEP-1987	State	-
3E86	1007586	SIF	State Public Notification received	30-SEP-1986	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
SURFACE RAW WATER INTAKE	8369	Yes	Intake	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	9129	No	Distribution System/Zone	-	-	Active
Stage2 IDSE	17277	No	Distribution System/Zone	-	-	Inactive
RAW WATER PUMPS	20491	No	Pump Facility	-	-	Active
TOCA BOOSTER PUMP STATION	18549	No	Pump Facility	-	-	Inactive
NEW GROUND AT PLANT 10 MG	1153	No	Storage	-	-	Active
ST BERNARD TOWER 0.5 MG	18546	No	Storage	-	-	Active
CLEARWELL	21545	No	Storage	-	-	Active
ARABI TANK 1.0 MG	378	No	Storage	-	-	Active
MERAUX 0.5 MG	594	No	Storage	-	-	Active
VIOLET TANK 1.0 MG	674	No	Storage	-	-	Active
NEW REGGIO 0.5 MG	704	No	Storage	-	-	Active
YSCLOSKEY 0.1 MG	719	No	Storage	-	-	Active
DELACROIX 0.1 MG	723	No	Storage	-	-	Active
OLD GROUND AT PLANT 3.0 MG	958	No	Storage	-	-	Active
TOCA TANK 0.3 MG IN DIST	18547	No	Storage	-	-	Inactive
2014 NEW SURFACE WATER TREATMENT PLANT	20490	No	Treatment Plant	-	-	Active
REGGIO BOOSTER STATION	21548	No	Treatment Plant	-	-	Active
OLD 1954TREATMENT PLANT	18550	No	Treatment Plant	-	-	Inactive
TOCA BOOSTER STATION	21126	No	Treatment Plant	-	-	Inactive
1973 TREATMENT PLANT	49	No	Treatment Plant	-	-	Inactive

1 - 21 of 21

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
2014 NEW SURFACE WATER TREATMENT PLANT	20490	Rapid Mix	Particulate removal
2014 NEW SURFACE WATER TREATMENT PLANT	20490	Flocculation	Particulate removal
2014 NEW SURFACE WATER TREATMENT PLANT	20490	Filtered	Particulate removal
2014 NEW SURFACE WATER TREATMENT PLANT	20490	Chloramines	Disinfection by-products control
TOCA BOOSTER STATION	21126	Gaseous Chlorination, Post	Disinfection
TOCA BOOSTER STATION	21126	Chloramines	Disinfection by-products control
REGGIO BOOSTER STATION	21548	Chloramines	Disinfection
1973 TREATMENT PLANT	49	Gaseous Chlorination, Pre	Disinfection
1973 TREATMENT PLANT	49	Chloramines	Disinfection by-products control
1973 TREATMENT PLANT	49	Permanganate	Organics removal

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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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