Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	NY1302794
PWS Name	GREENFIELD WATER DISTRICT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	1050
County Served	Dutchess

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	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	873	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	866	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	865	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	868	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	875	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	874	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	867	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	876	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	872	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	871	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	870	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	869	Returned to Compliance	01-JAN-2025	31-DEC-2025	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	858	Returned to Compliance	01-APR-2021	30-APR-2021	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	852	Returned to Compliance	01-SEP-2012	30-SEP-2012	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	853	Returned to Compliance	01-SEP-2012	30-SEP-2012	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	614	Returned to Compliance	02-SEP-2010	-	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	609	Returned to Compliance	01-FEB-2009	28-FEB-2009	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	850	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	849	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	848	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	847	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	846	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	845	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	844	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	842	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	841	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	843	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	840	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	851	Returned to Compliance	01-JAN-2009	31-DEC-2011	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	685	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	779	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	671	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	725	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	833	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	721	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	829	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	775	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	667	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	666	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	720	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	828	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	774	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	773	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	665	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	827	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	719	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	772	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	664	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	826	Returned to Compliance	01-JAN-2007	31-DEC-2009	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	718	Returned to Compliance	01-JAN-2007	31-DEC-2009	No

1 - 50 of 113

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
844	872	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	871	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	870	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	869	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	868	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	867	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	874	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	865	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	866	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	875	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	876	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
844	873	SOX	State Compliance achieved	27-MAR-2026	State	Sample set collected on 03/17/2026 an received by DCDOH on 03/27/2026.
841	198	SOX	State Compliance achieved	18-NOV-2024	State	Samples Taken, Well #11 offline
841	858	SOX	State Compliance achieved	18-NOV-2024	State	Samples Taken, Well #11 offline
828	850	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	849	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	848	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	847	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	846	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	845	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	844	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	843	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	842	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	841	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	840	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
828	851	SOX	State Compliance achieved	29-JUN-2017	State	Samples collected since MCL, and levels have decreased in samples thereafter. Mn sample exceeded in 2017, but new SFJ issued.
824	852	SOX	State Compliance achieved	17-SEP-2012	State	TC repeat samples (9) and triggered GWR samples (3) completed on 9/17/2012.al TC negative.
824	853	SOX	State Compliance achieved	17-SEP-2012	State	TC repeat samples (9) and triggered GWR samples (3) completed on 9/17/2012.al TC negative.
820	837	SOX	State Compliance achieved	03-NOV-2011	State	2010 AWQR faxed in by Rich Cain on 11/3/2011.
816	631	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	632	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	645	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	649	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	650	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	651	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	652	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	654	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	655	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	656	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	657	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	658	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	659	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	660	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	662	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	664	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	665	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	666	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	667	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	671	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.
816	685	SFJ	State Formal Notice of Violation issued	22-SEP-2011	State	Notice of violations issue on SNSV letter dated 9/22/2011 for: 1) failure to monitor for Fe and Mn in 3Q09, 4Q10 and 1Q11 (6 violations), 2) failure to monitor for POCs at well 9, 10, 11 and 12 during 2007-2009 monitoring period (4 violations), 30 failure to prodie the 2010 AWQR to this Department by 5/31/2011.

1 - 50 of 113

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL #12	12870	Yes	Well	Ground water	Emergency	Active
WELL #11	12869	Yes	Well	Ground water	Permanent	Inactive
WELL #10	12868	Yes	Well	Ground water	Permanent	Active
WELL #9	12867	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	45836	No	Distribution System/Zone	-	-	Active
TREATMENT PLANT	3156	No	Treatment Plant	-	-	Active

1 - 6 of 6

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT	3156	Hypochlorination, Post	Disinfection
TREATMENT PLANT	3156	Inhibitor, Polyphosphate	Corrosion control

1 - 2 of 2

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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