Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MA2185000
PWS Name	MILFORD WATER DEPARTMENT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	30379
County Served	Worcester

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
TT	Treatment Technique (SWTR and GWR)	Surface Water Treatment Rule	Surface Water Treatment Rule	37	Returned to Compliance	01-AUG-2013	31-AUG-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	36	Returned to Compliance	01-JUL-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	34	Returned to Compliance	01-APR-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	32	Returned to Compliance	01-JAN-2011	31-MAR-2011	Yes
TT	OCCT/SOWT Treatment Installation/Demonstration	Lead and Copper Rule	Lead and Copper Rule	35	Returned to Compliance	16-OCT-2010	-	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	31	Returned to Compliance	01-OCT-2010	31-DEC-2010	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	30	Returned to Compliance	01-AUG-2010	31-AUG-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	29	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	28	Known	01-AUG-2009	31-AUG-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	27	Known	01-AUG-2009	31-AUG-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	26	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	05V0026	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	05V0024	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	05V0022	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	05V0020	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	05V0018	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	05V0016	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	05V0014	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	05V0012	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	05V0008	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	05V0028	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	05V0030	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	05V0032	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	05V0034	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	05V0036	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	05V0038	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	05V0006	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	05V0042	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	05V0044	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	05V0046	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	05V0004	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	05V0040	Known	01-OCT-2004	31-DEC-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	05V0003	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	05V0045	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	05V0043	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	05V0041	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	05V0039	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	05V0037	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	05V0035	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	05V0033	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	05V0031	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	05V0029	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	05V0027	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	05V0025	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	05V0023	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	05V0021	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	05V0019	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	05V0017	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	05V0015	Known	01-JUL-2004	30-SEP-2004	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	05V0013	Known	01-JUL-2004	30-SEP-2004	No

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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
55	37	SOX	State Compliance achieved	26-NOV-2013	State	SWTR - MAX DAY TURBIDITY EXCEEDANCE 8/13/2013 (RTC)
52	36	SOX	State Compliance achieved	08-FEB-2012	State	Q4-2010 THRU Q3-2011 TTHM - RETURN TO COMPLIANCE
52	34	SOX	State Compliance achieved	08-FEB-2012	State	Q4-2010 THRU Q3-2011 TTHM - RETURN TO COMPLIANCE
52	32	SOX	State Compliance achieved	08-FEB-2012	State	Q4-2010 THRU Q3-2011 TTHM - RETURN TO COMPLIANCE
52	31	SOX	State Compliance achieved	08-FEB-2012	State	Q4-2010 THRU Q3-2011 TTHM - RETURN TO COMPLIANCE
53	35	SOX	State Compliance achieved	11-JUL-2011	State	DEM ISSUED FOR VIOLATING ACOP (FAILURE TO MAINTAIN CCT)
46	29	SOX	State Compliance achieved	02-DEC-2010	State	TCR, CL 35 REQD/26 SUBMITTED 8/10
46	30	SOX	State Compliance achieved	02-DEC-2010	State	TCR, CL 35 REQD/26 SUBMITTED 8/10
44	28	SFL	State Administrative/Compliance Order without penalty issued	09-AUG-2009	State	TCR BOIL ORDER FOR AUGUST 2009; TERMINATED 8/21/09
44	27	SFL	State Administrative/Compliance Order without penalty issued	09-AUG-2009	State	TCR BOIL ORDER FOR AUGUST 2009; TERMINATED 8/21/09
43	26	SOX	State Compliance achieved	29-JAN-2009	State	THM MCL Q4 2008 - RETURNED TO COMPLIANCE
32	05V0003	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0004	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0005	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0006	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0007	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0008	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0011	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0012	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0013	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0014	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0015	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0016	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0017	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0018	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0019	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0020	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0021	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0022	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0023	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0024	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0025	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0026	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0027	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0028	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0029	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0030	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0031	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0032	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0033	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0034	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0035	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0036	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0037	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0038	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0039	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0040	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0041	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0042	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004
32	05V0043	SFL	State Administrative/Compliance Order without penalty issued	06-APR-2005	State	M&R: VOC Q3 & Q4 2004

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
BEAVER ST. INTERCONNECTION	40	Yes	Consecutive Connection	Ground water	Permanent	Active
GODFREY WELL 4	8	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 2	7	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 1	5	Yes	Well	Ground water	Permanent	Active
DILLA REP WELLFIELD (4 GP WELLS)	48	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 4A	46	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 1B	44	Yes	Well	Ground water	Permanent	Active
CLARKS ISLAND HWF (2 X 6")	4	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 1A	28	Yes	Well	Ground water	Permanent	Active
GODFREY WELL 2A	24	Yes	Well	Ground water	Permanent	Active
DILLA GP WELL 2 (8 INCH)	22	Yes	Well	Ground water	Emergency	Inactive
DILLA GP WELL 1 (12 INCH)	20	Yes	Well	Ground water	Emergency	Inactive
DILLA ST. TWF (16 X 2.5)	2	Yes	Well	Ground water	Emergency	Inactive
CEDAR SWAMP GDW	9	Yes	Well	Ground water	Emergency	Active
LOUISA LAKE	10	Yes	Intake	Surface water	Emergency	Active
CHARLES RIVER	3	Yes	Intake	Surface water	Permanent	Active
ECHO LAKE	6	Yes	Intake	Surface water	Permanent	Active
DILLA ST. PUMP/TREATMENT STATION	11	No	Pump Facility	-	-	Active
GODFREY BROOK PUMP / TREATMENT STATION	12	No	Pump Facility	-	-	Active
CONGRESS STREET BOOSTER PUMP STATION	13	No	Pump Facility	-	-	Active
DILLA GP WELL 1 (12 INCH) PUMP	21	No	Pump Facility	-	-	Active
DILLA GP WELL 2 (8 INCH) PUMP	23	No	Pump Facility	-	-	Active
GODFREY WELL 2A PUMP	25	No	Pump Facility	-	-	Active
DILLA ST. PUMP STATION (HIGH LIFT)	26	No	Pump Facility	-	-	Active
GODFREY BROOK TREATMENT STATION	27	No	Pump Facility	-	-	Active
GODFREY WELL 1A PUMP	29	No	Pump Facility	-	-	Active
GODFREY WELL 1 PUMP	31	No	Pump Facility	-	-	Active
GODFREY WELL 2 PUMP	32	No	Pump Facility	-	-	Active
GODFREY WELL 4 PUMP	33	No	Pump Facility	-	-	Active
CLARKS ISLAND HWF PUMP	34	No	Pump Facility	-	-	Active
GODFREY BROOK WTP (HIGH LIFT)	35	No	Pump Facility	-	-	Active
CHARLES RIVER PUMP STATION	36	No	Pump Facility	-	-	Active
BACKWASH PUMP STATION	39	No	Pump Facility	-	-	Active
GODFREY WELL 1B PUMP	45	No	Pump Facility	-	-	Active
GODFREY WELL 4A PUMP	47	No	Pump Facility	-	-	Active
DILLA REP WELLFIELD PUMP	49	No	Pump Facility	-	-	Active
DILLA REP WELLFIELD PUMP	50	No	Pump Facility	-	-	Active
DILLA REP WELLFIELD PUMP	51	No	Pump Facility	-	-	Active
DILLA REP WELLFIELD PUMP	52	No	Pump Facility	-	-	Active
DILLA ST. TREATMENT STATION (LOW LIFT)	30	No	Pump Facility	-	-	Inactive
DILLA GATEHOUSE PUMP STATION	37	No	Pump Facility	-	-	Inactive
CONGRESS STREET STORAGE TANK	14	No	Storage	-	-	Active
HIGHLAND STREET STORAGE TANK	15	No	Storage	-	-	Active
BEAR HILL STORAGE TANK	17	No	Storage	-	-	Active
CHLORINE CONTACT TANKS (2X 390,000 GALS)	38	No	Storage	-	-	Active
GODFREY CLEARWELL (13.5K GAL)	42	No	Storage	-	-	Active
GODFREY AERATION WETWELL (12K GALS)	43	No	Storage	-	-	Active
DILLA ST. DAF TREATMENT PLANT	18	No	Treatment Plant	-	-	Active
GODFREY BROOK WTP	41	No	Treatment Plant	-	-	Active
GODFREY TREATMENT STATION (ABANDONED)	19	No	Treatment Plant	-	-	Inactive

1 - 50 of 50

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
DILLA ST. DAF TREATMENT PLANT	18	Inhibitor, Bimetallic Phospate	Corrosion control
DILLA ST. DAF TREATMENT PLANT	18	pH Adjustment	Corrosion control
DILLA ST. DAF TREATMENT PLANT	18	Permanganate	Inorganics removal
DILLA ST. DAF TREATMENT PLANT	18	Rapid Mix	Particulate removal
DILLA ST. DAF TREATMENT PLANT	18	Activated Carbon, Granular	Organics removal
DILLA ST. DAF TREATMENT PLANT	18	Flocculation	Particulate removal
DILLA ST. DAF TREATMENT PLANT	18	pH Adjustment, Pre	Particulate removal
DILLA ST. DAF TREATMENT PLANT	18	Coagulation	Particulate removal
DILLA ST. DAF TREATMENT PLANT	18	Innovative	Particulate removal
DILLA ST. DAF TREATMENT PLANT	18	Hypochlorination, Post	Disinfection
GODFREY TREATMENT STATION (ABANDONED)	19	pH Adjustment	Corrosion control
GODFREY TREATMENT STATION (ABANDONED)	19	Aeration, Packed Tower	Corrosion control
GODFREY TREATMENT STATION (ABANDONED)	19	Aeration, Packed Tower	Taste / odor control
GODFREY TREATMENT STATION (ABANDONED)	19	Inhibitor, Bimetallic Phospate	Corrosion control
GODFREY TREATMENT STATION (ABANDONED)	19	4-Log Treatment of Viruses	Disinfection
GODFREY BROOK WTP	41	Innovative	Inorganics removal
GODFREY BROOK WTP	41	Aeration, Packed Tower	Corrosion control
GODFREY BROOK WTP	41	pH Adjustment, Pre	Inorganics removal
GODFREY BROOK WTP	41	Innovative	Inorganics removal
GODFREY BROOK WTP	41	Inhibitor, Orthophosphate	Corrosion control
GODFREY BROOK WTP	41	4-Log Treatment of Viruses	Disinfection

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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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