Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MA2175000
PWS Name	MEDFIELD WATER DEPT.
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	12894
County Served	Norfolk

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
MON	Monitoring, Lab Certification/Method Error (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	46	Returned to Compliance	01-SEP-2022	30-SEP-2022	No
MCL	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	45	Returned to Compliance	01-OCT-2018	31-OCT-2018	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	42	Returned to Compliance	01-JUL-2012	31-JUL-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	41	Returned to Compliance	01-JAN-2012	31-JAN-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	40	Returned to Compliance	01-DEC-2011	31-DEC-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	39	Returned to Compliance	01-OCT-2011	31-OCT-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	38	Returned to Compliance	01-SEP-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	37	Returned to Compliance	01-AUG-2011	31-AUG-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	36	Returned to Compliance	01-JUL-2011	31-JUL-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	35	Returned to Compliance	01-JUN-2011	30-JUN-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	34	Returned to Compliance	01-NOV-2010	30-NOV-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	33	Returned to Compliance	01-OCT-2010	31-OCT-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	32	Returned to Compliance	01-SEP-2010	30-SEP-2010	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	29	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	31	Returned to Compliance	01-JUL-2009	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	28	Returned to Compliance	01-MAY-2008	31-MAY-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	15	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	22	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	23	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	13	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	21	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	11	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	7	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	14	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	8	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	10	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	6	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	16	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	9	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	25	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	19	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	12	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	5	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	20	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	17	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	18	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	27	Returned to Compliance	01-APR-2008	30-JUN-2008	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4	Known	01-JUL-2006	30-SEP-2006	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	3	Returned to Compliance	01-APR-2006	30-JUN-2006	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	01V0001	Known	01-MAY-2001	31-MAY-2001	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	00V0035	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	00V0036	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	00V0037	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	00V0038	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	00V0040	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	00V0041	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	00V0043	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	00V0044	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	00V0045	Known	01-APR-2000	30-JUN-2000	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	00V0046	Known	01-APR-2000	30-JUN-2000	No

1 - 50 of 85

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
51	46	SOX	State Compliance achieved	09-SEP-2022	State	MONLAB 9/8/2022 INVALID SAMPLE
49	45	SOX	State Compliance achieved	01-NOV-2018	State	E.COLI MCL VIOLATION 10/2018
41	42	SFJ	State Formal Notice of Violation issued	28-SEP-2012	State	TCR MONTHLY MAX. (MCL) FOR JULY 2012
40	40	SFL	State Administrative/Compliance Order without penalty issued	06-MAR-2012	State	TCR MONTHLY MAX. (MCL) FOR DEC. 2011 & JAN. 2012
40	41	SFL	State Administrative/Compliance Order without penalty issued	06-MAR-2012	State	TCR MONTHLY MAX. (MCL) FOR DEC. 2011 & JAN. 2012
39	37	SFJ	State Formal Notice of Violation issued	09-DEC-2011	State	TCR MCL VIOLATIONS AUG, SEP, OCT 2011. CL ON LINE AT ALL ACTIVE WELLS 6/2012
39	38	SFJ	State Formal Notice of Violation issued	09-DEC-2011	State	TCR MCL VIOLATIONS AUG, SEP, OCT 2011. CL ON LINE AT ALL ACTIVE WELLS 6/2012
39	39	SFJ	State Formal Notice of Violation issued	09-DEC-2011	State	TCR MCL VIOLATIONS AUG, SEP, OCT 2011. CL ON LINE AT ALL ACTIVE WELLS 6/2012
43	35	SOX	State Compliance achieved	01-DEC-2011	State	RTC PDU for EPA
43	36	SOX	State Compliance achieved	01-DEC-2011	State	RTC PDU for EPA
36	34	SOX	State Compliance achieved	04-FEB-2011	State	TCR MONTHLY MAX. (MCL) FOR NOVEMBER 2010
37	33	SOX	State Compliance achieved	22-DEC-2010	State	TCR MONTHLY MCL VIOLATIONS SEP & OCT 2010
37	32	SOX	State Compliance achieved	22-DEC-2010	State	TCR MONTHLY MCL VIOLATIONS SEP & OCT 2010
33	31	SOX	State Compliance achieved	28-DEC-2009	State	2008 CCR VIOLATIONS (RESPONSE & PN RECEIVED)
42	29	SOX	State Compliance achieved	14-DEC-2009	State	M&R CL 21 REQUIRED 8/09
30	6	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	28	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	27	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	25	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	23	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	22	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	21	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	20	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	19	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	18	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	17	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	16	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	15	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	14	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	13	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	12	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	11	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	10	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	9	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	8	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	7	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
30	5	SOX	State Compliance achieved	16-APR-2009	State	VOC MULT1 Q1 08, TCR 4 RW/MO 5/2008
25	3	SOX	State Compliance achieved	05-FEB-2007	State	CHLORINE 12/MO 6/2006
24	4	SFL	State Administrative/Compliance Order without penalty issued	12-DEC-2006	State	M&R CHLORINE - 12 PER MONTH - JUL, AUG 2006
21	01V0002	SOX	State Compliance achieved	19-JUN-2002	State	-
12	01V0001	SFL	State Administrative/Compliance Order without penalty issued	06-JUL-2001	State	-
10	00V0011	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0037	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0029	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0056	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0053	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0052	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0051	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0050	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE
10	00V0048	SFL	State Administrative/Compliance Order without penalty issued	07-AUG-2000	State	WELL 1&2 AIR STRIPPER EFFLUENT - BY FREDERIK SCHUELE

1 - 50 of 85

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 3 (ELM ST.)	3	Yes	Well	Ground water	Emergency	Inactive
WELL 6 (RTE. 27)	8	Yes	Well	Ground water	Permanent	Active
WELL 4 (ELM ST.)	4	Yes	Well	Ground water	Permanent	Active
WELL 3R (ELM ST.)	21	Yes	Well	Ground water	Permanent	Active
WELL 2 (MAIN ST.)	2	Yes	Well	Ground water	Permanent	Active
WELL 1 (MAIN ST.)	1	Yes	Well	Ground water	Permanent	Active
WELL # 1 (MAIN ST.) PUMP	15	No	Pump Facility	-	-	Active
WELL 2 (MAIN ST.) PUMP	16	No	Pump Facility	-	-	Active
WELL 3 (ELM ST.) PUMP	17	No	Pump Facility	-	-	Active
WELL 4 (ELM ST.) PUMP	18	No	Pump Facility	-	-	Active
WELL 3R (ELM ST.) PUMP	22	No	Pump Facility	-	-	Active
PINE ST. BOOSTER STATION	6	No	Pump Facility	-	-	Active
WELL 6	9	No	Pump Facility	-	-	Active
STATE HOSPITAL TANK	19	No	Storage	-	-	Active
WELL1 AND 2 CLEARWELL	20	No	Storage	-	-	Active
MT. NEBO	7	No	Storage	-	-	Active
MEDFIELD STATE HOSPITAL TANK	14	No	Storage	-	-	Inactive
MAIN ST. TREATMENT PLANT	10	No	Treatment Plant	-	-	Active
RTE 27 WELL #6	13	No	Treatment Plant	-	-	Active
ELM ST WTP	23	No	Treatment Plant	-	-	Active
ELM ST WELL #3	11	No	Treatment Plant	-	-	Inactive
ELM ST WELL #4	12	No	Treatment Plant	-	-	Inactive

1 - 22 of 22

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
MAIN ST. TREATMENT PLANT	10	Hypochlorination, Post	Disinfection
MAIN ST. TREATMENT PLANT	10	Aeration, Packed Tower	Organics removal
ELM ST WELL #3	11	pH Adjustment	Corrosion control
ELM ST WELL #3	11	Hypochlorination, Post	Disinfection
ELM ST WELL #4	12	pH Adjustment	Corrosion control
RTE 27 WELL #6	13	pH Adjustment	Corrosion control
RTE 27 WELL #6	13	Hypochlorination, Post	Disinfection
ELM ST WTP	23	pH Adjustment	Corrosion control
ELM ST WTP	23	Filtration, Greensand	Inorganics removal
ELM ST WTP	23	Hypochlorination, Post	Disinfection
ELM ST WTP	23	pH Adjustment, Post	Corrosion control
ELM ST WTP	23	Hypochlorination, Pre	Disinfection

1 - 12 of 12

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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