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PWS ID	MA2080000
PWS Name	DUDLEY WATER DEPARTMENT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	5515
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
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	40	Returned to Compliance	01-APR-2023	-	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	41	Returned to Compliance	01-APR-2023	30-JUN-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	38	Returned to Compliance	01-AUG-2018	31-AUG-2018	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	37	Returned to Compliance	01-AUG-2018	31-AUG-2018	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	36	Returned to Compliance	01-OCT-2013	31-OCT-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	35	Returned to Compliance	01-JUL-2013	31-JUL-2013	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	34	Known	01-AUG-2012	31-AUG-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	33	Known	01-AUG-2012	31-AUG-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	32	Returned to Compliance	01-SEP-2011	30-SEP-2011	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	31	Returned to Compliance	01-OCT-2010	31-OCT-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	29	Returned to Compliance	01-SEP-2010	30-SEP-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	30	Returned to Compliance	01-JUL-2010	31-JUL-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	2	Returned to Compliance	01-FEB-2010	28-FEB-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	05V0003	Returned to Compliance	01-OCT-2004	31-OCT-2004	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	05V0002	Returned to Compliance	01-OCT-2004	31-OCT-2004	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	04V0005	Returned to Compliance	01-AUG-2004	31-AUG-2004	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	04V0006	Returned to Compliance	01-AUG-2004	31-AUG-2004	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	04V0004	Returned to Compliance	01-JUL-2004	31-JUL-2004	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	04V0003	Returned to Compliance	01-JUL-2004	31-JUL-2004	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	99V0084	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	99V0086	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	99V0088	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	99V0090	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	99V0094	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	99V0098	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	99V0100	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	99V0102	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	99V0104	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	99V0110	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	99V0018	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	99V0082	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	99V0020	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	99V0056	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	99V0060	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	99V0068	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	99V0070	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	99V0072	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	99V0074	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	99V0078	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	99V0080	Known	01-OCT-1998	31-DEC-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	99V0017	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	99V0109	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	99V0055	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	99V0059	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	99V0067	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	99V0069	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	99V0071	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	99V0073	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	99V0077	Known	01-JUL-1998	30-SEP-1998	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	99V0079	Known	01-JUL-1998	30-SEP-1998	No

1 - 50 of 161

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
63	41	SOX	State Compliance achieved	29-FEB-2024	State	M&R ARSENIC (Q2 2023)
61	40	SOX	State Compliance achieved	11-JUL-2023	State	LCR CN DELIVERED LATE FOR JUL-DEC 2022 PERIOD
58	38	SOX	State Compliance achieved	05-JUN-2019	State	M&R THM HAA5 8/2018
58	37	SOX	State Compliance achieved	05-JUN-2019	State	M&R THM HAA5 8/2018
54	36	SOX	State Compliance achieved	07-NOV-2013	State	TCR MONTHLY MAX. (MCL) FOR OCTOBER 2013
51	35	SFJ	State Formal Notice of Violation issued	09-SEP-2013	State	TCR MONTHLY MAX. (MCL) FOR JULY 2013
50	34	SFL	State Administrative/Compliance Order without penalty issued	21-AUG-2012	State	TCR ACUTE - BOIL ORDER - VERBAL ISSUED 8/17/12. TERMINATED 8/21/12.
50	33	SFL	State Administrative/Compliance Order without penalty issued	21-AUG-2012	State	TCR ACUTE - BOIL ORDER - VERBAL ISSUED 8/17/12. TERMINATED 8/21/12.
49	32	SOX	State Compliance achieved	30-NOV-2011	State	TCR MONTHLY MAX. MCL FOR SEPTEMBER 2011
47	31	SOX	State Compliance achieved	04-FEB-2011	State	TCR MONTHLY MAX. (MCL) FOR OCTOBER 2010
45	30	SOX	State Compliance achieved	13-OCT-2010	State	TCR MONTHLY MAX. (MCL) FOR JULY 2010
43	29	SOX	State Compliance achieved	07-OCT-2010	State	TCR MONTHLY MAX. (MCL) FOR SEPTEMBER 2010
40	2	SOX	State Compliance achieved	21-MAY-2010	State	TCR MONTHLY MAX. MCL FOR FEBRUARY 2010
36	98V0154	SOX	State Compliance achieved	29-AUG-2007	State	LCR -CORROSION CONTROL; ACO-CE-97-5006
32	05V0002	SOX	State Compliance achieved	31-JAN-2005	State	TCR - OCT 2004 ACUTE & MONTHLY & PN VIOLATIONS
32	05V0003	SOX	State Compliance achieved	31-JAN-2005	State	TCR - OCT 2004 ACUTE & MONTHLY & PN VIOLATIONS
31	04V0005	SOX	State Compliance achieved	08-OCT-2004	State	TCR-JULY & AUGUST MCL & MINOR REPEAT VIOLATIONS
31	04V0004	SOX	State Compliance achieved	08-OCT-2004	State	TCR-JULY & AUGUST MCL & MINOR REPEAT VIOLATIONS
31	04V0003	SOX	State Compliance achieved	08-OCT-2004	State	TCR-JULY & AUGUST MCL & MINOR REPEAT VIOLATIONS
31	04V0006	SOX	State Compliance achieved	08-OCT-2004	State	TCR-JULY & AUGUST MCL & MINOR REPEAT VIOLATIONS
10	99V0017	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0018	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0019	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0020	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0055	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0056	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0059	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0060	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0067	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0068	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0069	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0070	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0071	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0072	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0073	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0074	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0077	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0078	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0079	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0080	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0081	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0082	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0083	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0084	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0085	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0086	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0087	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0088	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0089	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98
10	99V0090	SFL	State Administrative/Compliance Order without penalty issued	22-MAR-1999	State	VOC Q3 & Q4 '98

1 - 50 of 161

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
NEW BOSTON ROAD #4	4	Yes	Well	Ground water	Emergency	Active
MAIN ST. WELLFIELD (3 GP WELLS)	21	Yes	Well	Ground water	Permanent	Active
SCHOFIELD AVE WELL 7	19	Yes	Well	Ground water	Permanent	Active
NEW BOSTON RD WELL 6	14	Yes	Well	Ground water	Permanent	Active
SCHOFIELD AVE WELL 3	3	Yes	Well	Ground water	Emergency	Inactive
SCHOFIELD AVENUE #2	2	Yes	Well	Ground water	Emergency	Inactive
MAIN STATION TWF (54 X 2.5)	1	Yes	Well	Ground water	Emergency	Inactive
SCHOFIELD AVENUE #5	5	Yes	Well	Ground water	Emergency	Active
GP WELL # 3, SCHOFIELD AVENUE PUMP	10	No	Pump Facility	-	-	Active
TANYARD ROAD BOOSTER PUMP STATION	11	No	Pump Facility	-	-	Active
NEW BOSTON WELL PUMP	15	No	Pump Facility	-	-	Active
SCHOFIELD AVE WELL 7 PUMP	20	No	Pump Facility	-	-	Active
PUMP STATION #1	23	No	Pump Facility	-	-	Active
GP WELL #4, BOSTON ROAD PUMP	6	No	Pump Facility	-	-	Active
GP WELL #5, SCHOFIELD AVENUE PUMP	7	No	Pump Facility	-	-	Active
TUBULAR WELLFIELD, 54 X 2.5 PUMP	8	No	Pump Facility	-	-	Inactive
GP WELL # 2, SCHOFIELD AVENUE PUMP	9	No	Pump Facility	-	-	Inactive
BATES ROAD COVERED RESERVOIR	12	No	Storage	-	-	Active
DRESSER HILL RD TANK	13	No	Storage	-	-	Active
DUDLEY WTP	22	No	Treatment Plant	-	-	Active
MAIN STREET STATION (01G) WTP	16	No	Treatment Plant	-	-	Inactive
SCHOFIELD AVE WTP	17	No	Treatment Plant	-	-	Inactive
NEW BOSTON ROAD WTP (06G)	18	No	Treatment Plant	-	-	Inactive

1 - 23 of 23

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
MAIN STREET STATION (01G) WTP	16	Hypochlorination, Post	Disinfection
MAIN STREET STATION (01G) WTP	16	pH Adjustment	Corrosion control
NEW BOSTON ROAD WTP (06G)	18	pH Adjustment	Corrosion control
NEW BOSTON ROAD WTP (06G)	18	Hypochlorination, Post	Disinfection
DUDLEY WTP	22	Filtration, Cartridge	Particulate removal
DUDLEY WTP	22	Activated Carbon, Granular	Organics removal
DUDLEY WTP	22	pH Adjustment, Post	Corrosion control
DUDLEY WTP	22	Hypochlorination, Post	Disinfection

1 - 8 of 8

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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