Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MA4221000
PWS Name	OAK BLUFFS WATER DISTRICT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	Yes
Population Served	24000
County Served	Dukes

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
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	50	Returned to Compliance	01-JUL-2015	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	49	Returned to Compliance	01-AUG-2014	31-AUG-2014	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	48	Returned to Compliance	01-JUN-2013	30-JUN-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	47	Returned to Compliance	01-MAY-2013	31-MAY-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	46	Returned to Compliance	01-NOV-2012	30-NOV-2012	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	30	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	31	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	39	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	45	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	33	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Xylenes, Total	40	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	21	Returned to Compliance	01-OCT-2010	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	36	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	35	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	38	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	23	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	41	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	37	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	43	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	27	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	34	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	24	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	28	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	26	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	32	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	25	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	29	Returned to Compliance	01-OCT-2010	31-DEC-2010	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	22	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	20	Returned to Compliance	01-APR-2010	30-APR-2010	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	19	Returned to Compliance	01-DEC-2009	31-DEC-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	18	Known	01-SEP-2009	30-SEP-2009	Yes
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	17	Returned to Compliance	03-JUL-2009	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	16	Returned to Compliance	01-JUL-2009	31-JUL-2009	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	15	Returned to Compliance	01-JUN-2009	30-JUN-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	14	Returned to Compliance	01-APR-2009	30-APR-2009	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	13	Returned to Compliance	01-SEP-2008	30-SEP-2008	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	12	Returned to Compliance	01-JAN-2008	31-JAN-2008	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	11	Returned to Compliance	01-SEP-2006	30-SEP-2006	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	7	Returned to Compliance	01-AUG-2006	31-AUG-2006	Yes
Other	Notification, State	Total Coliform Rule	Coliform (TCR)	10	Returned to Compliance	01-AUG-2006	31-AUG-2006	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9	Returned to Compliance	01-JUL-2006	31-JUL-2006	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	8	Returned to Compliance	01-JUN-2006	30-JUN-2006	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	2	Returned to Compliance	01-SEP-2005	30-SEP-2005	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	6	Returned to Compliance	01-SEP-2005	30-SEP-2005	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1	Returned to Compliance	01-AUG-2005	31-AUG-2005	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3	Returned to Compliance	01-AUG-2005	31-AUG-2005	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	5	Returned to Compliance	01-MAY-2005	31-MAY-2005	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4	Returned to Compliance	01-APR-2005	30-APR-2005	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	05V0001	Known	01-AUG-2004	31-AUG-2004	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	03V0001	Known	01-AUG-2003	31-AUG-2003	Yes

1 - 50 of 101

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
57	50	SFJ	State Formal Notice of Violation issued	04-AUG-2015	State	CCR
56	49	SOX	State Compliance achieved	07-OCT-2014	State	-
53	48	SOX	State Compliance achieved	30-AUG-2013	State	TCR: MONMCL MAY AND JUNE 2013
53	47	SOX	State Compliance achieved	30-AUG-2013	State	TCR: MONMCL MAY AND JUNE 2013
50	46	SOX	State Compliance achieved	21-FEB-2013	State	TCR: MONMCL NOV 2012
48	21	SOX	State Compliance achieved	22-AUG-2011	State	-
60	23	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	45	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	43	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	41	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	40	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	39	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	38	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	37	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	36	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	35	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	34	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	33	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	32	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	31	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	30	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	29	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	28	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	27	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	26	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	25	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
60	24	SOX	State Compliance achieved	22-APR-2011	State	EPA RTC
59	22	SOX	State Compliance achieved	31-MAR-2011	State	EPA RTC
44	20	SOX	State Compliance achieved	30-AUG-2010	State	TCR: MONMCL APRIL 2010
42	19	SOX	State Compliance achieved	25-FEB-2010	State	TCR: MONMCL DEC'09
40	18	SFL	State Administrative/Compliance Order without penalty issued	25-SEP-2009	State	BOIL ORDER
37	14	SOX	State Compliance achieved	09-SEP-2009	State	NON & RTC ISSUED FOR MONMCL APRIL 2009
39	16	SOX	State Compliance achieved	09-SEP-2009	State	NON&RTC ISSUED
39	15	SOX	State Compliance achieved	09-SEP-2009	State	NON&RTC ISSUED
39	17	SOX	State Compliance achieved	09-SEP-2009	State	NON&RTC ISSUED
35	13	SOX	State Compliance achieved	31-DEC-2008	State	ISSUED NON & RTC
33	12	SOX	State Compliance achieved	28-MAY-2008	State	TCR: MIMREP JAN'08
31	11	SOX	State Compliance achieved	16-MAY-2007	State	TCR: MONMCL SEP'06
29	9	SOX	State Compliance achieved	16-MAY-2007	State	TCR: MONMCL AUG'06, MINROU JUN'06, MINROU JUL'06, STNOT AUG'06
29	8	SOX	State Compliance achieved	16-MAY-2007	State	TCR: MONMCL AUG'06, MINROU JUN'06, MINROU JUL'06, STNOT AUG'06
29	10	SOX	State Compliance achieved	16-MAY-2007	State	TCR: MONMCL AUG'06, MINROU JUN'06, MINROU JUL'06, STNOT AUG'06
29	7	SOX	State Compliance achieved	16-MAY-2007	State	TCR: MONMCL AUG'06, MINROU JUN'06, MINROU JUL'06, STNOT AUG'06
25	2	SOX	State Compliance achieved	18-MAY-2006	State	TCR
25	1	SOX	State Compliance achieved	18-MAY-2006	State	TCR
25	4	SOX	State Compliance achieved	18-MAY-2006	State	TCR
25	3	SOX	State Compliance achieved	18-MAY-2006	State	TCR
25	6	SOX	State Compliance achieved	18-MAY-2006	State	TCR
25	5	SOX	State Compliance achieved	18-MAY-2006	State	TCR
23	05V0001	SFL	State Administrative/Compliance Order without penalty issued	29-OCT-2004	State	ISSUED. PN AND CERT AS REQUIRED, TEMP CHLORINATION OF SYSTEM
22	03V0001	SFL	State Administrative/Compliance Order without penalty issued	03-SEP-2003	State	SYSTEM CHLORINATED SOURCES,SYSTEM, PN ISSUED AS REQUIRED FOR ACUTE VIOLATIONS

1 - 50 of 101

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
TISBURY SUPPLY	4	Yes	Consecutive Connection	Ground water	Permanent	Active
WELL 3 STATE FOREST	3	Yes	Well	Ground water	Permanent	Active
FARM NECK WELL ON TRADEWINDS RD	2	Yes	Well	Ground water	Permanent	Active
JOHN H. RANDOLPH JR. WELL 5	16	Yes	Well	Ground water	Permanent	Active
MADISON ALWARDT SR. WELL 4	10	Yes	Well	Ground water	Permanent	Active
LAGOON POND WELLFIELD	1	Yes	Well	Ground water	Permanent	Active
WELL 4 AND WELL 5 PUMP	11	No	Pump Facility	-	-	Active
EDGARTOWN ROAD BOOSTER STATION	19	No	Pump Facility	-	-	Active
WELL 1 LAGOON POND PUMP	7	No	Pump Facility	-	-	Active
FARM NECK. WELL PUMP	8	No	Pump Facility	-	-	Active
WELL 3 STATE FOREST PUMP	9	No	Pump Facility	-	-	Active
STANDPIPE NO. 1	6	No	Storage	-	-	Active
STANDPIPE NO. 1	5	No	Storage	-	-	Inactive
WELL 1 LAGOON POND TREATMENT PLANT	12	No	Treatment Plant	-	-	Active
WELL 2 FARM NECK TREATMENT PLANT	13	No	Treatment Plant	-	-	Active
WELL 3 STATE FOREST TREATMENT PLANT	14	No	Treatment Plant	-	-	Active
WELL 4 AND 5 TREATMENT PLANT	15	No	Treatment Plant	-	-	Active

1 - 17 of 17

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL 1 LAGOON POND TREATMENT PLANT	12	pH Adjustment	Corrosion control
WELL 1 LAGOON POND TREATMENT PLANT	12	Sequestration	Iron removal
WELL 1 LAGOON POND TREATMENT PLANT	12	Fluoridation	Other
WELL 1 LAGOON POND TREATMENT PLANT	12	4-Log Treatment of Viruses	Disinfection
WELL 1 LAGOON POND TREATMENT PLANT	12	Hypochlorination, Post	Disinfection
WELL 2 FARM NECK TREATMENT PLANT	13	pH Adjustment	Corrosion control
WELL 2 FARM NECK TREATMENT PLANT	13	Fluoridation	Other
WELL 3 STATE FOREST TREATMENT PLANT	14	pH Adjustment	Corrosion control
WELL 3 STATE FOREST TREATMENT PLANT	14	Fluoridation	Other
WELL 4 AND 5 TREATMENT PLANT	15	pH Adjustment	Corrosion control
WELL 4 AND 5 TREATMENT PLANT	15	Fluoridation	Other
WELL 4 AND 5 TREATMENT PLANT	15	Sequestration	Iron removal
WELL 4 AND 5 TREATMENT PLANT	15	Hypochlorination, Pre	Disinfection

1 - 13 of 13

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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