Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CT0170011
PWS Name	BRISTOL WATER DEPARTMENT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	52079
County Served	Hartford

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 Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4034949	Returned to Compliance	10-AUG-2025	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4034948	Returned to Compliance	01-JUL-2022	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4034913	Returned to Compliance	01-SEP-2019	30-NOV-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	4034921	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	4034920	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	4034919	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	4034916	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	4034915	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	4034914	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	4034928	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	4034927	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	4034922	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	4034929	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	4034918	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	4034926	Returned to Compliance	01-JAN-2019	31-DEC-2019	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4034911	Returned to Compliance	01-JUL-2014	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4034910	Returned to Compliance	01-APR-2010	30-JUN-2010	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	4029008	Returned to Compliance	01-JUN-2008	30-JUN-2008	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate-Nitrite	4033309	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	4033209	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	4032909	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	4032509	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	4032409	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	4033609	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	4032709	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	4032309	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	4033009	Returned to Compliance	01-JAN-2008	31-DEC-2008	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4027206	Returned to Compliance	10-AUG-2006	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4027106	Returned to Compliance	01-JUL-2006	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	4031509	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	4031409	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	4031309	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	4031709	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	4030909	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	4030709	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	4030609	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	4030509	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	4030409	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	4030309	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	4030109	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	4030009	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	4034709	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dinoseb	4034609	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	4034509	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	4034409	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	4034309	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	4034209	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	4034109	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Glyphosate	4034009	Returned to Compliance	01-JAN-2006	31-DEC-2008	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	4033909	Returned to Compliance	01-JAN-2006	31-DEC-2008	No

1 - 50 of 118

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
4022850	4034949	SOX	State Compliance achieved	25-SEP-2025	State	-
4022849	4034948	SOX	State Compliance achieved	05-OCT-2022	State	-
4022836	4034913	SIF	State Public Notification received	28-MAY-2020	State	-
4022835	4034914	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034929	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034928	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034927	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034926	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034922	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034921	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034920	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034919	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034918	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034916	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022835	4034915	SOX	State Compliance achieved	24-APR-2020	State	Results received
4022817	4034911	SIA	State Violation/Reminder Notice	14-JAN-2015	State	-
4022813	4034910	SIA	State Violation/Reminder Notice	25-AUG-2010	State	-
4022810	4033309	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4032409	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4033009	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4032909	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4032709	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4032509	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4033609	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4032309	SIF	State Public Notification received	28-APR-2010	State	-
4022810	4033209	SIF	State Public Notification received	28-APR-2010	State	-
4022209	4029509	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4029609	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4029709	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030009	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030109	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030309	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030409	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030509	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030609	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030709	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4030909	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4031309	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4031409	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4031509	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4031709	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4032009	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4032109	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4032209	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4033709	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4033809	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4033909	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4034009	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4034109	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
4022209	4034209	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-

1 - 50 of 118

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
INTERCONNECTION - CTWC - TERRYVILLE SYST	51902	Yes	Consecutive Connection	Ground water	Emergency	Active
BARLOW STREET WELL #1	27650	Yes	Well	Ground water	Seasonal	Active
MECHANIC STREET WELL #2	27880	Yes	Well	Ground water	Permanent	Inactive
MECHANIC STREET WELL #2A	57285	Yes	Well	Ground water	Permanent	Active
MIX STREET WELL #3	27883	Yes	Well	Ground water	Permanent	Active
MIX STREET WELL #4	27882	Yes	Well	Ground water	Permanent	Active
MIX STREET WELL #5	27881	Yes	Well	Ground water	Permanent	Active
BRISTOL RESERVOIR #7	32535	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #5	32534	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #4	32533	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #3	32532	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #2	32531	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #1	32530	Yes	Reservoir	Surface water	Permanent	Active
BRISTOL RESERVOIR #6	32732	Yes	Reservoir	Surface water	Other	Inactive
RESERVOIR # 1	19518	Yes	Intake	Surface water	Permanent	Active
INTERCONNECTION - CT0890011 - STAFFORD	45264	Yes	Consecutive Connection	Surface water	Permanent	Active
FILTER PLANT FINISHED WATER CLEARWELL	57289	No	Clear Well	-	-	Active
DISTRIBUTION SYSTEM	19525	No	Distribution System/Zone	-	-	Active
POLAND RIVER DIVERSION	51898	No	Other	-	-	Active
ROCK BROOK DIVERSION	51899	No	Other	-	-	Active
LEAD MINE BROOK DIVERSION	51900	No	Other	-	-	Active
WOLCOTT STREET PUMP STATION	51925	No	Pump Facility	-	-	Active
HILL STREET PUMP STATION	54008	No	Pump Facility	-	-	Active
MOUNTAIN ROAD/ DOWN ST PUMP STATION	54010	No	Pump Facility	-	-	Active
PECK LANE PUMP STATION	54012	No	Pump Facility	-	-	Active
RES #3 TO RES #7 RAW WATER PUMP STATION	54014	No	Pump Facility	-	-	Active
HIGH SERVICE PUMP STATION (PS #1)	57291	No	Pump Facility	-	-	Active
ENTRY POINT-FILTER PLANT	38932	No	Sampling Station	-	-	Active
ENTRY POINT-BARLOW STREET WELL 1	46053	No	Sampling Station	-	-	Active
ENTRY POINT-MECHANIC STREET WELL 2A	46054	No	Sampling Station	-	-	Active
ENTRY POINT-MIX STREET WELLS 3, 4, & 5	46055	No	Sampling Station	-	-	Active
FILTER PLANT FINISHED WATER TANK	45795	No	Storage	-	-	Active
HIGH SERVICE (PUMP STATION NO.1) WETWELL	45797	No	Storage	-	-	Active
HILL STREET TANK	45799	No	Storage	-	-	Active
CHAPEL STREET TANK	45801	No	Storage	-	-	Active
GROVE STREET TANK #2	45805	No	Storage	-	-	Active
OLD WOLCOTT ROAD TANK	45807	No	Storage	-	-	Active
STEVENS STREET TANK	45809	No	Storage	-	-	Active
DEWITT DRIVE TANK	45811	No	Storage	-	-	Active
SOUTH MOUNTAIN TANK	45813	No	Storage	-	-	Active
WITCHES ROCK TANK	53150	No	Storage	-	-	Active
GROVE STREET TANK #1	45803	No	Storage	-	-	Inactive
FILTER PLANT	36228	No	Treatment Plant	-	-	Active
MIX ST. WELLS #3, 4 & 5 TP	36229	No	Treatment Plant	-	-	Active
BARLOW STREET WELL #1 TP	36230	No	Treatment Plant	-	-	Active
MECHANIC ST WELL #2A TP	57287	No	Treatment Plant	-	-	Active
MECHANIC STREET WELL #2 TP	36231	No	Treatment Plant	-	-	Inactive

1 - 47 of 47

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
FILTER PLANT	36228	Activated Carbon, Powdered	Taste / odor control
FILTER PLANT	36228	Sedimentation	Particulate removal
FILTER PLANT	36228	Filtration, Rapid Sand	Particulate removal
FILTER PLANT	36228	Coagulation	Particulate removal
FILTER PLANT	36228	Hypochlorination, Post	Disinfection
FILTER PLANT	36228	pH Adjustment, Post	Corrosion control
FILTER PLANT	36228	Fluoridation	Other
FILTER PLANT	36228	Flocculation	Particulate removal
FILTER PLANT	36228	Inhibitor, Orthophosphate	Corrosion control
MIX ST. WELLS #3, 4 & 5 TP	36229	Inhibitor, Orthophosphate	Corrosion control
MIX ST. WELLS #3, 4 & 5 TP	36229	pH Adjustment, Post	Corrosion control
MIX ST. WELLS #3, 4 & 5 TP	36229	Fluoridation	Other
MIX ST. WELLS #3, 4 & 5 TP	36229	4-Log Treatment of Viruses	Disinfection
BARLOW STREET WELL #1 TP	36230	pH Adjustment, Post	Corrosion control
BARLOW STREET WELL #1 TP	36230	Hypochlorination, Post	Disinfection
BARLOW STREET WELL #1 TP	36230	Fluoridation	Other
MECHANIC STREET WELL #2 TP	36231	pH Adjustment, Post	Corrosion control
MECHANIC STREET WELL #2 TP	36231	Gaseous Chlorination, Post	Disinfection
MECHANIC STREET WELL #2 TP	36231	Fluoridation	Other
MECHANIC STREET WELL #2 TP	36231	Inhibitor, Orthophosphate	Corrosion control
MECHANIC ST WELL #2A TP	57287	Gaseous Chlorination, Post	Disinfection
MECHANIC ST WELL #2A TP	57287	pH Adjustment, Post	Corrosion control
MECHANIC ST WELL #2A TP	57287	Inhibitor, Orthophosphate	Corrosion control

1 - 23 of 23

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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