Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CT0930011
PWS Name	REGIONAL WATER AUTHORITY
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	418900
County Served	New Haven

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	51080	Returned to Compliance	30-DEC-2020	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	CARBON, TOTAL	51068	Known	01-JAN-2017	31-MAR-2017	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	51013	Returned to Compliance	10-AUG-2015	-	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	51060	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	51063	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	51056	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	51055	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	51054	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	51052	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,2-Trichloroethane	51050	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	51049	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloropropane	51048	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	51047	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	51046	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	51045	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	51044	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	51042	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	51041	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	51040	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	51039	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	51035	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	51020	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	51019	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	51066	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Nitrate Rule	Nitrite	51064	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	51065	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	51057	Returned to Compliance	01-JAN-2015	31-DEC-2015	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	51067	Returned to Compliance	30-DEC-2014	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	51011	Returned to Compliance	09-MAR-2014	08-JUN-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	51012	Returned to Compliance	09-MAR-2014	08-JUN-2014	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	50309	Returned to Compliance	10-AUG-2008	-	No

1 - 31 of 31

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1134	51080	SOX	State Compliance achieved	26-MAY-2021	State	-
1124	51067	SOX	State Compliance achieved	22-MAY-2017	State	-
1117	51035	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51039	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51040	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51041	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51042	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51044	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51045	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51046	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51047	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51048	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51020	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51019	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51049	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1115	51066	SOX	State Compliance achieved	14-APR-2016	State	results received
1115	51065	SOX	State Compliance achieved	14-APR-2016	State	results received
1115	51064	SOX	State Compliance achieved	14-APR-2016	State	results received
1117	51050	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51052	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51054	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51055	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51056	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51057	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1117	51060	SIA	State Violation/Reminder Notice	14-APR-2016	State	-
1115	51063	SOX	State Compliance achieved	14-APR-2016	State	results received
1113	51013	SIA	State Violation/Reminder Notice	28-OCT-2015	State	-
1112	51012	SOX	State Compliance achieved	25-AUG-2014	State	Results Received
1112	51011	SOX	State Compliance achieved	25-AUG-2014	State	Results Received
1109	50309	SIA	State Violation/Reminder Notice	18-NOV-2008	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
INTERCONNECTION - CT1310011 SOUTHINGTON	61045	Yes	Consecutive Connection	Surface water	Emergency	Active
SEYMOUR WELL 4R	54768	Yes	Well	Ground water	Permanent	Inactive
NORTH CHESHIRE WELL #2	27782	Yes	Well	Ground water	Permanent	Inactive
SEYMOUR WELL 4B	62033	Yes	Well	Ground water	Permanent	Active
NORTH SLEEPING GIANT WELL #1R	61166	Yes	Well	Ground water	Permanent	Active
NORTH SLEEPING GIANT WELL #2R	55350	Yes	Well	Ground water	Permanent	Active
SEYMOUR WELL 7	54770	Yes	Well	Ground water	Permanent	Active
SEYMOUR WELL 6	54769	Yes	Well	Ground water	Permanent	Active
SEYMOUR WELL 5	54767	Yes	Well	Ground water	Permanent	Active
DERBY WELL 1	54760	Yes	Well	Ground water	Permanent	Active
MOUNT CARMEL WELL #2	27824	Yes	Well	Ground water	Permanent	Active
MOUNT CARMEL WELL #1A	27823	Yes	Well	Ground water	Permanent	Active
SOUTH SLEEPING GIANT WELL #1	27822	Yes	Well	Ground water	Permanent	Active
NORTH SLEEPING GIANT WELL #4	27821	Yes	Well	Ground water	Permanent	Active
NORTH SLEEPING GIANT WELL #2	27820	Yes	Well	Ground water	Permanent	Active
NORTH SLEEPING GIANT WELL #1	27819	Yes	Well	Ground water	Permanent	Active
SOUTH CHESHIRE WELL #2	27818	Yes	Well	Ground water	Permanent	Active
SOUTH CHESHIRE WELL #1	27817	Yes	Well	Ground water	Permanent	Active
NORTH CHESHIRE WELL #5	27785	Yes	Well	Ground water	Permanent	Active
NORTH CHESHIRE WELL #4	27784	Yes	Well	Ground water	Permanent	Active
NORTH CHESHIRE WELL #1	27781	Yes	Well	Ground water	Permanent	Active
NORTH CHESHIRE WELL #6	27587	Yes	Well	Ground water	Permanent	Active
NORTH CHESHIRE WELL #3	27783	Yes	Well	Ground water	Emergency	Inactive
PROSPECT RESERVOIR	32749	Yes	Reservoir	Surface water	Permanent	Inactive
MALTBY LAKES #3	32748	Yes	Reservoir	Surface water	Permanent	Inactive
MALTBY LAKES #2	32747	Yes	Reservoir	Surface water	Permanent	Inactive
MALTBY LAKES #1	32746	Yes	Reservoir	Surface water	Permanent	Inactive
TROUT BROOK DIVERSION	32745	Yes	Reservoir	Surface water	Permanent	Inactive
WEPAWAUG DIVERSION	32744	Yes	Reservoir	Surface water	Permanent	Inactive
WEST BROOK DIVERSION	32659	Yes	Reservoir	Surface water	Permanent	Inactive
WEST RIVER	49806	Yes	Reservoir	Surface water	Permanent	Active
FURNACE POND	32763	Yes	Reservoir	Surface water	Permanent	Active
LAKE WHITNEY	32743	Yes	Reservoir	Surface water	Permanent	Active
LAKE SALTONSTALL	32657	Yes	Reservoir	Surface water	Permanent	Active
LAKE DAWSON	32656	Yes	Reservoir	Surface water	Permanent	Active
LAKE GLEN	32655	Yes	Reservoir	Surface water	Permanent	Active
LAKE CHAMBERLAIN	32654	Yes	Reservoir	Surface water	Permanent	Active
LAKE WATROUS	32653	Yes	Reservoir	Surface water	Permanent	Active
LAKE BETHANY	32652	Yes	Reservoir	Surface water	Permanent	Active
LAKE GAILLARD	32644	Yes	Reservoir	Surface water	Permanent	Active
LAKE MENUNKETUC	32643	Yes	Reservoir	Surface water	Permanent	Active
LAKE HAMMONASSET	32642	Yes	Reservoir	Surface water	Permanent	Active
PEAT SWAMP RESERVOIR	44655	Yes	Reservoir	Surface water	Other	Inactive
WILMOT DIVERSION	44654	Yes	Reservoir	Surface water	Other	Inactive
WINTERGREEN	44653	Yes	Reservoir	Surface water	Other	Inactive
LAKE WHITNEY	22478	Yes	Intake	Surface water	Permanent	Inactive
WEST RIVER RAW INTAKE	48229	Yes	Intake	Surface water	Permanent	Active
LAKE GLEN	44648	Yes	Intake	Surface water	Permanent	Active
LAKE WATROUS	36765	Yes	Intake	Surface water	Permanent	Active
LAKE DAWSON	22480	Yes	Intake	Surface water	Permanent	Active

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
WEST RIVER WATER TREATMENT PLANT	36439	Gaseous Chlorination, Pre	Disinfection
WEST RIVER WATER TREATMENT PLANT	36439	pH Adjustment, Pre	Particulate removal
WEST RIVER WATER TREATMENT PLANT	36439	Permanganate	Taste / odor control
WEST RIVER WATER TREATMENT PLANT	36439	Rapid Mix	Particulate removal
WEST RIVER WATER TREATMENT PLANT	36439	Filtration, Rapid Sand	Particulate removal
WEST RIVER WATER TREATMENT PLANT	36439	Inhibitor, Polyphosphate	Corrosion control
WEST RIVER WATER TREATMENT PLANT	36439	pH Adjustment, Post	Corrosion control
WEST RIVER WATER TREATMENT PLANT	36439	Gaseous Chlorination, Post	Disinfection
WEST RIVER WATER TREATMENT PLANT	36439	Fluoridation	Other
WEST RIVER WATER TREATMENT PLANT	36439	Peroxide	Organics removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Gaseous Chlorination, Pre	Disinfection
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Rapid Mix	Particulate removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Coagulation	Particulate removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Flocculation	Particulate removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Sedimentation	Particulate removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Filtration, Rapid Sand	Particulate removal
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Inhibitor, Polyphosphate	Corrosion control
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	pH Adjustment, Post	Corrosion control
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Fluoridation	Other
LAKE SALTONSTALL WATER TREATMENT PLANT	36440	Hypochlorination, Post	Disinfection
LAKE GAILLARD TREATMENT PLANT	36441	Gaseous Chlorination, Pre	Disinfection
LAKE GAILLARD TREATMENT PLANT	36441	pH Adjustment, Pre	Particulate removal
LAKE GAILLARD TREATMENT PLANT	36441	Permanganate	Taste / odor control
LAKE GAILLARD TREATMENT PLANT	36441	Coagulation	Particulate removal
LAKE GAILLARD TREATMENT PLANT	36441	Flocculation	Particulate removal
LAKE GAILLARD TREATMENT PLANT	36441	Filtration, Rapid Sand	Particulate removal
LAKE GAILLARD TREATMENT PLANT	36441	Inhibitor, Polyphosphate	Corrosion control
LAKE GAILLARD TREATMENT PLANT	36441	pH Adjustment, Post	Corrosion control
LAKE GAILLARD TREATMENT PLANT	36441	Gaseous Chlorination, Post	Disinfection
LAKE GAILLARD TREATMENT PLANT	36441	Fluoridation	Other
LAKE GAILLARD TREATMENT PLANT	36441	Permanganate	Iron removal
NORTH SLEEPING GIANT WELLFIELD TR ST	36445	Inhibitor, Polyphosphate	Corrosion control
NORTH SLEEPING GIANT WELLFIELD TR ST	36445	Gaseous Chlorination, Post	Disinfection
NORTH SLEEPING GIANT WELLFIELD TR ST	36445	Fluoridation	Other
NORTH SLEEPING GIANT WELLFIELD TR ST	36445	4-Log Treatment of Viruses	Disinfection
SOUTH SLEEPING GIANT WELLFIELD TR ST	36446	Inhibitor, Polyphosphate	Corrosion control
SOUTH SLEEPING GIANT WELLFIELD TR ST	36446	Gaseous Chlorination, Post	Disinfection
SOUTH SLEEPING GIANT WELLFIELD TR ST	36446	Fluoridation	Other
SOUTH SLEEPING GIANT WELLFIELD TR ST	36446	4-Log Treatment of Viruses	Disinfection
MOUNT CARMEL WELLFIELD TREATMENT STATION	36447	Inhibitor, Polyphosphate	Corrosion control
MOUNT CARMEL WELLFIELD TREATMENT STATION	36447	Fluoridation	Other
MOUNT CARMEL WELLFIELD TREATMENT STATION	36447	4-Log Treatment of Viruses	Disinfection
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	Inhibitor, Polyphosphate	Corrosion control
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	Gaseous Chlorination, Post	Disinfection
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	Gaseous Chlorination, Pre	Disinfection
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	Fluoridation	Other
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	Aeration, Packed Tower	Organics removal
NORTH CHESHIRE WELLFIELD TREATMENT ST	36448	4-Log Treatment of Viruses	Disinfection
SOUTH CHESHIRE WELLFIELD TREATMENT ST	36449	Inhibitor, Polyphosphate	Corrosion control
SOUTH CHESHIRE WELLFIELD TREATMENT ST	36449	Gaseous Chlorination, Post	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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