Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	CT0670331
PWS Name	CTWC - AMSTON LAKE DIVISION
PWS Type	Community water system
Owner Type	Private
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	910
County Served	Tolland

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	Monitoring, Regular	Synthetic Organic Chemicals	ETHYLENE DIBROMIDE	57654	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	57658	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	1,2-DIBROMO-3-CHLOROPROPANE	57653	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Styrene	57705	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Ethylbenzene	57702	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Toluene	57701	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	57700	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	CHLOROBENZENE	57699	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	57697	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Uranium	57657	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	57656	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	57615	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	57628	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	57629	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	57630	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dalapon	57616	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Diquat	57617	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Glyphosate	57618	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	57619	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	57620	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	57621	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	57622	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	57623	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Dinoseb	57624	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	57625	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfoxide	57633	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb sulfone	57634	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	57636	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Aldicarb	57637	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	57638	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	57639	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	57640	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	57642	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	57650	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	57646	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	57647	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	HEXACHLOROBENZENE	57626	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	57627	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Pentachlorophenol	57648	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2,4-Trichlorobenzene	57664	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	cis-1,2-Dichloroethylene	57665	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	57655	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	DICHLOROMETHANE	57680	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	o-Dichlorobenzene	57684	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	57685	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Vinyl chloride	57686	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	57687	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	trans-1,2-Dichloroethylene	57689	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	57690	Known	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	57691	Known	01-JAN-2014	31-DEC-2016	No

1 - 50 of 77

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
147219	57615	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57705	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57616	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57617	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57618	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57619	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57620	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57621	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57622	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57623	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57624	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57625	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57626	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57627	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57628	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57629	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57630	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57633	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57634	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57636	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57637	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57638	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57639	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57640	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57642	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57646	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57647	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57648	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57650	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57653	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57654	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57655	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57656	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57657	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57658	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57664	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57665	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57680	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57684	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57685	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57686	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57687	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57689	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57690	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57691	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57692	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57693	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57694	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57695	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive
147219	57697	SO6	State Intentional no-action	23-AUG-2019	State	Facility Inactive

1 - 50 of 77

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
TURNER ROAD WELL 1	26946	Yes	Well	Ground water	Emergency	Inactive
ISLAND BEACH WELL	26939	Yes	Well	Ground water	Seasonal	Active
FIREHOUSE WELL	27528	Yes	Well	Ground water	Permanent	Inactive
CHURCH ST WELL	58776	Yes	Well	Ground water	Permanent	Active
TURNER ROAD WELL 2	26947	Yes	Well	Ground water	Emergency	Inactive
DISTRIBUTION SYSTEM	21425	No	Distribution System/Zone	-	-	Active
ISLAND BEACH PUMP STATION	52602	No	Pump Facility	-	-	Active
ENTRY POINT - ISLAND BEACH WELL	46243	No	Sampling Station	-	-	Active
ENTRY POINT - CHURCH ST WELL	58779	No	Sampling Station	-	-	Active
ENTRY POINT - FIREHOUSE WELL	38557	No	Sampling Station	-	-	Inactive
ST RONAN RD TANK	52596	No	Storage	-	-	Active
ISLAND BEACH TANK	52598	No	Storage	-	-	Active
ISLAND BEACH PRESSURE TANKS	52600	No	Storage	-	-	Active
ISLAND BEACH PUMPHOUSE	48844	No	Treatment Plant	-	-	Active
CHURCH ST TREATMENT PLANT	58778	No	Treatment Plant	-	-	Active
FIREHOUSE WELL PUMPHOUSE	36344	No	Treatment Plant	-	-	Inactive

1 - 16 of 16

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
FIREHOUSE WELL PUMPHOUSE	36344	Hypochlorination, Pre	Iron removal
FIREHOUSE WELL PUMPHOUSE	36344	pH Adjustment	Corrosion control
FIREHOUSE WELL PUMPHOUSE	36344	Inhibitor, Polyphosphate	Corrosion control
FIREHOUSE WELL PUMPHOUSE	36344	Filtration, Greensand	Iron removal
ISLAND BEACH PUMPHOUSE	48844	Hypochlorination, Pre	Iron removal
ISLAND BEACH PUMPHOUSE	48844	Filtration, Greensand	Iron removal
ISLAND BEACH PUMPHOUSE	48844	pH Adjustment	Corrosion control
CHURCH ST TREATMENT PLANT	58778	Ion Exchange	Iron removal
CHURCH ST TREATMENT PLANT	58778	Hypochlorination, 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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