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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.

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Violations

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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
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1136413	Known	01-OCT-2025	31-DEC-2025	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1136412	Known	01-JUL-2025	30-SEP-2025	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	1136411	Returned to Compliance	01-OCT-2023	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	1136410	Returned to Compliance	01-APR-2015	30-JUN-2015	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	1136408	Returned to Compliance	18-SEP-2008	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1136308	Returned to Compliance	01-AUG-2008	31-AUG-2008	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1136208	Returned to Compliance	01-AUG-2008	31-AUG-2008	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1135906	Returned to Compliance	01-APR-2006	30-APR-2006	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1135706	Returned to Compliance	01-DEC-2005	31-DEC-2005	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	1135806	Returned to Compliance	01-OCT-2005	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1135505	Returned to Compliance	01-OCT-2004	31-OCT-2004	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1135604	Returned to Compliance	01-JUL-2004	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	1135403	Returned to Compliance	01-JUL-2003	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1128103	Returned to Compliance	01-JUL-2003	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1106098	Returned to Compliance	01-AUG-1998	31-AUG-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1079995	Returned to Compliance	01-SEP-1995	30-SEP-1995	Yes
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	1088195	Returned to Compliance	01-APR-1995	30-JUN-1995	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1065094	Returned to Compliance	01-MAR-1994	31-MAR-1994	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1040192	Returned to Compliance	01-MAY-1992	31-MAY-1992	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
13129	1136413	SIF	State Public Notification received	18-DEC-2025	State	-
13124	1136412	SFJ	State Formal Notice of Violation issued	29-OCT-2025	State	-
13120	1136411	SIA	State Violation/Reminder Notice	26-APR-2024	State	-
13118	1136410	SOX	State Compliance achieved	18-SEP-2015	State	Facility WL009 inactivity date 9/18/15. Sample taken 7/23/2015; had detection but <MCL.
13110	1136408	SOX	State Compliance achieved	07-SEP-2009	State	PN cert rec'd
13108	1136308	SOX	State Compliance achieved	24-SEP-2008	State	said he never rec'd viol, PN cert rec'd, PN viol issued
12508	1136208	SOX	State Compliance achieved	22-SEP-2008	State	Violations posted 9/19/2008, TCR posted late, due 9/17/08, PN violation issued. 3 coliform A/a on 8/21/08.
11107	1135906	SOX	State Compliance achieved	29-JUN-2007	State	PN in CCR
10906	1135806	SOX	State Compliance achieved	14-JUN-2006	State	-
10006	1135706	SOX	State Compliance achieved	30-DEC-2005	State	-
9405	1135604	SIA	State Violation/Reminder Notice	08-FEB-2005	State	-
9205	1135505	SOX	State Compliance achieved	01-NOV-2004	State	-
8204	1135403	SOX	State Compliance achieved	15-APR-2004	State	-
8003	1128103	SOX	State Compliance achieved	29-JUL-2003	State	-
7798	1106098	SOX	State Compliance achieved	04-SEP-1998	State	-
7295	1079995	SOX	State Compliance achieved	29-SEP-1995	State	-
5595	1088195	SOX	State Compliance achieved	12-SEP-1995	State	-
5194	1065094	SOX	State Compliance achieved	13-APR-1994	State	-
4592	1040192	SOX	State Compliance achieved	13-AUG-1992	State	-

• 1 - 19 of 19

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CITY OF WOONSOCKET	3209	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL #6	435	Yes	Well	Ground water	Permanent	Inactive
SLATER VILLAGE WELL	434	Yes	Well	Ground water	Permanent	Inactive
TIFFT ROAD WELL	436	Yes	Well	Ground water	Emergency	Inactive
DISTRIBUTION SYSTEM	1348	No	Distribution System/Zone	-	-	Active
PUMP FACILITY 1	4231	No	Pump Facility	-	-	Active
PUMP FACILITY 2	5287	No	Pump Facility	-	-	Active
HISTORICAL	2678	No	Sampling Station	-	-	Active
HISTORICAL	2679	No	Sampling Station	-	-	Active
HISTORICAL	2680	No	Sampling Station	-	-	Active
HISTORICAL	2681	No	Sampling Station	-	-	Active
HISTORICAL	2682	No	Sampling Station	-	-	Active
SAMPLING STATION	2926	No	Sampling Station	-	-	Active
STORAGE TANK 1	2456	No	Storage	-	-	Active
TREATMENT PLANT CC003	3210	No	Treatment Plant	-	-	Active
TREATMENT PLANT TIFT RD. WELL	53	No	Treatment Plant	-	-	Inactive
TREATMENT PLANT WELL 6	54	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT CC003	3210	Hypochlorination, Post	Disinfection
TREATMENT PLANT TIFT RD. WELL	53	pH Adjustment, Post	Disinfection by-products control
TREATMENT PLANT WELL 6	54	pH Adjustment, Post	Disinfection by-products control

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