Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	WV3305412
PWS Name	WILLIAMSTOWN WATER DEPT
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	3469
County Served	Wood

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	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	120342	Open	01-OCT-2025	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	120340	Open	01-OCT-2024	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	120339	Returned to Compliance	01-OCT-2024	-	No
MR	Monitoring, Regular	Inorganic Chemicals	Chromium	120363	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Benzo(a)pyrene	120357	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	120372	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Nickel	120367	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Mercury	120366	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	120365	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	CYANIDE	120364	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	120356	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	120358	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Cadmium	120362	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Barium	120361	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	120360	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	120355	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	120354	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	120353	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	120352	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	120351	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	120350	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	120349	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) phthalate	120348	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Simazine	120347	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	OXAMYL	120346	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Di(2-ethylhexyl) adipate	120345	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	120344	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	120343	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Chlordane	120359	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Antimony, Total	120369	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	120371	Known	01-JAN-2023	31-DEC-2025	No
MR	Monitoring, Regular	Inorganic Chemicals	Beryllium, Total	120370	Known	01-JAN-2023	31-DEC-2025	No
TT	Failure To Address Deficiency	Ground Water Rule	Groundwater Rule	120336	Returned to Compliance	02-DEC-2020	-	Yes
Other	Failure to Consult with State	Ground Water Rule	Groundwater Rule	120332	Returned to Compliance	17-APR-2020	-	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	120373	Known	01-JAN-2020	31-DEC-2025	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Radium-228	120374	Known	01-JAN-2020	31-DEC-2025	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	120331	Open	01-JUL-2019	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	120330	Returned to Compliance	01-JAN-2019	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	120329	Open	01-OCT-2018	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	120326	Returned to Compliance	28-AUG-2014	-	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	120328	Returned to Compliance	01-JAN-2014	31-DEC-2016	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	120324	Returned to Compliance	01-JUL-2013	31-JUL-2013	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Total Polychlorinated Biphenyls (PCB)	120322	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor epoxide	120319	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Heptachlor	120318	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	LASSO	120317	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Atrazine	120316	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Carbofuran	120315	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Hexachlorocyclopentadiene	120314	Returned to Compliance	01-JAN-2008	31-DEC-2010	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Picloram	120313	Returned to Compliance	01-JAN-2008	31-DEC-2010	No

1 - 50 of 59

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
7072161	120342	SIE	State Public Notification requested	13-NOV-2025	State	-
7072159	120340	SIF	State Public Notification received	30-OCT-2025	State	-
7072154	120339	SOX	State Compliance achieved	30-SEP-2024	State	-
7072145	120336	SOX	State Compliance achieved	10-MAY-2021	State	-
7072134	120332	SFJ	State Formal Notice of Violation issued	16-JUN-2020	State	-
7072133	120331	SFJ	State Formal Notice of Violation issued	15-AUG-2019	State	-
7072130	120330	SFJ	State Formal Notice of Violation issued	30-MAR-2019	State	-
7072129	120329	SFJ	State Formal Notice of Violation issued	16-NOV-2018	State	-
7072126	120328	SFJ	State Formal Notice of Violation issued	16-FEB-2017	State	-
7072122	120326	SOX	State Compliance achieved	11-SEP-2014	State	-
7072123	120324	SIF	State Public Notification received	11-SEP-2014	State	-
7072111	120312	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120313	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120314	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120315	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120316	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120317	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120318	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120319	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120320	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120321	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120322	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120323	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120311	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120308	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120309	SIF	State Public Notification received	23-AUG-2011	State	-
7072111	120310	SIF	State Public Notification received	23-AUG-2011	State	-
7059302	119502	SIF	State Public Notification received	02-MAY-2002	State	-

1 - 28 of 28

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL NO1	1125	Yes	Well	Ground water	Permanent	Active
WELL #5	5124	Yes	Well	Ground water	Permanent	Active
WELL NO4	5107	Yes	Well	Ground water	Permanent	Active
WELL NO3	5066	Yes	Well	Ground water	Permanent	Active
WELL NO2	4827	Yes	Well	Ground water	Permanent	Active
DIST SYSTEM	5729	No	Distribution System/Zone	-	-	Active
PF001	19667	No	Pump Facility	-	-	Active
WEST TANK	18004	No	Storage	-	-	Active
EAST 1 TANK	18012	No	Storage	-	-	Active
EAST 2	18013	No	Storage	-	-	Active
CONTACT TANK AT PLANT	18879	No	Storage	-	-	Active
TREATMENT PLANT	11303	No	Treatment Plant	-	-	Active

1 - 12 of 12

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT PLANT	11303	Gaseous Chlorination, Post	Disinfection
TREATMENT PLANT	11303	Fluoridation	Other
TREATMENT PLANT	11303	4-Log Treatment of Viruses	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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