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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL1175100
PWS Name	LAKE WILLIAMSON CHRISTIAN CENTER
PWS Type	Community water system
Owner Type	Private
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	1250
County Served	Macoupin

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
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4341827	Returned to Compliance	01-NOV-2025	30-NOV-2025	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4341828	Returned to Compliance	01-NOV-2025	30-NOV-2025	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4341826	Open	01-JUL-2025	-	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4341824	Returned to Compliance	01-SEP-2023	30-SEP-2023	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4341825	Returned to Compliance	01-JUL-2023	30-SEP-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	4341822	Returned to Compliance	01-AUG-2021	31-OCT-2021	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	4341823	Returned to Compliance	01-AUG-2021	31-OCT-2021	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	4341820	Returned to Compliance	01-SEP-2019	30-SEP-2019	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4341821	Returned to Compliance	01-JUL-2019	30-SEP-2019	No
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	4341819	Returned to Compliance	01-AUG-2015	31-AUG-2015	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	4341818	Returned to Compliance	01-JUL-2015	31-JUL-2015	Yes
TT	Monthly Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	4341816	Returned to Compliance	01-MAY-2015	31-MAY-2015	Yes
TT	Single Turbidity Exceed (Enhanced SWTR)	Interim and Long Term 1 Enhanced Surface Water Treatment Rule	Interim Enhanced Surface Water Treatment Rule	4341817	Returned to Compliance	01-MAY-2015	31-MAY-2015	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorite	4341815	Returned to Compliance	01-APR-2014	30-APR-2014	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4341813	Returned to Compliance	01-NOV-2013	30-NOV-2013	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4341814	Returned to Compliance	01-OCT-2013	31-DEC-2013	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4341811	Returned to Compliance	01-JUL-2011	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4341810	Returned to Compliance	01-JUL-2011	-	No
MRDL	Non-Acute MRDL	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine dioxide	4341812	Returned to Compliance	01-JUN-2011	30-JUN-2011	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	4341809	Returned to Compliance	01-APR-2009	30-JUN-2009	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4341606	Returned to Compliance	01-MAR-2006	31-MAR-2006	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	4340899	Known	01-DEC-1998	31-DEC-1998	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3665897	Known	01-DEC-1996	31-DEC-1996	No
MCL	Maximum Contaminant Level Violation, Average	Synthetic Organic Chemicals	Atrazine	3554396	Returned to Compliance	01-JUL-1996	30-SEP-1996	Yes
MCL	Maximum Contaminant Level Violation, Average	Synthetic Organic Chemicals	Atrazine	3457096	Returned to Compliance	01-APR-1996	30-JUN-1996	Yes
MCL	Maximum Contaminant Level Violation, Average	Synthetic Organic Chemicals	Atrazine	3398196	Returned to Compliance	01-JAN-1996	31-MAR-1996	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	2801695	Known	01-DEC-1994	31-DEC-1994	No

1 - 27 of 27

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
7891876	4341827	SIE	State Public Notification requested	30-DEC-2025	State	-
7891878	4341828	SIE	State Public Notification requested	30-DEC-2025	State	-
7891874	4341826	SIF	State Public Notification received	25-AUG-2025	State	-
7891870	4341825	SIF	State Public Notification received	07-FEB-2024	State	-
7891871	4341824	SIF	State Public Notification received	07-FEB-2024	State	-
7891859	4341822	SIF	State Public Notification received	14-FEB-2022	State	-
7891860	4341823	SIF	State Public Notification received	14-FEB-2022	State	-
7891854	4341820	SOX	State Compliance achieved	25-OCT-2019	State	-
7891854	4341821	SOX	State Compliance achieved	25-OCT-2019	State	-
7891846	4341819	SIF	State Public Notification received	21-OCT-2015	State	-
7891847	4341818	SOX	State Compliance achieved	05-OCT-2015	State	-
7891839	4341816	SOX	State Compliance achieved	07-JUL-2015	State	-
7891839	4341817	SOX	State Compliance achieved	07-JUL-2015	State	-
7891832	4341815	SOX	State Compliance achieved	23-MAY-2014	State	-
7891828	4341813	SOX	State Compliance achieved	17-DEC-2013	State	samples received 12/17/2013
7891828	4341814	SOX	State Compliance achieved	17-DEC-2013	State	samples received 12/17/2013
7891823	4341812	SOX	State Compliance achieved	07-OCT-2011	State	date of receipt of the September SWTR Reports from Carlinville
7891818	4341811	SIA	State Violation/Reminder Notice	25-AUG-2011	State	-
7891817	4341810	SOX	State Compliance achieved	01-AUG-2011	State	-
7891815	4341809	SOX	State Compliance achieved	15-JUN-2009	State	submitted residual 06/15/2009
7891107	4341606	SOX	State Compliance achieved	01-OCT-2006	State	Supply without a coliform violation for 6 months.
7890499	4340899	SIE	State Public Notification requested	15-FEB-1999	State	-
6251897	3665897	SIE	State Public Notification requested	02-MAR-1997	State	-
5806596	3457096	SOX	State Compliance achieved	30-SEP-1996	State	-
5806596	3398196	SOX	State Compliance achieved	30-SEP-1996	State	-
5806596	3554396	SOX	State Compliance achieved	30-SEP-1996	State	-
4209495	2801695	SIF	State Public Notification received	13-MAR-1995	State	-

1 - 27 of 27

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC 01-MASTER METER	26364	Yes	Consecutive Connection	Surface water	Permanent	Active
LAKE WILLIAMSON CHRISTIAN CNTR	24525	No	Distribution System/Zone	-	-	Active
IDSE	35518	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	28184	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30606	No	Sampling Station	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11523	No	Storage	-	-	Inactive

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Treatment Processes

No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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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