Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL0971950
PWS Name	WINTHROP HARBOR
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	6565
County Served	Lake

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
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7138834	Open	01-JUL-2025	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7138832	Returned to Compliance	12-JAN-2025	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7138830	Returned to Compliance	11-OCT-2024	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7138831	Returned to Compliance	11-OCT-2024	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7138829	Open	01-JUL-2024	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138828	Returned to Compliance	01-JUL-2024	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	7138824	Returned to Compliance	01-OCT-2023	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7138826	Returned to Compliance	01-OCT-2023	31-DEC-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7138827	Returned to Compliance	01-OCT-2023	31-DEC-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	7138823	Returned to Compliance	01-JUL-2023	30-SEP-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	7138822	Returned to Compliance	01-JUL-2023	30-SEP-2023	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138821	Returned to Compliance	01-JUL-2023	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7138825	Open	01-JUL-2023	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7138820	Open	30-DEC-2022	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7138818	Open	30-DEC-2021	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	7138817	Open	21-OCT-2021	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138816	Returned to Compliance	01-JUL-2021	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7138815	Returned to Compliance	30-DEC-2020	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	7138814	Returned to Compliance	01-OCT-2020	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138813	Returned to Compliance	01-JUL-2019	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7138812	Returned to Compliance	01-JUL-2018	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7138811	Returned to Compliance	30-DEC-2017	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138810	Returned to Compliance	01-JUL-2017	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	7138809	Returned to Compliance	01-JUL-2016	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	7138808	Returned to Compliance	02-JAN-2012	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	7138807	Returned to Compliance	01-SEP-2007	30-SEP-2007	Yes
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	7138605	Returned to Compliance	01-JUL-2005	-	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	5642902	Known	01-JUN-2002	30-JUN-2002	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4557999	Known	01-AUG-1999	31-AUG-1999	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3536696	Known	01-JUL-1996	31-JUL-1996	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3264996	Known	01-DEC-1995	31-DEC-1995	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3264896	Known	01-DEC-1995	31-DEC-1995	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3134895	Known	01-AUG-1995	31-AUG-1995	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	3134695	Known	01-JUL-1995	31-JUL-1995	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3134795	Known	01-JUL-1995	31-JUL-1995	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3134995	Known	01-JUL-1995	31-JUL-1995	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7138280	Known	30-JUN-1977	29-JUN-1981	No

1 - 37 of 37

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
8570458	7138834	SIA	State Violation/Reminder Notice	21-AUG-2025	State	-
8570455	7138832	SIA	State Violation/Reminder Notice	18-FEB-2025	State	-
8570453	7138826	SIF	State Public Notification received	05-FEB-2025	State	-
8570453	7138827	SIF	State Public Notification received	05-FEB-2025	State	-
8570452	7138822	SIF	State Public Notification received	09-DEC-2024	State	-
8570450	7138824	SIF	State Public Notification received	09-DEC-2024	State	-
8570452	7138823	SIF	State Public Notification received	09-DEC-2024	State	-
8570447	7138830	SIA	State Violation/Reminder Notice	19-NOV-2024	State	-
8570448	7138831	SIA	State Violation/Reminder Notice	19-NOV-2024	State	-
8570446	7138828	SIA	State Violation/Reminder Notice	06-AUG-2024	State	-
8570446	7138829	SIA	State Violation/Reminder Notice	06-AUG-2024	State	-
8570441	7138825	SIA	State Violation/Reminder Notice	19-DEC-2023	State	-
8570436	7138821	SOX	State Compliance achieved	30-AUG-2023	State	CCR Received by Agency on 08/30/2023
8570433	7138820	SIA	State Violation/Reminder Notice	24-JAN-2023	State	-
8570431	7138818	SIA	State Violation/Reminder Notice	19-JAN-2022	State	-
8570429	7138817	SIA	State Violation/Reminder Notice	03-NOV-2021	State	-
8570430	7138814	SOX	State Compliance achieved	29-SEP-2021	State	-
8570428	7138816	SOX	State Compliance achieved	16-AUG-2021	State	-
8570426	7138815	SOX	State Compliance achieved	21-APR-2021	State	-
8570422	7138813	SOX	State Compliance achieved	31-JUL-2019	State	-
8570420	7138812	SOX	State Compliance achieved	04-OCT-2018	State	-
8570418	7138811	SOX	State Compliance achieved	25-JAN-2018	State	-
8570416	7138810	SOX	State Compliance achieved	21-JUL-2017	State	-
8570414	7138809	SOX	State Compliance achieved	05-AUG-2016	State	-
8570412	7138808	SOX	State Compliance achieved	27-JAN-2012	State	Received Form
8570410	7138807	SOX	State Compliance achieved	01-APR-2008	State	Supply 6 months without a coliform violation.
8570306	7138605	SOX	State Compliance achieved	17-OCT-2005	State	-
703	5642902	SIF	State Public Notification received	30-JUN-2003	State	-
8569900	4557999	SIE	State Public Notification requested	15-OCT-1999	State	-
5769396	3536696	SIE	State Public Notification requested	29-SEP-1996	State	-
5324796	3264996	SIE	State Public Notification requested	03-MAR-1996	State	-
5324796	3264896	SIE	State Public Notification requested	03-MAR-1996	State	-
4997496	3134895	SIE	State Public Notification requested	04-NOV-1995	State	-
4996996	3134695	SIF	State Public Notification received	04-OCT-1995	State	-
4996996	3134795	SIF	State Public Notification received	04-OCT-1995	State	-
4996996	3134995	SIF	State Public Notification received	04-OCT-1995	State	-

1 - 36 of 36

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC 02-METER VAULT 1	26290	Yes	Consecutive Connection	Surface water	Permanent	Active
WELL 6 (20293) ABANDONED	20007	Yes	Well	Ground water	Other	Inactive
WELL 5 (20292) ABANDONED	20006	Yes	Well	Ground water	Other	Inactive
WELL 4 (20291) ABANDONED	20005	Yes	Well	Ground water	Other	Inactive
CC 03-METER VAULT 2	26291	Yes	Consecutive Connection	Surface water	Permanent	Active
CC 04-METER VAULT 3	26292	Yes	Consecutive Connection	Surface water	Permanent	Active
WINTHROP HARBOR	24189	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLIN	45369	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27848	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30270	No	Sampling Station	-	-	Active
TP 01-WELL 6 (ABANDONED)	16131	No	Treatment Plant	-	-	Inactive

1 - 11 of 11

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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