Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL0311830
PWS Name	MAYWOOD
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water purchased
Primacy Type	State
Is Wholesaler?	No
Population Served	24090
County Served	Cook

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
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	5386335	Open	31-AUG-2025	-	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	5386328	Open	01-JUL-2025	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	5386327	Open	12-JAN-2025	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	5386324	Returned to Compliance	01-JUL-2024	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	5386326	Returned to Compliance	01-JUL-2024	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	5386323	Returned to Compliance	01-OCT-2023	31-DEC-2023	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	5386322	Returned to Compliance	01-OCT-2023	31-DEC-2023	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	5386320	Returned to Compliance	30-DEC-2021	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	5386319	Returned to Compliance	01-JUL-2014	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	5386317	Returned to Compliance	01-MAR-2014	31-MAY-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	5386318	Returned to Compliance	01-MAR-2014	31-MAY-2014	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	5386316	Returned to Compliance	01-JUL-2012	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	5386315	Returned to Compliance	02-JAN-2010	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	5386313	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	5386314	Returned to Compliance	01-JUL-2009	30-SEP-2009	No
Other	Public Notification Violation without NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	5386311	Returned to Compliance	12-JUL-2008	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	5386310	Returned to Compliance	12-JUL-2008	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5386309	Returned to Compliance	01-JUL-2007	31-DEC-2007	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	5386308	Returned to Compliance	01-JUL-2007	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5386307	Returned to Compliance	01-JAN-2007	30-JUN-2007	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	5386206	Returned to Compliance	01-JUL-2006	31-JUL-2006	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	5386306	Returned to Compliance	01-JUL-2006	31-JUL-2006	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	5385501	Known	01-JUL-2001	31-JUL-2001	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5358601	Returned to Compliance	01-OCT-2000	31-DEC-2000	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	5181100	Returned to Compliance	01-JUL-2000	30-SEP-2000	No
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	1913193	Returned to Compliance	21-DEC-1992	-	Yes

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Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
775951	5386326	SOX	State Compliance achieved	04-AUG-2025	State	-
775950	5386328	SIE	State Public Notification requested	29-JUL-2025	State	-
775948	5386327	SIA	State Violation/Reminder Notice	18-FEB-2025	State	-
775945	5386324	SOX	State Compliance achieved	06-NOV-2024	State	-
775943	5386322	SOX	State Compliance achieved	10-APR-2024	State	-
775943	5386323	SOX	State Compliance achieved	10-APR-2024	State	-
775939	5386320	SOX	State Compliance achieved	01-FEB-2022	State	-
775937	5386317	SIF	State Public Notification received	03-NOV-2014	State	-
775937	5386318	SIF	State Public Notification received	03-NOV-2014	State	-
775935	5386319	SOX	State Compliance achieved	24-OCT-2014	State	-
775931	5386316	SOX	State Compliance achieved	24-OCT-2012	State	-
775929	5386313	SIF	State Public Notification received	20-OCT-2010	State	-
775929	5386314	SIF	State Public Notification received	20-OCT-2010	State	-
775927	5386315	SOX	State Compliance achieved	02-FEB-2010	State	-
775921	5386310	SFK	State Bilateral Compliance Agreement signed	22-OCT-2008	State	VN # W-2008-00302 dated 9/22/08
775921	5386311	SFK	State Bilateral Compliance Agreement signed	22-OCT-2008	State	VN # W-2008-00302 dated 9/22/08
775920	5386309	SIF	State Public Notification received	15-OCT-2008	State	-
775920	5386307	SIF	State Public Notification received	15-OCT-2008	State	-
775911	5386308	SOX	State Compliance achieved	26-JUL-2007	State	-
775907	5386206	SOX	State Compliance achieved	01-FEB-2007	State	Supply 6 months without a coliform violation.
775907	5386306	SOX	State Compliance achieved	01-FEB-2007	State	Supply 6 months without a coliform violation.
639701	5385501	SIE	State Public Notification requested	15-SEP-2001	State	-
608201	5358601	SOX	State Compliance achieved	31-MAR-2001	State	-
774801	5181100	SOX	State Compliance achieved	31-DEC-2000	State	-
502294	1913193	SOX	State Compliance achieved	21-JAN-1994	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC 03-FOREST PK VAULT 1STAVE	25864	Yes	Consecutive Connection	Surface water	Emergency	Active
CC 02-BROADVIEW VAULT INACTIVE	25863	Yes	Consecutive Connection	Surface water	Other	Inactive
CC 01-H.S.P. STATION	25862	Yes	Consecutive Connection	Surface water	Permanent	Active
MAYWOOD	23374	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45246	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45247	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27033	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29455	No	Sampling Station	-	-	Active
WATER QUALITY SAMPLING	45497	No	Sampling Station	-	-	Active
ELEV1-500K GALLON ELEVATED TANK	10982	No	Storage	-	-	Active
GR01-3.0 MG GROUND TANK AT TP01	12040	No	Storage	-	-	Active
GR02-3.0 MG GROUND TANK AT TP01	44465	No	Storage	-	-	Active
TP 01- HSP CHLORINE TREATMENT	31898	No	Treatment Plant	-	-	Active

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01- HSP CHLORINE TREATMENT	31898	Gaseous Chlorination, 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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