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Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS IDIL0311800
PWS NameMATTESON
PWS TypeCommunity water system
Owner TypeLocal government
Primary SourceSurface water purchased
Primacy TypeState
Is Wholesaler?No
Population Served18293
County ServedCook

Note

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.

PWS Violation

Violations

Violation Category CodeViolation Type DescriptionRule NameContaminant NameViolation IDCompliance Status DescriptionCompliance Period Begin DateCompliance Period End DateIs Health Based Ind
RPTNotification, Known or Potential LSLLead and Copper Rule RevisionsLEAD AND COPPER RULE REVISIONS7013820Open02-JUL-2025 - No
MRFollow-up Or Routine LCR Tap M/RLead and Copper RuleLead and Copper Rule7013821Open01-JUL-2025 - No
OtherConsumer Confidence Report Inadequate ReportingConsumer Confidence RuleConsumer Confidence Rule7013822Open01-JUL-2025 - No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTTHM7013817Returned to Compliance01-OCT-202431-DEC-2024No
MRMonitoring and Reporting (DBP)Stage 2 Disinfectants and Disinfection Byproducts RuleTotal Haloacetic Acids (HAA5)7013818Returned to Compliance01-OCT-202431-DEC-2024No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice7013816Returned to Compliance13-AUG-2024 - No
OtherPublic Notification Violation for NPDWR ViolationPublic Notice Rule and Revised PN RulePublic Notice7013815Returned to Compliance13-AUG-2024 - No
MONMonitoring, Routine (RTCR)Revised Total Coliform RuleRevised Total Coliform Rule7013813Returned to Compliance01-MAY-202331-MAY-2023No
MRMonitoring and Reporting (DBP)Stage 1 Disinfectants and Disinfection Byproducts RuleChlorine7013814Returned to Compliance01-APR-202330-JUN-2023No
MRLead Consumer NoticeLead and Copper RuleLead and Copper Rule7013810Returned to Compliance30-DEC-2020 - No
OtherConsumer Confidence Report Complete Failure to ReportConsumer Confidence RuleConsumer Confidence Rule7013808Returned to Compliance01-JUL-2019 - No
MCLMaximum Contaminant Level Violation, Monthly (TCR)Total Coliform RuleColiform (TCR)7013806Returned to Compliance01-SEP-200530-SEP-2005Yes
MRMonitoring, Routine Minor (TCR)Total Coliform RuleColiform (TCR)3220996Known01-NOV-199530-NOV-1995No
MRMonitoring, RegularRadionuclides and Revised Rad RuleGross Alpha, Excl. Radon and U7013480Known30-JUN-197729-JUN-1981No
  • 1 - 14 of 14

Enforcement Actions

Enforcement Actions

Latest Enforcement IDAssociated To Violation IDEnforcement Action Type CodeEnforcement Action DescriptionEnforcement DateOriginator DescriptionEnforcement Comment
52081377013822SIAState Violation/Reminder Notice22-SEP-2025State -
52081367013821SIEState Public Notification requested29-JUL-2025State -
52081347013820SIEState Public Notification requested03-JUL-2025State -
52081307013817SOXState Compliance achieved10-APR-2025State -
52081307013818SOXState Compliance achieved10-APR-2025State -
52081227013815SIAState Violation/Reminder Notice19-SEP-2024State -
52081237013816SIAState Violation/Reminder Notice19-SEP-2024State -
52081257013814SIFState Public Notification received08-JUL-2024State -
52081277013813SIFState Public Notification received08-JUL-2024State -
52081087013810SOXState Compliance achieved12-MAR-2021State -
52081047013808SOXState Compliance achieved24-JUL-2019State -
52080067013806SOXState Compliance achieved01-APR-2006StateSupply went 6 months without a violation.
52075963220996SIFState Public Notification received08-FEB-1996State -
  • 1 - 13 of 13

PWS Facilities

All Facilities

Facility NameFacility IDIs SourceFacility Type DescriptionWater Type DescriptionAvailability DescriptionFacility Activity Status
CC 01-MAIN STA AT CICERO AND VOLLMER25861YesConsecutive ConnectionSurface waterPermanentActive
WELL 618692YesWell Ground waterPermanentInactive
MATTESON23373NoDistribution System/Zone - - Active
IDSE34652NoDistribution System/Zone - - Active
SCHOOL LEAD SAMPLING45303NoDistribution System/Zone - - Active
CHILDCARE FACILITY LEAD SAMPLING45304NoDistribution System/Zone - - Active
GENERIC FINISHED SAMPLING STATION27032NoSampling Station - - Active
GENERIC RAW SAMPLING STATION29454NoSampling Station - - Active
ELEV01-NORTH ST. 500 K ELEVATED TANK44793NoStorage - - Active
ELEV02-CENTRAL 500 K ELEVATED TANK44794NoStorage - - Active
3.0 MG GROUND STORAGE TANK44795NoStorage - - Active
1.5 MG GROUND STORAGE TANK44796NoStorage - - Active
1.5 MG GROUND STORAGE TANK44797NoStorage - - Active
DISTRIBUTION ELEVATED STORAGE10981NoStorage - - Inactive
DISTRIBUTION GROUND STORAGE12039NoStorage - - Inactive
TAP 01 GROUND STORAGE12619NoStorage - - Inactive
TP 01-MAIN STA AT CICERO AND VOLLMER31897NoTreatment Plant - - Active
TP 02-WELL 614777NoTreatment Plant - - Inactive
  • 1 - 18 of 18

PWS Treatment Processes

Treatment Processes

Facility NameFacility IDTreatment ProcessTreatment Objective
TP 01-MAIN STA AT CICERO AND VOLLMER31897Gaseous Chlorination, PreDisinfection
  • 1 - 1 of 1
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.