Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	IL0894070
PWS Name	AURORA
PWS Type	Community water system
Owner Type	Local government
Primary Source	Surface water
Primacy Type	State
Is Wholesaler?	No
Population Served	183000
County Served	Kane

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
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	7038804	Returned to Compliance	01-FEB-2004	29-FEB-2004	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3876997	Known	01-JUL-1997	31-JUL-1997	No
TT	OCCT/SOWT Study/Recommendation	Lead and Copper Rule	Lead and Copper Rule	1946193	Returned to Compliance	04-FEB-1993	-	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	1465592	Returned to Compliance	01-JAN-1992	31-DEC-1995	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	483288	Returned to Compliance	01-JAN-1988	31-DEC-1991	Yes
MCL	Maximum Contaminant Level Violation, Average	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	249384	Returned to Compliance	25-JAN-1984	24-JAN-1988	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7038380	Known	30-JUN-1977	29-JUN-1981	No

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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
7130704	7038804	SFK	State Bilateral Compliance Agreement signed	01-JUN-2004	State	-
7129598	3876997	SIF	State Public Notification received	21-OCT-1997	State	-
1362594	1946193	SOX	State Compliance achieved	27-DEC-1993	State	-
1362392	1465592	SOX	State Compliance achieved	07-JUL-1992	State	-
1362392	483288	SOX	State Compliance achieved	07-JUL-1992	State	-
1362392	249384	SOX	State Compliance achieved	07-JUL-1992	State	-

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All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC01 NORTH AURORA INACTIVE	34832	Yes	Consecutive Connection	Ground water	Other	Inactive
WELL 28 (01758)	35400	Yes	Well	Ground water	Permanent	Active
WELL 129 (01859)	35225	Yes	Well	Ground water	Permanent	Active
WELL 29 (01849)	35224	Yes	Well	Ground water	Permanent	Active
WELL 27 (01547)	33763	Yes	Well	Ground water	Permanent	Active
WELL 127 (01541)	33695	Yes	Well	Ground water	Permanent	Active
WELL 26 (01526)	33484	Yes	Well	Ground water	Permanent	Active
WELL 24 (01379)	32574	Yes	Well	Ground water	Permanent	Active
WELL 25 (21138)	20604	Yes	Well	Ground water	Permanent	Active
WELL 23 (21137)	20603	Yes	Well	Ground water	Permanent	Active
WELL 21 (21135)	20601	Yes	Well	Ground water	Permanent	Active
WELL 20 (21134)	20600	Yes	Well	Ground water	Permanent	Active
WELL 19 (21133)	20599	Yes	Well	Ground water	Permanent	Active
WELL 17 (21131)	20597	Yes	Well	Ground water	Permanent	Active
WELL 15 (21129)	20595	Yes	Well	Ground water	Permanent	Active
WELL 115 (00611)	18422	Yes	Well	Ground water	Permanent	Active
WELL 119 (00610)	18421	Yes	Well	Ground water	Permanent	Active
WELL 101 (00344)	18161	Yes	Well	Ground water	Permanent	Active
WELL 12A (21128) ABANDONED	20594	Yes	Well	Ground water	Other	Inactive
WELL 8 (21127) ABANDONED	20593	Yes	Well	Ground water	Other	Inactive
WELL 103 (00612) SEALED ABANDONED	18423	Yes	Well	Ground water	Other	Inactive
WELL 22 (21136) EMERGENCY	20602	Yes	Well	Ground water	Emergency	Active
WELL 18 (21132) EMERGENCY	20598	Yes	Well	Ground water	Emergency	Active
WELL 16 (21130) EMERGENCY	20596	Yes	Well	Ground water	Emergency	Active
INTAKE 00679-FOX RIVER INTAKE	25567	Yes	Intake	Surface water	Permanent	Active
AURORA	24024	No	Distribution System/Zone	-	-	Active
IDSE	34590	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45409	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45421	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	27683	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30105	No	Sampling Station	-	-	Active
SSIN00679, IN00679	33625	No	Sampling Station	-	-	Active
LT2 SAMPLING STATION	34836	No	Sampling Station	-	-	Active
WATER QUALITY SAMPLING	45486	No	Sampling Station	-	-	Active
SP01-4.0 MG STANDPIPE	44944	No	Storage	-	-	Active
ELEV01 CHURCH ROAD	44945	No	Storage	-	-	Active
ELEV02 INDIAN TRAIL	44946	No	Storage	-	-	Active
ELEV PHILLIPS PARK	44947	No	Storage	-	-	Active
SP02-5.0 MG STANDPIPE	44948	No	Storage	-	-	Active
GR03-4.0 MG CLEARWELL AT SWTP	44949	No	Storage	-	-	Active
GR04-TWO 1.13 MG GROUND TANKS	44950	No	Storage	-	-	Active
GR05-FOUR 1.0 MG GROUND TANKS	44951	No	Storage	-	-	Active
DISTRIBUTION ELEVATED STORAGE	11307	No	Storage	-	-	Inactive
DISTRIBUTION GROUND STORAGE	12234	No	Storage	-	-	Inactive
DISTRIBUTION STANDPIPE STORAGE	14390	No	Storage	-	-	Inactive
TP 04-WELL 16 (EMERGENCY)	15805	No	Treatment Plant	-	-	Active
TP 06-WELL 18 (EMERGENCY)	15807	No	Treatment Plant	-	-	Active
TP 09-WELL 22 (EMERGENCY)	15810	No	Treatment Plant	-	-	Active
TP 14-SURFACE WATER TREATMENT PLANT	15815	No	Treatment Plant	-	-	Active
TP 01-STOLP ISLAND (EMERGENCY)	15802	No	Treatment Plant	-	-	Inactive

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Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-STOLP ISLAND (EMERGENCY)	15802	Gaseous Chlorination, Pre	Disinfection
TP 01-STOLP ISLAND (EMERGENCY)	15802	Gaseous Chlorination, Pre	Iron removal
TP 04-WELL 16 (EMERGENCY)	15805	Gaseous Chlorination, Pre	Disinfection
TP 04-WELL 16 (EMERGENCY)	15805	Gaseous Chlorination, Pre	Iron removal
TP 04-WELL 16 (EMERGENCY)	15805	Sequestration	Iron removal
TP 06-WELL 18 (EMERGENCY)	15807	Gaseous Chlorination, Pre	Disinfection
TP 06-WELL 18 (EMERGENCY)	15807	Gaseous Chlorination, Pre	Iron removal
TP 09-WELL 22 (EMERGENCY)	15810	Gaseous Chlorination, Pre	Disinfection
TP 09-WELL 22 (EMERGENCY)	15810	Gaseous Chlorination, Pre	Iron removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Fluoridation	Other
TP 14-SURFACE WATER TREATMENT PLANT	15815	Activated Carbon, Granular	Taste / odor control
TP 14-SURFACE WATER TREATMENT PLANT	15815	Aeration, Packed Tower	Taste / odor control
TP 14-SURFACE WATER TREATMENT PLANT	15815	Sedimentation	Softening (hardness removal)
TP 14-SURFACE WATER TREATMENT PLANT	15815	Rapid Mix	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Coagulation	Inorganics removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	pH Adjustment, Post	Corrosion control
TP 14-SURFACE WATER TREATMENT PLANT	15815	Filtration, Rapid Sand	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Filtration, Rapid Sand	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Hypochlorination, Post	Disinfection
TP 14-SURFACE WATER TREATMENT PLANT	15815	Chloramines	Disinfection by-products control
TP 14-SURFACE WATER TREATMENT PLANT	15815	Reducing Agent, Sodium Sulfite	De-chlorination
TP 14-SURFACE WATER TREATMENT PLANT	15815	Coagulation	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Activated Carbon, Powdered	Organics removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Gaseous Chlorination, Pre	Disinfection
TP 14-SURFACE WATER TREATMENT PLANT	15815	Filtration, Rapid Sand	Iron removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Aeration, Packed Tower	Iron removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Permanganate	Iron removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Coagulation	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Flocculation	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Sedimentation	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Filtration, Rapid Sand	Particulate removal
TP 14-SURFACE WATER TREATMENT PLANT	15815	Coagulation	Softening (hardness removal)
TP 14-SURFACE WATER TREATMENT PLANT	15815	Flocculation	Softening (hardness removal)
TP 14-SURFACE WATER TREATMENT PLANT	15815	Sedimentation	Softening (hardness removal)
TP 14-SURFACE WATER TREATMENT PLANT	15815	Filtration, Rapid Sand	Softening (hardness removal)
TP 14-SURFACE WATER TREATMENT PLANT	15815	Lime - Soda Ash Addition	Softening (hardness removal)

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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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