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PWS ID	IL1434750
PWS Name	PEORIA HEIGHTS
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	5908
County Served	Peoria

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	7157032	Returned to Compliance	01-JUL-2024	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	7157006	Returned to Compliance	01-FEB-2006	28-FEB-2006	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4128598	Returned to Compliance	01-JUL-1998	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	4128798	Returned to Compliance	01-JAN-1998	30-JUN-1998	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	3831397	Returned to Compliance	01-JUL-1997	-	No
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	3831697	Returned to Compliance	01-JAN-1997	30-JUN-1997	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3668697	Known	01-OCT-1996	31-OCT-1996	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3291796	Known	01-DEC-1995	31-DEC-1995	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2656794	Known	01-SEP-1994	30-SEP-1994	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	2506394	Known	01-JUN-1994	30-JUN-1994	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1993493	Known	01-SEP-1993	30-SEP-1993	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1843893	Known	01-JUN-1993	30-JUN-1993	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	1843993	Known	01-JUN-1993	30-JUN-1993	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1843793	Known	01-MAY-1993	31-MAY-1993	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1844093	Known	01-MAY-1993	31-MAY-1993	No
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	1363291	Known	01-AUG-1991	31-AUG-1991	No
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	1363091	Known	01-AUG-1991	31-AUG-1991	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	1363191	Known	01-AUG-1991	31-AUG-1991	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7156880	Known	30-JUN-1977	29-JUN-1981	No

1 - 19 of 19

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
8002834	7157032	SOX	State Compliance achieved	04-DEC-2024	State	-
8002806	7157006	SOX	State Compliance achieved	01-SEP-2006	State	Supply without a coliform violation for 6 months.
8002399	3831697	SOX	State Compliance achieved	19-APR-1999	State	-
8002399	4128598	SOX	State Compliance achieved	19-APR-1999	State	-
8002399	4128798	SOX	State Compliance achieved	19-APR-1999	State	-
8002399	3831397	SOX	State Compliance achieved	19-APR-1999	State	-
6258697	3668697	SIE	State Public Notification requested	04-JAN-1997	State	-
5420196	3291796	SIE	State Public Notification requested	03-MAR-1996	State	-
3975595	2656794	SIE	State Public Notification requested	03-DEC-1994	State	-
2183794	2506394	SIE	State Public Notification requested	03-SEP-1994	State	-
2183594	1993493	SIE	State Public Notification requested	06-NOV-1993	State	-
2183293	1843993	SIE	State Public Notification requested	07-AUG-1993	State	-
2183293	1843893	SIE	State Public Notification requested	07-AUG-1993	State	-
2182793	1844093	SIE	State Public Notification requested	10-JUL-1993	State	-
2182793	1843793	SIE	State Public Notification requested	10-JUL-1993	State	-
1088792	1363291	SIE	State Public Notification requested	13-OCT-1991	State	-
1088792	1363191	SIE	State Public Notification requested	13-OCT-1991	State	-
1088792	1363091	SIE	State Public Notification requested	13-OCT-1991	State	-

1 - 18 of 18

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC 02 - EMER CONNECTION FROM IAWC-PEORIA	32903	Yes	Consecutive Connection	Ground water	Emergency	Active
WELL 10 (50197) ABANDONED	21885	Yes	Well	Ground water	Permanent	Inactive
WELL 12 (01950)	40131	Yes	Well	Ground water	Permanent	Active
WELL 11 (50198)	21886	Yes	Well	Ground water	Permanent	Active
WELL 9 (50196)	21884	Yes	Well	Ground water	Permanent	Active
WELL 8 (50195)	21883	Yes	Well	Ground water	Permanent	Active
WELL 7 (50194)	21882	Yes	Well	Ground water	Permanent	Active
PEORIA HEIGHTS	24759	No	Distribution System/Zone	-	-	Active
SCHOOL LEAD SAMPLING	45724	No	Distribution System/Zone	-	-	Active
CHILDCARE FACILITY LEAD SAMPLING	45725	No	Distribution System/Zone	-	-	Active
GENERIC FINISHED SAMPLING STATION	28418	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	30840	No	Sampling Station	-	-	Active
WATER QUALITY SAMPLING	45635	No	Sampling Station	-	-	Active
ELEV1 - 0.5 MG ELEVATED STORAGE	11647	No	Storage	-	-	Active
STANDPIPE1 - 1.0 MG STANDPIPE STORAGE	14425	No	Storage	-	-	Active
STANDPIPE2 - 0.5 MG STANDPIPE STORAGE	39643	No	Storage	-	-	Active
GRD1 - 0.3 MG GROUND STORAGE	12377	No	Storage	-	-	Inactive
TP 01-TREATMENT PLANT	16898	No	Treatment Plant	-	-	Active
TP03 - WELL 7	32541	No	Treatment Plant	-	-	Active
TP04 - WELL 11	32542	No	Treatment Plant	-	-	Active
TP05 - WELL 8	39641	No	Treatment Plant	-	-	Active
TP06 - WELL 9	39642	No	Treatment Plant	-	-	Active
TP07 - WELL 12	40646	No	Treatment Plant	-	-	Active

1 - 23 of 23

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-TREATMENT PLANT	16898	Fluoridation	Other
TP 01-TREATMENT PLANT	16898	Gaseous Chlorination, Pre	Disinfection
TP03 - WELL 7	32541	Inhibitor, Orthophosphate	Corrosion control
TP03 - WELL 7	32541	Sequestration	Corrosion control
TP04 - WELL 11	32542	Inhibitor, Orthophosphate	Corrosion control
TP04 - WELL 11	32542	Sequestration	Corrosion control
TP05 - WELL 8	39641	Sequestration	Iron removal
TP05 - WELL 8	39641	Inhibitor, Polyphosphate	Corrosion control
TP06 - WELL 9	39642	Sequestration	Iron removal
TP06 - WELL 9	39642	Inhibitor, Polyphosphate	Corrosion control
TP07 - WELL 12	40646	Sequestration	Iron removal

1 - 11 of 11

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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