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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.

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Violations

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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
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1728493	Known	01-MAR-1993	31-MAR-1993	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	7115280	Known	30-JUN-1977	29-JUN-1981	No

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1891693	1728493	SIE	State Public Notification requested	29-APR-1993	State	-

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CC08-EMERGENCY INTERCONN W/ MT. PROSPECT	40794	Yes	Consecutive Connection	Surface water	Emergency	Active
WELL 3 (20608) ABANDONED	20316	Yes	Well	Ground water	Other	Inactive
WELL 2 (20607) ABANDONED	20315	Yes	Well	Ground water	Other	Inactive
CC 03-DESPLAINES INTERCONNECTION	25983	Yes	Consecutive Connection	Surface water	Permanent	Active
CTZNS WAYCINDEN DVN	23472	No	Distribution System/Zone	-	-	Active
PF03-PS FOR FEED FROM DES PLAINES	43857	No	Pump Facility	-	-	Active
PF04-MOUNT PROSPECT RD PUMP STATION	43858	No	Pump Facility	-	-	Active
GENERIC FINISHED SAMPLING STATION	27131	No	Sampling Station	-	-	Active
GENERIC RAW SAMPLING STATION	29553	No	Sampling Station	-	-	Active
GR01-0.270 MG GROUND TANK	12109	No	Storage	-	-	Active
ELEV01 LINNEMAN ROAD ELEVATED TANK	41456	No	Storage	-	-	Active
TAP01	12706	No	Storage	-	-	Inactive
DISTRIBUTION STANDPIPE STORAGE	14343	No	Storage	-	-	Inactive
TP 01-WELL 2-EMERGENCY USE	15014	No	Treatment Plant	-	-	Inactive
TP 02-WELL 3 INACTIVE	15015	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TP 01-WELL 2-EMERGENCY USE	15014	Hypochlorination, Post	Disinfection
TP 02-WELL 3 INACTIVE	15015	Hypochlorination, Post	Disinfection

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