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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
Other	Sample Siting Plan Errors (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	3004619	Returned to Compliance	07-FEB-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3004618	Returned to Compliance	01-APR-2019	30-JUN-2019	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3004617	Returned to Compliance	01-APR-2019	30-JUN-2019	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3004609	Returned to Compliance	01-SEP-2013	30-SEP-2013	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	3004610	Returned to Compliance	01-SEP-2013	30-SEP-2013	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	3004611	Returned to Compliance	01-SEP-2013	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3004607	Returned to Compliance	01-OCT-2012	31-DEC-2012	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3004608	Returned to Compliance	01-OCT-2012	31-DEC-2012	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3000504	Returned to Compliance	01-JUL-2003	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3000403	Returned to Compliance	01-MAY-2003	31-MAY-2003	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	3000397	Returned to Compliance	01-APR-1997	30-APR-1997	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1-Dichloroethylene	9030691	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,2-Dichloroethane	9030591	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	1,1,1-Trichloroethane	9030791	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Carbon tetrachloride	9030391	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Trichloroethylene	9030891	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	Benzene	9030291	Known	01-JAN-1991	31-MAR-1991	No
MR	Monitoring, Regular	Volatile Organic Chemicals	p-Dichlorobenzene	9030491	Known	01-JAN-1991	31-MAR-1991	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
3021036	3004619	SOX	State Compliance achieved	03-APR-2025	State	-
3021030	3004618	SOX	State Compliance achieved	25-FEB-2020	State	-
3021030	3004617	SOX	State Compliance achieved	25-FEB-2020	State	-
3021022	3004609	SIF	State Public Notification received	08-NOV-2013	State	-
3021018	3004611	SOX	State Compliance achieved	09-OCT-2013	State	-
3021017	3004610	SIE	State Public Notification requested	09-OCT-2013	State	-
3021021	3004608	SOX	State Compliance achieved	18-JUN-2013	State	System RTC'd with sampling. AS
3021021	3004607	SOX	State Compliance achieved	18-JUN-2013	State	System RTC'd with sampling. AS
3021008	3000397	SOX	State Compliance achieved	04-APR-2008	State	>6 mo wo violations. SOXd. aj
3021008	3000403	SOX	State Compliance achieved	04-APR-2008	State	>6 mo wo violations. SOXd. aj
3020104	3000504	SOX	State Compliance achieved	14-NOV-2003	State	-
9008791	9030591	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030291	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030891	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030791	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030691	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030391	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP
9008791	9030491	SFJ	State Formal Notice of Violation issued	21-JUN-1991	State	HILLCREST VILLAGE MHP

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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
PURCHSD AURORA 103005 SW	10164	Yes	Consecutive Connection	Surface water	Interim	Active
WEST WELL NO 3	1441	Yes	Well	Ground water	Permanent	Active
CENTER WELL NO 2	1440	Yes	Well	Ground water	Permanent	Active
EAST WELL NO 1	1439	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	6373	No	Distribution System/Zone	-	-	Active
STORAGE TANK EAST	1080	No	Storage	-	-	Active
STORAGE TANK CENTER	1081	No	Storage	-	-	Active
STORAGE TANK WEST	1082	No	Storage	-	-	Active
CHLORINATOR FOR EAST WELL 1	3264	No	Treatment Plant	-	-	Active
CHLORINATOR FOR CENTER WELL 2	3265	No	Treatment Plant	-	-	Active
CHLORINATOR FOR WEST WELL 3	3266	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
CHLORINATOR FOR EAST WELL 1	3264	Innovative	Disinfection
CHLORINATOR FOR EAST WELL 1	3264	Hypochlorination, Post	Disinfection
CHLORINATOR FOR CENTER WELL 2	3265	Hypochlorination, Post	Disinfection
CHLORINATOR FOR CENTER WELL 2	3265	Innovative	Disinfection
CHLORINATOR FOR WEST WELL 3	3266	Innovative	Disinfection
CHLORINATOR FOR WEST WELL 3	3266	Hypochlorination, Post	Disinfection

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