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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
RPT	Notification, Known or Potential LSL	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	4000911	Open	02-JUL-2025	-	No
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	#350600	Returned to Compliance	02-JAN-2009	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4000904	Returned to Compliance	01-JUL-2008	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4000907	Returned to Compliance	01-JAN-2008	-	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	#302950	Returned to Compliance	01-OCT-2007	30-SEP-2008	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	#302456	Returned to Compliance	01-OCT-2007	30-SEP-2008	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4000903	Returned to Compliance	01-JUL-2007	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	4000902	Returned to Compliance	01-JUL-2001	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1000900	Returned to Compliance	19-OCT-1999	-	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
4009117	4000911	SIE	State Public Notification requested	12-DEC-2025	State	-
4009111	4000907	SIF	State Public Notification received	14-JUL-2011	State	-
#1000113	#350600	EOX	Federal Compliance achieved	08-JUN-2010	ODSWeb	EOX of 01/22/2009 AO #900024 to City of Encorse for Stage 2 TTHM and HAA5 M/R for not following SMP.
#1000113	#302456	EOX	Federal Compliance achieved	08-JUN-2010	ODSWeb	EOX of 01/22/2009 AO #900024 to City of Encorse for Stage 2 TTHM and HAA5 M/R for not following SMP.
#1000113	#302950	EOX	Federal Compliance achieved	08-JUN-2010	ODSWeb	EOX of 01/22/2009 AO #900024 to City of Encorse for Stage 2 TTHM and HAA5 M/R for not following SMP.
4009107	4000904	SOX	State Compliance achieved	14-AUG-2008	State	"Hand delivered" by Colin, OIC
4009103	4000903	SOX	State Compliance achieved	26-OCT-2007	State	-
4009101	4000902	SOX	State Compliance achieved	02-OCT-2001	State	-
1009100	1000900	SOX	State Compliance achieved	07-JUL-2000	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
CONNECTION TO DETROIT	5026	Yes	Consecutive Connection	Surface water	Other	Inactive
CONNECTION TO GLWA	10915	Yes	Consecutive Connection	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	4941	No	Distribution System/Zone	-	-	Active

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Treatment Processes

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No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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