Safe Drinking Water Information System (SDWIS) Federal Reporting Services

Your Drinking Water Query results from SDWIS Fed Reporting Services

PWS ID	MI0001030
PWS Name	CADILLAC, CITY OF
PWS Type	Community water system
Owner Type	Local government
Primary Source	Ground water
Primacy Type	State
Is Wholesaler?	No
Population Served	10355
County Served	Wexford

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
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	5	Returned to Compliance	11-DEC-2024	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3	Returned to Compliance	01-JUN-2010	30-JUN-2010	Yes
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	1	Returned to Compliance	01-JUN-2010	30-JUN-2010	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	4	Returned to Compliance	01-JUN-2010	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	2	Returned to Compliance	01-APR-2010	30-JUN-2010	No

1 - 5 of 5

Enforcement Actions

Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
10	5	SIF	State Public Notification received	25-NOV-2025	State	-
6	1	SIF	State Public Notification received	13-JUL-2010	State	-
6	2	SIF	State Public Notification received	13-JUL-2010	State	-
6	3	SIF	State Public Notification received	13-JUL-2010	State	-
5	4	SIA	State Violation/Reminder Notice	21-JUN-2010	State	The City was informed of this violation in writing.

1 - 5 of 5

All Facilities

Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
WELL 1	972	Yes	Well	Ground water	Other	Inactive
WELL 6	977	Yes	Well	Ground water	Permanent	Inactive
WELL 4	975	Yes	Well	Ground water	Permanent	Inactive
WELL 3	974	Yes	Well	Ground water	Permanent	Inactive
WELL 2	973	Yes	Well	Ground water	Permanent	Inactive
WELL 13	12262	Yes	Well	Ground water	Permanent	Active
WELL 12	12261	Yes	Well	Ground water	Permanent	Active
WELL 11	12260	Yes	Well	Ground water	Permanent	Active
WELL NO. 10 (WEST)	10348	Yes	Well	Ground water	Permanent	Active
WELL NO. 9 (SOUTH)	10347	Yes	Well	Ground water	Permanent	Active
WELL NO. 8 (EAST)	10338	Yes	Well	Ground water	Permanent	Active
WELL 7	978	Yes	Well	Ground water	Other	Inactive
WELL 5	976	Yes	Well	Ground water	Other	Inactive
DISTRIBUTION SYSTEM	4344	No	Distribution System/Zone	-	-	Active
NORTH STREET TOWER	7434	No	Storage	-	-	Active
WELL 8 PHOSPHATE	10398	No	Treatment Plant	-	-	Active
WELL 9 PHOSPHATE	10399	No	Treatment Plant	-	-	Active
WELL 10 PHOSPHATE	10400	No	Treatment Plant	-	-	Active
CROSBY WELL FIELD SERVICE BUILDING TAP	10413	No	Treatment Plant	-	-	Active
44 ROAD WATER SERVICE BUILDING TAP	12269	No	Treatment Plant	-	-	Active
WELL 11 PHOSPHATE	12270	No	Treatment Plant	-	-	Active
WELL 12 PHOSPHATE	12271	No	Treatment Plant	-	-	Active
WELL 13 PHOSPHATE	12272	No	Treatment Plant	-	-	Active
WATER SERVICE BUILDING PLANT TAP	6353	No	Treatment Plant	-	-	Inactive
WELL 1 PHOSPHATE	6376	No	Treatment Plant	-	-	Inactive
WELL 2 PHOSPHATE	6377	No	Treatment Plant	-	-	Inactive
WELL 3 PHOSPHATE	6378	No	Treatment Plant	-	-	Inactive
WELL 4 PHOSPHATE	6379	No	Treatment Plant	-	-	Inactive
WELL 6 PHOSPHATE	6380	No	Treatment Plant	-	-	Inactive
WELL 7 PHOSPHATE	6381	No	Treatment Plant	-	-	Inactive

1 - 30 of 30

Treatment Processes

Facility Name	Facility ID	Treatment Process	Treatment Objective
WELL 8 PHOSPHATE	10398	Sequestration	Iron removal
WELL 8 PHOSPHATE	10398	Sequestration	Manganese removal
WELL 9 PHOSPHATE	10399	Sequestration	Iron removal
WELL 9 PHOSPHATE	10399	Sequestration	Manganese removal
WELL 10 PHOSPHATE	10400	Sequestration	Iron removal
WELL 10 PHOSPHATE	10400	Sequestration	Manganese removal
CROSBY WELL FIELD SERVICE BUILDING TAP	10413	Gaseous Chlorination, Post	Disinfection
44 ROAD WATER SERVICE BUILDING TAP	12269	Gaseous Chlorination, Post	Disinfection
WELL 11 PHOSPHATE	12270	Sequestration	Iron removal
WELL 12 PHOSPHATE	12271	Sequestration	Iron removal
WELL 13 PHOSPHATE	12272	Sequestration	Iron removal
WATER SERVICE BUILDING PLANT TAP	6353	Gaseous Chlorination, Post	Disinfection
WELL 1 PHOSPHATE	6376	Sequestration	Iron removal
WELL 1 PHOSPHATE	6376	Sequestration	Manganese removal
WELL 2 PHOSPHATE	6377	Sequestration	Iron removal
WELL 2 PHOSPHATE	6377	Sequestration	Manganese removal
WELL 3 PHOSPHATE	6378	Sequestration	Iron removal
WELL 3 PHOSPHATE	6378	Sequestration	Manganese removal
WELL 4 PHOSPHATE	6379	Sequestration	Iron removal
WELL 4 PHOSPHATE	6379	Sequestration	Manganese removal
WELL 6 PHOSPHATE	6380	Sequestration	Iron removal
WELL 6 PHOSPHATE	6380	Sequestration	Manganese removal

1 - 22 of 22

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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