City of Mount Clemens

Published drinking-water records and contacts for City of Mount Clemens. System MI0004510. Review sources and dates; not a real-time water assessment.

System ID: MI0004510
State or territory: MI
Published population served: 16314
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2024-02-12 – 2024-11-19
Lead and copper monitoring summaries: 19 — 1992-07-01 – 2025-12-31
Michigan EGLE PFAS compliance sampling: 168 — 2021-01-13 – 2025-11-03

Missing records here do not mean the provider did not test. Published records are not a real-time assessment of your tap water.

Published testing results

Selected recent records are shown below. Different sampling locations and dates are not interchangeable. These excerpts are not a complete testing history.

“<” means below the stated reporting limit, not zero. A reported measurement alone is not a safety verdict. Read an example

EPA UCMR 5 — most recent imported sample per substance
Substance	Published result	Reporting limit	Sample date	Sampling location
11Cl-PF3OUdS	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-11-19	Mt. Clemens WTP / TP100
ADONA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-11-19	Mt. Clemens WTP / TP100
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFBA	< 0.005 µg/L	0.005 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFBS	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFDA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFNA	< 0.004 µg/L	0.004 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFOA	< 0.004 µg/L	0.004 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFOS	< 0.004 µg/L	0.004 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFTA	< 0.008 µg/L	0.008 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-11-19	Mt. Clemens WTP / TP100
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-11-19	Mt. Clemens WTP / TP100
lithium	< 9 µg/L	9 µg/L	2024-11-19	Mt. Clemens WTP / TP100

Download all EPA UCMR 5 records (CSV)

Lead and copper: 90th-percentile summaries

These describe a monitoring period across sampled locations, not the result at your home. How to read the 90th percentile

Eight most recent imported monitoring summaries
Substance	Published 90th percentile	Monitoring period	Source quarter
Lead (PB90)	0.0016 mg/L	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0.0013 mg/L	2024-01-01 – 2024-12-31	2026Q3
Lead (PB90)	0.0016 mg/L	2023-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.0028 mg/L	2022-01-01 – 2022-12-31	2026Q3
Lead (PB90)	0.0033 mg/L	2021-01-01 – 2021-12-31	2026Q3
Lead (PB90)	0.0018 mg/L	2020-01-01 – 2020-12-31	2026Q3
Lead (PB90)	0.0047 mg/L	2019-01-01 – 2019-12-31	2026Q3
Lead (PB90)	0.0026 mg/L	2015-01-01 – 2017-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PFHxS	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
HFPO-DA	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFHxA	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFNA	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFOA	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFBS	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFOS	< 2 ppt	2025-11-03	TP100 / Michigan EGLE PFAS compliance sampling
PFHxS	< 2 ppt	2025-08-04	TP100 / Michigan EGLE PFAS compliance sampling
PFNA	< 2 ppt	2025-08-04	TP100 / Michigan EGLE PFAS compliance sampling
PFOS	2.5 ppt	2025-08-04	TP100 / Michigan EGLE PFAS compliance sampling
HFPO-DA	< 2 ppt	2025-08-04	TP100 / Michigan EGLE PFAS compliance sampling
PFBS	< 2 ppt	2025-08-04	TP100 / Michigan EGLE PFAS compliance sampling

State sampling points can include untreated water. Publisher qualifiers and units are retained; consult the full source notes before interpreting a record.

Download state records with source notes (CSV)

Published compliance history

29 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

Twenty most recent imported compliance records
Rule / record	Period	Recorded status	Health-based (EPA classification)	Source quarter
Stage 1 Disinfectants and Disinfection Byproducts Rule / Treatment Technique Precursor Removal	2024-10-01 – 2024-12-31	Resolved	Yes	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Maximum Contaminant Level Violation, Average	2022-07-01 – 2022-09-30	Resolved	Yes	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2021-12-01 – 2022-02-28	Resolved	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2021-12-01 – 2022-02-28	Resolved	No	2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R	2021-10-01 – —	Resolved	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2021-03-01 – 2021-05-31	Resolved	No	2026Q3
Stage 2 Disinfectants and Disinfection Byproducts Rule / Monitoring and Reporting (DBP)	2021-03-01 – 2021-05-31	Resolved	No	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2019-07-01 – 2019-12-31	Archived	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3
Volatile Organic Chemicals / Monitoring, Regular	2017-01-01 – 2017-12-31	Resolved	No	2026Q3

Source dates and refresh checks

A refresh check is not a sample date. Publication periods, sample dates and checks are shown separately.

EPA SDWIS lead/copper summaries and service areas — source period: — – —; last checked: 2026-10-17
EPA SDWIS contacts and compliance records — source period: — – —; last checked: 2026-10-17
EPA UCMR 5 sample results — source period: 2023-01-03 – 2026-06-17; last checked: 2026-10-17
Michigan EGLE PFAS compliance sampling — last successful check: 2026-10-14

Administrative contact (EPA filing)

Bertrand, Leonard: 586-469-6891

An administrative filing contact may not be a customer-service line. Confirm current contact details with the provider.

Official state resources · How to read these records