Pfizer

Published drinking-water records and contacts for Pfizer. System MI2032539. Review sources and dates; not a real-time water assessment.

System ID: MI2032539
State or territory: MI
Published population served: 4000
System type (source code): NTNCWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2024-04-15 – 2024-10-14
Lead and copper monitoring summaries: 7 — 2005-01-01 – 2023-12-31
Michigan EGLE PFAS compliance sampling: 126 — 2021-03-07 – 2025-06-25

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	2024-10-14	West Well Field WTP (B-319) / B310
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
ADONA	< 0.003 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFBA	< 0.005 µg/L	0.005 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFBS	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFDA	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFHxA	0.0032 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFNA	< 0.004 µg/L	0.004 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFOA	< 0.004 µg/L	0.004 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFOS	< 0.004 µg/L	0.004 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFPeA	0.0046 µg/L	0.003 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFTA	< 0.008 µg/L	0.008 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-10-14	West Well Field WTP (B-319) / B310
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-10-14	South Well Field WTP (B-102) / B72
lithium	< 9 µg/L	9 µg/L	2024-10-14	South Well Field WTP (B-102) / B72

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)	0.0035 mg/L	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.0035 mg/L	2021-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.006 mg/L	2017-01-01 – 2017-06-30	2026Q3
Lead (PB90)	0.013 mg/L	2014-01-01 – 2016-12-31	2026Q3
Lead (PB90)	0.012 mg/L	2011-01-01 – 2013-12-31	2026Q3
Lead (PB90)	0.006 mg/L	2008-01-01 – 2010-12-31	2026Q3
Lead (PB90)	0.012 mg/L	2005-01-01 – 2007-12-31	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PFBS	< 2 ppt	2025-06-25	EP72 / Michigan EGLE PFAS compliance sampling
PFOS	< 2 ppt	2025-06-25	EP307 / Michigan EGLE PFAS compliance sampling
HFPO-DA	< 2 ppt	2025-06-25	EP310 / Michigan EGLE PFAS compliance sampling
PFOA	< 2 ppt	2025-06-25	EP307 / Michigan EGLE PFAS compliance sampling
PFHxS	3.7 ppt	2025-06-25	EP310 / Michigan EGLE PFAS compliance sampling
PFHxA	2.4 ppt	2025-06-25	EP307 / Michigan EGLE PFAS compliance sampling
PFOS	< 2 ppt	2025-06-25	EP310 / Michigan EGLE PFAS compliance sampling
PFHxA	2.2 ppt	2025-06-25	EP310 / Michigan EGLE PFAS compliance sampling
PFHxS	2.5 ppt	2025-06-25	EP307 / Michigan EGLE PFAS compliance sampling
HFPO-DA	< 2 ppt	2025-06-25	EP307 / Michigan EGLE PFAS compliance sampling
HFPO-DA	< 2 ppt	2025-06-25	EP72 / Michigan EGLE PFAS compliance sampling
PFHxS	3.5 ppt	2025-06-25	EP72 / 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

1 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
Arsenic Rule / Maximum Contaminant Level Violation, Average	2021-10-01 – 2021-12-31	Resolved	Yes	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)

Hunsberger, Bill: 269-833-6152

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