Plymouth Utilities

Published drinking-water records and contacts for Plymouth Utilities. System WI4600446. Review sources and dates; not a real-time water assessment.

System ID: WI4600446
State or territory: WI
Published population served: 8964
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 420 — 2024-03-26 – 2024-09-24
Lead and copper monitoring summaries: 20 — 1992-07-01 – 2023-09-30
Wisconsin DNR public-system PFAS records: 126 — 2023-05-17 – 2023-05-17

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	2024-09-24	Well 17 (WQ175) / 17
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 15 (BH040) / 15
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-09-24	Well 17 (WQ175) / 17
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-09-24	Well 11 (BH033) / 11
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-09-24	Well 8 (BH030) / 8
ADONA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 10 (BH032) / 10
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-09-24	Well 15 (BH040) / 15
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-09-24	Well 12 (BH034) / 12
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-09-24	Well 17 (WQ175) / 17
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-09-24	Well 11 (BH033) / 11
PFBA	< 0.005 µg/L	0.005 µg/L	2024-09-24	Well 13 (BH035) / 13
PFBS	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 15 (BH040) / 15
PFDA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 12 (BH034) / 12
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 17 (WQ175) / 17
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 13 (BH035) / 13
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 15 (BH040) / 15
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 13 (BH035) / 13
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 15 (BH040) / 15
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 8 (BH030) / 8
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 17 (WQ175) / 17
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-09-24	Well 12 (BH034) / 12
PFNA	< 0.004 µg/L	0.004 µg/L	2024-09-24	Well 15 (BH040) / 15
PFOA	< 0.004 µg/L	0.004 µg/L	2024-09-24	Well 15 (BH040) / 15
PFOS	< 0.004 µg/L	0.004 µg/L	2024-09-24	Well 17 (WQ175) / 17
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-09-24	Well 11 (BH033) / 11
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-09-24	Well 11 (BH033) / 11
PFTA	< 0.008 µg/L	0.008 µg/L	2024-09-24	Well 10 (BH032) / 10
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-09-24	Well 11 (BH033) / 11
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-09-24	Well 8 (BH030) / 8
lithium	< 9 µg/L	9 µg/L	2024-09-24	Well 11 (BH033) / 11

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)	0.00617 mg/L	2023-06-01 – 2023-09-30	2026Q3
Lead (PB90)	0.00778 mg/L	2020-07-01 – 2020-10-31	2026Q3
Lead (PB90)	0.00741 mg/L	2017-06-01 – 2017-09-30	2026Q3
Lead (PB90)	0.00812 mg/L	2015-06-01 – 2015-09-30	2026Q3
Lead (PB90)	0.0143 mg/L	2014-06-01 – 2014-09-30	2026Q3
Lead (PB90)	0.00788 mg/L	2013-01-01 – 2013-06-30	2026Q3
Lead (PB90)	0.0102 mg/L	2012-07-01 – 2012-12-31	2026Q3
Lead (PB90)	0.0175 mg/L	2012-01-01 – 2012-06-30	2026Q3

Twelve most recent imported state laboratory records
Substance	Published result	Sample date	Location / source
PFBS	0.363 Between LOD and LOQ ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFHXA	< 0.388 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
HFPO-DA	< 0.401 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFHPA	< 0.351 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFHXS	< 0.251 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
ADONA	< 0.373 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFNA	< 0.367 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFOS	Below a limit; numeric threshold unavailable ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
9CL-PF3ONS	< 0.276 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
NMEFOSAA	< 0.280 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
NETFOSAA	< 0.270 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records
PFUNA	< 0.379 ng/L	2023-05-17	Entry Point / Wisconsin DNR public-system PFAS records

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
Nitrate Rule / Monitoring, Regular	2024-04-01 – 2024-06-30	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
Wisconsin DNR public-system PFAS records — last successful check: 2026-10-17

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