Saint Paul Regional Water Services

Published drinking-water records and contacts for Saint Paul Regional Water Services. System MN1620026. Review sources and dates; not a real-time water assessment.

System ID: MN1620026
State or territory: MN
Published population served: 392529
System type (source code): CWS

Published records and dates

PFAS / lithium (EPA UCMR 5): 120 — 2023-09-13 – 2024-09-05
Lead and copper monitoring summaries: 26 — 1992-01-01 – 2026-06-30

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	2024-06-11	TREATMENT PLANT #1 / E01
4:2 FTS	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
6:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
8:2 FTS	< 0.005 µg/L	0.005 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
9Cl-PF3ONS	< 0.002 µg/L	0.002 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
ADONA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
HFPO-DA	< 0.005 µg/L	0.005 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
NEtFOSAA	< 0.005 µg/L	0.005 µg/L	2024-09-05	TREATMENT PLANT #1 / E01
NFDHA	< 0.02 µg/L	0.02 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
NMeFOSAA	< 0.006 µg/L	0.006 µg/L	2024-09-05	TREATMENT PLANT #1 / E01
PFBA	0.0202 µg/L	0.005 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFBS	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFDA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFDoA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFEESA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFHpA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFHpS	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFHxA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFHxS	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFMBA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFMPA	< 0.004 µg/L	0.004 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFNA	< 0.004 µg/L	0.004 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFOA	< 0.004 µg/L	0.004 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFOS	< 0.004 µg/L	0.004 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFPeA	< 0.003 µg/L	0.003 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFPeS	< 0.004 µg/L	0.004 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
PFTA	< 0.008 µg/L	0.008 µg/L	2024-09-05	TREATMENT PLANT #1 / E01
PFTrDA	< 0.007 µg/L	0.007 µg/L	2024-09-05	TREATMENT PLANT #1 / E01
PFUnA	< 0.002 µg/L	0.002 µg/L	2024-06-11	TREATMENT PLANT #1 / E01
lithium	< 9 µg/L	9 µg/L	2024-06-11	TREATMENT PLANT #1 / E01

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)	0.01 mg/L	2026-01-01 – 2026-06-30	2026Q3
Lead (PB90)	0.008 mg/L	2025-01-01 – 2025-12-31	2026Q3
Lead (PB90)	0.012 mg/L	2024-07-01 – 2024-12-31	2026Q3
Lead (PB90)	0.009 mg/L	2024-01-01 – 2024-06-30	2026Q3
Lead (PB90)	0.017 mg/L	2023-01-01 – 2023-12-31	2026Q3
Lead (PB90)	0.012 mg/L	2018-01-01 – 2020-12-31	2026Q3
Lead (PB90)	0.011 mg/L	2015-01-01 – 2017-12-31	2026Q3
Lead (PB90)	0.01 mg/L	2012-01-01 – 2014-12-31	2026Q3

Published compliance history

11 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
Interim and Long Term 1 Enhanced Surface Water Treatment Rule / Monitoring, Turbidity (Enhanced SWTR)	2023-04-01 – 2023-04-30	Archived	No	2026Q3
Lead and Copper Rule / Record Keeping	2023-01-01 – —	Resolved	No	2026Q3
Surface Water Treatment Rule / Monitoring of Treatment (SWTR-Filter)	2022-04-01 – 2022-04-30	Resolved	No	2026Q3
Lead and Copper Rule / WQP Entry Point/Tap Treatment Technique Non-Compliance	2022-04-01 – 2022-06-30	Resolved	Yes	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2022-01-01 – 2022-06-30	Resolved	No	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2021-07-01 – 2021-12-31	Resolved	No	2026Q3
Lead and Copper Rule / Lead Consumer Notice	2021-01-01 – —	Resolved	No	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2021-01-01 – 2021-06-30	Resolved	No	2026Q3
Lead and Copper Rule / Follow-up Or Routine LCR Tap M/R	2020-10-01 – —	Resolved	No	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2020-07-01 – 2020-12-31	Resolved	No	2026Q3
Lead and Copper Rule / Water Quality Parameter M/R	2020-01-01 – 2020-06-30	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

Administrative contact (EPA filing)

St. Paul Regional Water Services: 6512661629

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