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St Peters PWS

Published drinking-water records and contacts for St Peters PWS. System MO6010719. Review sources and dates; not a real-time water assessment.

System ID
MO6010719
State or territory
MO
Published population served
52575
System type (source code)
CWS

Published records and dates

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
SubstancePublished resultReporting limitSample dateSampling location
11Cl-PF3OUdS< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
4:2 FTS< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
6:2 FTS< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
8:2 FTS< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-12-17ST PETERS PWS / CC80410
ADONA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
HFPO-DA< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
NFDHA< 0.02 µg/L0.02 µg/L2024-12-17ST PETERS PWS / CC80410
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-12-17ST PETERS PWS / CC80410
PFBA< 0.005 µg/L0.005 µg/L2024-12-17ST PETERS PWS / CC80410
PFBS< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFDA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFDoA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFEESA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFHpA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFHpS< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFHxA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFHxS< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFMBA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFMPA< 0.004 µg/L0.004 µg/L2024-12-17ST PETERS PWS / CC80410
PFNA< 0.004 µg/L0.004 µg/L2024-12-17ST PETERS PWS / CC80410
PFOA< 0.004 µg/L0.004 µg/L2024-12-17ST PETERS PWS / CC80410
PFOS< 0.004 µg/L0.004 µg/L2024-12-17ST PETERS PWS / CC80410
PFPeA< 0.003 µg/L0.003 µg/L2024-12-17ST PETERS PWS / CC80410
PFPeS< 0.004 µg/L0.004 µg/L2024-12-17ST PETERS PWS / CC80410
PFTA< 0.008 µg/L0.008 µg/L2024-12-17ST PETERS PWS / CC80410
PFTrDA< 0.007 µg/L0.007 µg/L2024-12-17ST PETERS PWS / CC80410
PFUnA< 0.002 µg/L0.002 µg/L2024-12-17ST PETERS PWS / CC80410
lithium36.4 µg/L9 µg/L2024-12-17ST PETERS PWS / CC80410

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
SubstancePublished 90th percentileMonitoring periodSource quarter
Lead (PB90) 0 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.00136 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.00136 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00136 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.00272 mg/L2014-01-01 – 2016-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
PERFLUOROUNDECANOIC ACID (PFUNA)< 2 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORONONANOIC ACID (PFNA)< 3.7 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORODODECANOIC ACID (PFDOA)< 3 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANE SULFONIC ACID (PFHxS)< 2.8 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
NMEFOSAA< 6 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANESULFONIC ACID (PFHPS)< 3 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROBUTANE SULFONIC ACID (PFBS)< 3 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANOIC ACID (PFHPA)< 3 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA< 5 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROPENTANESULFONIC ACID (PFPES)< 4 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes
ADONA< 3 NG/L2024-12-17CC 1 ST LOUIS CITY MO6010715 / Missouri DNR PFAS samples — non-UCMR classes

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 / recordPeriodRecorded statusHealth-based (EPA classification)Source quarter
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report2019-07-01 – —ResolvedNo2026Q3

Source dates and refresh checks

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

Administrative contact (EPA filing)

Malach, Bill: 636-477-6600

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