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Farmington PWS

Published drinking-water records and contacts for Farmington PWS. System MO4010270. Review sources and dates; not a real-time water assessment.

System ID
MO4010270
State or territory
MO
Published population served
18217
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/L2025-03-03FARMINGTON PWS / TP16644
4:2 FTS< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
6:2 FTS< 0.005 µg/L0.005 µg/L2025-03-03FARMINGTON PWS / TP16644
8:2 FTS< 0.005 µg/L0.005 µg/L2025-03-03FARMINGTON PWS / TP16644
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2025-03-03FARMINGTON PWS / TP16644
ADONA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
HFPO-DA< 0.005 µg/L0.005 µg/L2025-03-03FARMINGTON PWS / TP16644
NEtFOSAA< 0.005 µg/L0.005 µg/L2025-01-16FARMINGTON PWS / TP11879
NFDHA< 0.02 µg/L0.02 µg/L2025-03-03FARMINGTON PWS / TP16644
NMeFOSAA< 0.006 µg/L0.006 µg/L2025-01-16FARMINGTON PWS / TP10376
PFBA< 0.005 µg/L0.005 µg/L2025-03-03FARMINGTON PWS / TP16644
PFBS< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFDA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFDoA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFEESA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFHpA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFHpS< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFHxA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFHxS< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFMBA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFMPA< 0.004 µg/L0.004 µg/L2025-03-03FARMINGTON PWS / TP16644
PFNA< 0.004 µg/L0.004 µg/L2025-03-03FARMINGTON PWS / TP16644
PFOA< 0.004 µg/L0.004 µg/L2025-03-03FARMINGTON PWS / TP16644
PFOS< 0.004 µg/L0.004 µg/L2025-03-03FARMINGTON PWS / TP16644
PFPeA< 0.003 µg/L0.003 µg/L2025-03-03FARMINGTON PWS / TP16644
PFPeS< 0.004 µg/L0.004 µg/L2025-03-03FARMINGTON PWS / TP16644
PFTA< 0.008 µg/L0.008 µg/L2025-01-16FARMINGTON PWS / TP11879
PFTrDA< 0.007 µg/L0.007 µg/L2025-01-16FARMINGTON PWS / TP11877
PFUnA< 0.002 µg/L0.002 µg/L2025-03-03FARMINGTON PWS / TP16644
lithium< 9 µg/L9 µg/L2025-01-16FARMINGTON PWS / TP11877

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) 0.00482 mg/L2022-01-01 – 2024-12-312026Q3
Lead (PB90) 0.00428 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.00428 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00428 mg/L2019-01-01 – 2021-12-312026Q3
Lead (PB90) 0.00864 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.00864 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.00864 mg/L2016-01-01 – 2018-12-312026Q3
Lead (PB90) 0.0142 mg/L2014-01-01 – 2016-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
HFPO-DA< 4.9 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORO PFEESA< 3 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROCTANE SULFONIC ACID (PFOS)< 4 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANOIC ACID (PFHPA)< 3 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORODECANE SULFONIC ACID 8:2 FTS< 5 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROPENTANOIC ACID (PFPEA)< 3 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
11CL-PF3OUDS< 5 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORO PFMBA< 3 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROCTANE SULFONIC ACID (PFOS)1.5 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROCTANOIC ACID (PFOA)< 3.9 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
9CL-PF3ONS< 2 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA< 5 NG/L2025-03-03WELL # 17 OVERALL RD TREATMENT / 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

35 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
Public Notice Rule and Revised PN Rule / Public Notification Violation for NPDWR Violation2026-03-02 – —ResolvedNo2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2024-10-01 – 2025-09-30ResolvedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2024-07-01 – 2025-06-30ResolvedYes2026Q3
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report2022-07-01 – —ResolvedNo2026Q3
Consumer Confidence Rule / Consumer Confidence Report Complete Failure to Report2021-07-01 – —ResolvedNo2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2009-04-01 – 2010-03-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2009-04-01 – 2010-03-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2009-01-01 – 2009-12-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2009-01-01 – 2009-12-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-10-01 – 2009-09-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-10-01 – 2009-09-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-07-01 – 2009-06-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-07-01 – 2009-06-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-04-01 – 2009-03-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-04-01 – 2009-03-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-01-01 – 2008-12-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2008-01-01 – 2008-12-31ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2007-10-01 – 2008-09-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2007-10-01 – 2008-09-30ArchivedYes2026Q3
Radionuclides and Revised Rad Rule / Maximum Contaminant Level Violation, Average2007-07-01 – 2008-06-30ArchivedYes2026Q3

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)

Beavers, Gregory S: 573-756-1701

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