An independent public resourceEnglish Español

Mo American Jefferson City District

Published drinking-water records and contacts for Mo American Jefferson City District. System MO3010409. Review sources and dates; not a real-time water assessment.

System ID
MO3010409
State or territory
MO
Published population served
30075
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.

Read the provider’s annual water quality report

Report link listed: 2026-10-10. This is not the report’s sampling date.

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/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
4:2 FTS< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
6:2 FTS< 0.005 µg/L0.005 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
8:2 FTS< 0.005 µg/L0.005 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
9Cl-PF3ONS< 0.002 µg/L0.002 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
ADONA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
HFPO-DA< 0.005 µg/L0.005 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
NEtFOSAA< 0.005 µg/L0.005 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
NFDHA< 0.02 µg/L0.02 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
NMeFOSAA< 0.006 µg/L0.006 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFBA< 0.005 µg/L0.005 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFBS< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFDA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFDoA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFEESA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFHpA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFHpS< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFHxA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFHxS< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFMBA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFMPA< 0.004 µg/L0.004 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFNA< 0.004 µg/L0.004 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFOA< 0.004 µg/L0.004 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFOS< 0.004 µg/L0.004 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFPeA< 0.003 µg/L0.003 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFPeS< 0.004 µg/L0.004 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFTA< 0.008 µg/L0.008 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFTrDA< 0.007 µg/L0.007 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
PFUnA< 0.002 µg/L0.002 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021
lithium82.2 µg/L9 µg/L2024-11-06MO AMERICAN JEFFERSON CITY DISTRICT / TP50021

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) 0.002 mg/L2023-01-01 – 2025-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0 mg/L2020-01-01 – 2022-12-312026Q3
Lead (PB90) 0.002 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.002 mg/L2017-01-01 – 2019-12-312026Q3
Lead (PB90) 0.002 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.002 mg/L2014-01-01 – 2016-12-312026Q3
Lead (PB90) 0.001 mg/L2011-01-01 – 2013-12-312026Q3
Twelve most recent imported state laboratory records
SubstancePublished resultSample dateLocation / source
ADONA< 3 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
NONAFLUORO NFDHA< 20 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
HFPO-DA< 5 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROTRIDECANOIC ACID (PFTRDA)< 7 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANE SULFONIC ACID 4:2 FTS< 3 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORO PFMPA< 4 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROBUTANOIC ACID (PFBA)< 5 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROPENTANESULFONIC ACID (PFPES)< 4 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEXANE SULFONIC ACID (PFHxS)< 3 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
NETFOSAA< 5 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUORODECANOIC ACID (PFDA)< 3 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / Missouri DNR PFAS samples — non-UCMR classes
PERFLUOROHEPTANOIC ACID (PFHPA)< 3 NG/L2024-11-06JEFFERSON CITY - TREATMENT PLANT / 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

0 imported records. Status is as recorded in the source; historical records are not current advisories. Missing records do not establish that no violations occurred.

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)

Wheat, Curtis: 573-634-3801

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