No health-based violations on EPA record since 2016.
Serves about 30,075 people (10,875 connections) with surface water from its own intake.
From EPA's record for MO3010409. PurityMap is independent of MO American Jefferson City District.
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No health-based violations in the last 10 years, from EPA's SDWIS compliance database.
EPA required this system to test for 30 unregulated and emerging contaminants, from February 2024 to November 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 92.7 µg/L | 10 µg/L EPA health reference level (screening, not a legal limit)Screening level, not a legal limit | Above the referenced health-based guidance value | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorobutanoic acid (PFBA) | 7.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 1H, 1H, 2H, 2H-perfluorodecane sulfonic acid (8:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 1H, 1H, 2H, 2H-perfluorohexane sulfonic acid (4:2 FTS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 1H, 1H, 2H, 2H-perfluorooctane sulfonic acid (6:2 FTS) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| 9-Chlorohexadecafluoro-3-oxanone-1-sulfonic acid (9Cl-PF3ONS) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorobutanesulfonic acid (PFBS) | < 3 ng/L | 2,000 ng/L EPA health advisory (screening, not a legal limit)Screening level, not a legal limit | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorohexanesulfonic acid (PFHxS) | < 3 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoropentanoic acid (PFPeA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-02-06 to 2024-11-06 | UCMR5 Analytical Results: MO AMERICAN JEFFERSON CITY DISTRICT (MO3010409) |
Screening tells you if something is worth a closer look; a lab result is the number you can act on.
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Screening: quick check, not lab-grade
Safe Home (EnviroTestKits)
Lead, read as one of three ranges: 0–4, 5–15 or 15+ ppb
Turnaround: 5 minutes
What it can't tell you: It shows a lead range, not an exact level, and tests nothing else unless you pay extra for the optional lab test.
Lab-certified results
ETR Laboratories
50+ substances, including lead, copper, arsenic, nitrate, hardness and coliform bacteria
Environmental Testing and Research Laboratories (ETR Labs), Leominster, MA · ISO/IEC 17025:2017, ANAB certificate AT-2638 · 2–4 business days after the lab receives it
What it can't tell you: It does not test PFAS, and not every result on the panel falls under the lab's accredited scope.
Get PurityMap updates about this water system.
Follow this water →MO American Jefferson City District's phone number on EPA record is 573-634-3801. Its mailing address is 320 HOOVER RD, JEFFERSON CITY, MO 65109-0000.
According to EPA's record, MO American Jefferson City District uses surface water from its own intake.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in MO American Jefferson City District's latest lead and copper round, which ended in December 2025, was 2 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for MO American Jefferson City District. Its phone number on EPA record is 573-634-3801. Its mailing address on EPA record is 320 HOOVER RD, JEFFERSON CITY, MO 65109-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.