No health-based violations on EPA record since 2016.
Serves about 9,552 people (3,943 connections) with surface water bought from KC Water, Smithville PWS, Platte County Cons PWSD 1 and 2 more.
From EPA's record for MO1024478. PurityMap is independent of Platte Co PWSD 4.
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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 January 2024 to October 2024.
| Contaminant | Result | Limit | Status | Sampled | Source |
|---|---|---|---|---|---|
| Lithium | 52 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorohexanesulfonic acid (PFHxS) | 3.3 ng/L | 10 ng/L federal MCL (2024) | Within a historical reference; current applicability unverified | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoropentanoic acid (PFPeA) | 3.2 ng/L | No federal or state limit; shown for transparency | Detected, no limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 4,8-Dioxa-3H-perfluorononanoic acid (ADONA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Hexafluoropropylene oxide dimer acid (HFPO-DA) (GenX chemicals) | < 5 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA) | < 6 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Nonafluoro-3,6-dioxaheptanoic acid (NFDHA) | < 20 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoro (2-ethoxyethane) sulfonic acid (PFEESA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoro-3-methoxypropanoic acid (PFMPA) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoro-4-methoxybutanoic acid (PFMBA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| 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 | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorobutanoic acid (PFBA) | < 5 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorodecanoic acid (PFDA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorododecanoic acid (PFDoA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoroheptanesulfonic acid (PFHpS) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoroheptanoic acid (PFHpA) | < 3 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorohexanoic acid (PFHxA) | < 3 ng/L | 400,000 ng/L Michigan EGLE state MCL (strictest US state) | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorononanoic acid (PFNA) | < 4 ng/L | 10 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorooctanesulfonic acid (PFOS) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorooctanoic acid (PFOA) | < 4 ng/L | 4.0 ng/L federal MCL (2024) | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoropentanesulfonic acid (PFPeS) | < 4 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorotetradecanoic acid (PFTA) | < 8 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluorotridecanoic acid (PFTrDA) | < 7 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
| Perfluoroundecanoic acid (PFUnA) | < 2 ng/L | No federal or state limit; shown for transparency | Not detected above the reporting limit | 2024-01-09 to 2024-10-21 | UCMR5 Analytical Results: PLATTE CO PWSD 4 (MO1024478) |
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 →Platte Co PWSD 4's phone number on EPA record is 816-858-2782. Its mailing address is 229 MARSHALL RD, PO BOX 1940, PLATTE CITY, MO 64079-0000.
According to EPA's record, Platte Co PWSD 4 uses surface water bought from KC Water, Smithville PWS, Platte County Cons PWSD 1 and 2 more.
No health-based violations on EPA record since 2016. The record comes from EPA's SDWIS compliance database.
Lead was not detected at the 90th percentile of tap samples in Platte Co PWSD 4's latest lead and copper round, which ended in December 2025. The federal action level is 15 µg/L.
PurityMap has no verified website for Platte Co PWSD 4. Its phone number on EPA record is 816-858-2782. Its mailing address on EPA record is 229 MARSHALL RD, PO BOX 1940, PLATTE CITY, MO 64079-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.