Total trihalomethanes (TTHM) above the legal limit in the period starting January 2026.
Serves about 840 people (312 connections) with surface water bought from Lathrop PWS and Plattsburg PWS.
From EPA's record for MO1024154. PurityMap is independent of Clinton County PWSD 4 Sys 2.
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2 health-based violations in the last 10 years, from EPA's SDWIS compliance database.
| Period | Contaminant | Measured | Legal limit | EPA status |
|---|---|---|---|---|
| Jan–Mar 2026 | Total trihalomethanes (TTHM) | 88 µg/L | 0.080 mg/L | Archived |
| Oct–Dec 2025 | Total trihalomethanes (TTHM) | 87.8 µg/L | 0.080 mg/L | Archived |
No lab results for other contaminants (like PFAS) are on file for this system. EPA required that testing from systems serving more than 3,300 people, plus a sample of smaller ones.
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.
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Follow this water →Clinton County PWSD 4 Sys 2's phone number on EPA record is 816-580-7211. Its mailing address is 8544 SE V HWY, LATHROP, MO 64465-0000.
According to EPA's record, Clinton County PWSD 4 Sys 2 uses surface water bought from Lathrop PWS and Plattsburg PWS.
EPA's record shows 2 health-based violations for Clinton County PWSD 4 Sys 2 in the 10 years to July 9, 2026. Total trihalomethanes (TTHM) were above the legal limit in the period starting January 2026. EPA also lists 4 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.
The 90th-percentile lead result in Clinton County PWSD 4 Sys 2's latest lead and copper round, which ended in December 2024, was 2.31 µg/L, below the federal action level of 15 µg/L.
PurityMap has no verified website for Clinton County PWSD 4 Sys 2. Its phone number on EPA record is 816-580-7211. Its mailing address on EPA record is 8544 SE V HWY, LATHROP, MO 64465-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.