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Water utility · Warren County · Missouri

St Charles County PWSD 2 North Oak DR

No health-based violations on EPA record since 2016.

Serves about 660 people (235 connections) with groundwater from its own wells.

  • PWSID MO6021633
  • EPA registered name: ST CHARLES COUNTY PWSD 2 NORTH OAK DR
  • EPA record checked June 16, 2026
Contact

Contact St Charles County PWSD 2 North Oak DR

From EPA's record for MO6021633. PurityMap is independent of St Charles County PWSD 2 North Oak DR.

Mailing address
100 WATER DR
O'FALLON, MO 63368-0000
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EPA compliance record

What EPA's record shows

No health-based violations in the last 10 years, from EPA's SDWIS compliance database.

  • Lead: the 90th-percentile result in the latest lead and copper round (the round ending December 31, 2024) was 1.26 µg/L. The federal action level is 15 µg/L, a trigger for more treatment steps, not a legal limit.
  • Missed or late tests or reports: 3 in 10 years.
  • EPA lists 5 enforcement actions in 10 years; the latest on September 30, 2025.

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.

Commercial · test your own tap

The system record stops at your property line

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 DIY Lead in Drinking Water Combo Test Kit

    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.

Questions

About St Charles County PWSD 2 North Oak DR

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What is the phone number for St Charles County PWSD 2 North Oak DR?

St Charles County PWSD 2 North Oak DR's phone number on EPA record is 636-385-5197. Its mailing address is 100 WATER DR, O'FALLON, MO 63368-0000.

Where does St Charles County PWSD 2 North Oak DR get its water?

According to EPA's record, St Charles County PWSD 2 North Oak DR uses groundwater from its own wells.

Does St Charles County PWSD 2 North Oak DR have any EPA violations?

No health-based violations on EPA record since 2016. EPA also lists 3 missed or late tests or reports in 10 years. The record comes from EPA's SDWIS compliance database.

What is St Charles County PWSD 2 North Oak DR's latest lead result?

The 90th-percentile lead result in St Charles County PWSD 2 North Oak DR's latest lead and copper round, which ended in December 2024, was 1.26 µg/L, below the federal action level of 15 µg/L.

Who do I contact about my St Charles County PWSD 2 North Oak DR water bill?

PurityMap has no verified website for St Charles County PWSD 2 North Oak DR. Its phone number on EPA record is 636-385-5197. Its mailing address on EPA record is 100 WATER DR, O'FALLON, MO 63368-0000. Your water bill lists the ways to contact your supplier and pay. PurityMap does not take payments.