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Water system · PWSID MO6036126

ARGYLE ESTATES WATER SUPPLY

UNION, MO · ~380 people served

Check your exact address → UNION overview
100
Excellent
PurityRadar safety score

PWSID

MO6036126

State

Missouri

City

UNION

Population served

380

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 100

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

41

Violations on record

5

Unaddressed

4

Health-based

110

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2024. Official EPA record →

Other · EPA contaminant 7000 began Jul 2025 Unaddressed
Other · EPA contaminant 7500 began Dec 2023 Unaddressed
Other · EPA contaminant 7500 began Nov 2023 Unaddressed
Other · EPA contaminant 7500 began Nov 2021 Unaddressed
Other · EPA contaminant 7500 began Dec 2019 Unaddressed
Treatment technique · Lead & Copper Rule health-based began Aug 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Nov 2022 Resolved
Other · EPA contaminant 7000 began Jul 2022 Resolved
Treatment technique · EPA contaminant 0700 health-based began Aug 2021 Resolved
Other · EPA contaminant 0700 began May 2021 Resolved
Monitoring & reporting · Thallium began Jan 2021 Resolved
Other · EPA contaminant 7000 began Jul 2020 Resolved

Recent enforcement actions

  • State action · SFJ Nov 2024
  • State action · SIA Oct 2024
  • State action · SOX Nov 2023
  • State action · SFJ Sep 2023
  • State action · SIE Sep 2023
  • State action · SOX Jul 2023
  • State action · SOX Jan 2023
  • State action · SIF Jan 2023

This profile is built from EPA public records for system MO6036126 — SDWIS violations and UCMR5 PFAS sampling. The score is system-level and can’t account for your home’s plumbing (older pipes can add lead at the tap). For health decisions, check your exact address, read the utility’s Consumer Confidence Report, and confirm with your provider.