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Water system · PWSID MO4024522

RIPLEY COUNTY PWSD 1 WEST

DONIPHAN, MO · ~940 people served

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

PWSID

MO4024522

State

Missouri

City

DONIPHAN

Population served

940

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

19

Violations on record

0

Unaddressed

17

Health-based

65

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2025. Official EPA record →

Monitoring · Lead & Copper Rule began Aug 2025 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Apr 2020 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2020 Resolved
Max contaminant level (MCL) · Uranium health-based began Jan 2020 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jan 2020 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Uranium health-based began Oct 2019 Resolved
Max contaminant level (MCL) · Uranium health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Jul 2019 Resolved
Max contaminant level (MCL) · Gross alpha health-based began Apr 2019 Resolved

Recent enforcement actions

  • State action · SIF Oct 2025
  • State action · SIE Sep 2025
  • State action · SIA Sep 2025
  • State action · SOX Sep 2025
  • State action · SFO Jun 2022
  • State action · SIF Sep 2021
  • State action · SIF Sep 2021
  • State action · SFJ Aug 2021

This profile is built from EPA public records for system MO4024522 — 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.