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Water system · PWSID AZ0408149

CS WHITE HILLS WATER COMPANY UNIT 1

DES PERES, MO · ~338 people served

Check your exact address → DES PERES overview
100
Excellent
PurityRadar safety score

PWSID

AZ0408149

State

Missouri

City

DES PERES

Population served

338

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

86

Violations on record

2

Unaddressed

17

Health-based

138

Enforcement actions

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

Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2025 Unaddressed
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2025 Unaddressed
Monitoring & reporting · Arsenic began Jul 2025 Resolved
Monitoring & reporting · Arsenic began Apr 2025 Resolved
Monitoring & reporting · Arsenic began Oct 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2023 Resolved
Monitoring & reporting · Arsenic began Jul 2023 Resolved
Other · EPA contaminant 7500 began Mar 2023 Resolved
Monitoring & reporting · Arsenic began Oct 2021 Resolved
Other · EPA contaminant 7500 began Jul 2021 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 2021 Resolved
Other · EPA contaminant 7500 began Jun 2021 Resolved

Recent enforcement actions

  • State action · SOX Nov 2025
  • State action · SIE Oct 2025
  • State action · SIA Oct 2025
  • State action · SIA Oct 2025
  • State action · SOX Aug 2025
  • State action · SIA Jul 2025
  • State action · SOX Feb 2025
  • State action · SIA Feb 2025

This profile is built from EPA public records for system AZ0408149 — 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.