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Water system · PWSID AZ0414442

CS EL PRADO WATER COMPANY

DES PERES, MO · ~404 people served

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

PWSID

AZ0414442

State

Missouri

City

DES PERES

Population served

404

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

168

Violations on record

0

Unaddressed

42

Health-based

252

Enforcement actions

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

Other · EPA contaminant 7500 began Aug 2025 Resolved
Other · EPA contaminant 7500 began Jun 2025 Resolved
Monitoring & reporting · Arsenic began Jan 2025 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2024 Resolved
Monitoring & reporting · Arsenic began Apr 2024 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Mar 2024 Resolved
Monitoring · Lead & Copper Rule began Jan 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2024 Resolved
Monitoring & reporting · Lead & Copper Rule began Oct 2022 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2022 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2022 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2022 Resolved

Recent enforcement actions

  • State action · SOX Oct 2025
  • State action · SOX Sep 2025
  • State action · SIA Sep 2025
  • State action · SOX Sep 2025
  • State action · SOX Sep 2025
  • State action · SIA Jul 2025
  • State action · SIA Apr 2025
  • State action · SOX Apr 2025

This profile is built from EPA public records for system AZ0414442 — 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.