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Water system · PWSID AZ0411409

VALLE ESCONDIDO

MARICOPA, AZ · ~405 people served

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

PWSID

AZ0411409

State

Arizona

City

MARICOPA

Population served

405

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

39

Violations on record

0

Unaddressed

6

Health-based

94

Enforcement actions

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

Other · EPA contaminant 7500 began Dec 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began Nov 2024 Resolved
Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Other · EPA contaminant 7500 began Apr 2024 Resolved
Other · EPA contaminant 7500 began Apr 2024 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2024 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2023 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2023 Resolved
Monitoring & reporting · Lead & Copper Rule began Jan 2023 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2022 Resolved
Reporting · Lead & Copper Rule began Mar 2022 Resolved

Recent enforcement actions

  • State action · SIF Feb 2025
  • State action · SIF Feb 2025
  • State action · SIF Feb 2025
  • State action · SOX Feb 2025
  • State action · SIE Feb 2025
  • State action · SIA Feb 2025
  • State action · SIA Jan 2025
  • State action · SOX Dec 2024

This profile is built from EPA public records for system AZ0411409 — 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.