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Water system · PWSID AZ0414082

USMC YUMA MAIN SYSTEM

YUMA, AZ · ~8,353 people served

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

PWSID

AZ0414082

State

Arizona

City

YUMA

Population served

8,353

Primary source

Surface water

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

Latest detections from EPA’s UCMR5 monitoring (through Nov 2023). Levels in parts per trillion (ppt).

PFHxS

Perfluorohexanesulfonic acid

3.1 ppt

limit 10 ppt

Below EPA limit

Lithium

84,000 ppt

limit —

No federal limit

Violations & enforcement

198

Violations on record

0

Unaddressed

7

Health-based

125

Enforcement actions

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

Other · EPA contaminant 7000 began Oct 2025 Resolved
Reporting · Lead & Copper Rule began Jul 2025 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Apr 2025 Resolved
Reporting · Lead & Copper Rule began Mar 2025 Resolved
Monitoring & reporting · EPA contaminant 0300 began Jun 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began May 2024 Resolved
Treatment technique · EPA contaminant 0700 health-based began May 2024 Resolved
Monitoring & reporting · EPA contaminant 0999 began Apr 2023 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2023 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2023 Resolved
Monitoring & reporting · Bromate began Jul 2022 Resolved
Other · EPA contaminant 7500 began Jun 2020 Resolved

Recent enforcement actions

  • State action · SOX Dec 2025
  • State action · SIA Nov 2025
  • State action · SOX Oct 2025
  • State action · SOX Aug 2025
  • State action · SIA Aug 2025
  • State action · SIF Jul 2025
  • State action · SIA May 2025
  • State action · SIE May 2025

This profile is built from EPA public records for system AZ0414082 — 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.