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Water system · PWSID 090400114

SCUA Upper Seven Mile

San Carlos, AZ · ~8,478 people served

Check your exact address → San Carlos overview
60
Fair
PurityRadar safety score

PWSID

090400114

State

Arizona

City

San Carlos

Population served

8,478

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 60 Jun 18, 2026 · score 60

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 Jul 2025). Levels in parts per trillion (ppt).

Lithium

34,700 ppt

limit —

No federal limit

PFBS

30 ppt

limit —

No federal limit

Violations & enforcement

510

Violations on record

10

Unaddressed

63

Health-based

576

Enforcement actions

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

Treatment technique · Lead & Copper Rule health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Nov 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Oct 2025 Unaddressed
Treatment technique · EPA contaminant 0700 health-based began Oct 2025 Unaddressed
Reporting · EPA contaminant 5200 began Nov 2024 Unaddressed
Monitoring & reporting · Lead & Copper Rule began Jan 2023 Unaddressed
Max contaminant level (MCL) · Lead & Copper Rule health-based began Nov 2025 Resolved
Monitoring · Lead & Copper Rule began Oct 2025 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Dec 2025
  • EPA/federal action · EOX Nov 2025
  • EPA/federal action · EOX Jul 2025
  • EPA/federal action · EOX Jun 2025
  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EIA Apr 2025
  • EPA/federal action · EOX Feb 2025
  • EPA/federal action · EOX Feb 2025

This profile is built from EPA public records for system 090400114 — 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.