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Water system · PWSID 090600158

Viejas Community System

Alpine, CA · ~9,600 people served

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

PWSID

090600158

State

California

City

Alpine

Population served

9,600

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

Latest detections from EPA’s UCMR5 monitoring (through Dec 2024). Levels in parts per trillion (ppt).

Lithium

15,100 ppt

limit —

No federal limit

PFBS

24 ppt

limit —

No federal limit

Violations & enforcement

144

Violations on record

1

Unaddressed

3

Health-based

182

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2026. Official EPA record →

Reporting · Lead & Copper Rule began Dec 2025 Unaddressed
Max contaminant level (MCL) · Total coliform health-based began Dec 2008 Resolved
Monitoring & reporting · Total coliform began May 2007 Resolved
Monitoring & reporting · Nitrate began Jan 2007 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2007 Resolved
Monitoring & reporting · Antimony began Jan 2005 Resolved
Monitoring & reporting · Selenium began Jan 2005 Resolved
Monitoring & reporting · EPA contaminant 1085 began Jan 2005 Resolved
Monitoring & reporting · Cyanide began Jan 2005 Resolved
Monitoring & reporting · Arsenic began Jan 2005 Resolved
Monitoring & reporting · Cadmium began Jan 2005 Resolved
Monitoring & reporting · Barium began Jan 2005 Resolved

Recent enforcement actions

  • EPA/federal action · EOX Feb 2026
  • EPA/federal action · EIC Feb 2011
  • EPA/federal action · EIC Sep 2010
  • EPA/federal action · EIC Jul 2010
  • EPA/federal action · EIC Jul 2010
  • EPA/federal action · EIC Apr 2010
  • EPA/federal action · EIC Feb 2010
  • EPA/federal action · EIC Feb 2010

This profile is built from EPA public records for system 090600158 — 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.