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Water system · PWSID CA3600200

RANCHERITOS MWC

APPLE VALLEY, CA · ~487 people served

Check your exact address → APPLE VALLEY overview
100
Excellent
PurityRadar safety score

PWSID

CA3600200

State

California

City

APPLE VALLEY

Population served

487

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 Jun 2024). Levels in parts per trillion (ppt).

Lithium

9,450 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

0

Health-based

4

Enforcement actions

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

Monitoring & reporting · Nitrate began Jan 2022 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SFL Feb 2024
  • State action · SFL Feb 2023
  • EPA/federal action · EOX Sep 2005

This profile is built from EPA public records for system CA3600200 — 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.