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Water system · PWSID CA1910130

QUARTZ HILL WATER DIST.

QUARTZ HILL, CA · ~19,100 people served

Check your exact address → QUARTZ HILL overview
100
Excellent
PurityRadar safety score

PWSID

CA1910130

State

California

City

QUARTZ HILL

Population served

19,100

Primary source

SWP

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

Lithium

12,200 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

1

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 1999. Official EPA record →

Other · Total coliform began Jun 1999 Resolved
Max contaminant level (MCL) · Total coliform health-based began Nov 1995 Resolved

Recent enforcement actions

  • State action · SOX Jun 1999
  • State action · SIA Jun 1999
  • State action · SOX Jan 1996
  • State action · SFJ Jan 1996

This profile is built from EPA public records for system CA1910130 — 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.