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Water system · PWSID CA1910061

LAS FLORES WATER CO.

ALTADENA, CA · ~4,847 people served

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

PWSID

CA1910061

State

California

City

ALTADENA

Population served

4,847

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

Lithium

39,100 ppt

limit —

No federal limit

Violations & enforcement

5

Violations on record

0

Unaddressed

2

Health-based

10

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2014. Official EPA record →

Monitoring & reporting · EPA contaminant 3014 began Jul 2014 Resolved
Monitoring & reporting · EPA contaminant 3014 began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 1997 Resolved
Monitoring & reporting · Total coliform began Aug 1997 Resolved

Recent enforcement actions

  • State action · SOX Aug 2014
  • State action · SFJ Jul 2014
  • State action · SOX Jul 2010
  • State action · SFL Mar 2008
  • State action · SOX Mar 2008
  • EPA/federal action · EOX Mar 2000
  • State action · SOX Sep 1997
  • State action · SFJ Sep 1997

This profile is built from EPA public records for system CA1910061 — 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.