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Water system · PWSID CA3710014

OCEANSIDE, CITY OF

OCEANSIDE, CA · ~171,483 people served

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

PWSID

CA3710014

State

California

City

OCEANSIDE

Population served

171,483

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

38,000 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

0

Unaddressed

2

Health-based

12

Enforcement actions

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

Monitoring & reporting · EPA contaminant 0300 began Oct 2013 Resolved
Treatment technique · EPA contaminant 0300 health-based began Mar 2005 Resolved
Treatment technique · EPA contaminant 0200 health-based began May 1996 Resolved

Recent enforcement actions

  • State action · SIA Feb 2014
  • State action · SOX Oct 2013
  • State action · SOX Mar 2005
  • State action · SIA Mar 2005
  • EPA/federal action · EOX Mar 2000
  • State action · SOX Aug 1996
  • State action · SOX Jul 1996
  • State action · SFJ Jul 1996

This profile is built from EPA public records for system CA3710014 — 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.