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Water system · PWSID CA1910092

MONTEREY PARK-CITY, WATER DEPT.

MONTEREY PARK, CA · ~62,183 people served

Check your exact address → MONTEREY PARK overview
85
Excellent
PurityRadar safety score

PWSID

CA1910092

State

California

City

MONTEREY PARK

Population served

62,183

Primary source

Groundwater

Score history

No change since tracking began Jun 18, 2026.

Jun 18, 2026 · score 85 Jun 18, 2026 · score 85

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

PFBA

7.4 ppt

limit —

No federal limit

PFPeA

5 ppt

limit —

No federal limit

Violations & enforcement

3

Violations on record

2

Unaddressed

1

Health-based

7

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jun 2005. Official EPA record →

Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Unaddressed
Reporting · EPA contaminant 5200 began Oct 2024 Unaddressed
Monitoring & reporting · Total coliform began Apr 2005 Resolved

Recent enforcement actions

  • State action · SOX Jun 2005
  • State action · SFL Jun 2005
  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EOX Dec 1993
  • EPA/federal action · EO+ Nov 1993
  • EPA/federal action · EFL Dec 1992
  • EPA/federal action · EOX Dec 1992

This profile is built from EPA public records for system CA1910092 — 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.