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Water system · PWSID CA4110013

CITY OF DALY CITY

DALY CITY, CA · ~104,901 people served

Check your exact address → DALY CITY overview
100
Excellent
PurityRadar safety score

PWSID

CA4110013

State

California

City

DALY CITY

Population served

104,901

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 May 2023). Levels in parts per trillion (ppt).

Lithium

9,500 ppt

limit —

No federal limit

Violations & enforcement

4

Violations on record

0

Unaddressed

4

Health-based

12

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Jan 2004. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Dec 2003 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2000 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jul 1998 Resolved
Treatment technique · EPA contaminant 0200 health-based began Apr 1992 Resolved

Recent enforcement actions

  • State action · SOX Jan 2004
  • State action · SIA Jan 2004
  • State action · SOX Jun 2000
  • State action · SIE Jun 2000
  • EPA/federal action · EOX Mar 2000
  • State action · SOX Aug 1998
  • State action · SFJ Aug 1998
  • EPA/federal action · EOX Dec 1993

This profile is built from EPA public records for system CA4110013 — 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.