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Water system · PWSID CA3710037

PADRE DAM MWD

SANTEE, CA · ~93,980 people served

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

PWSID

CA3710037

State

California

City

SANTEE

Population served

93,980

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

Lithium

13,000 ppt

limit —

No federal limit

PFBA

5.8 ppt

limit —

No federal limit

Violations & enforcement

1

Violations on record

0

Unaddressed

1

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2003. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Mar 1995 Resolved

Recent enforcement actions

  • State action · SFH Oct 2003
  • State action · SFJ Jun 1995
  • State action · SOX Jun 1995
  • State action · SIA Mar 1995

This profile is built from EPA public records for system CA3710037 — 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.