SANTA FE I.D.

RANCHO SANTA FE, CA · ~21,578 people served

Check your exact address → RANCHO SANTA FE overview

100

Excellent

PurityRadar safety score

PWSID

CA3710023

State

California

City

RANCHO SANTA FE

Population served

21,578

Primary source

Surface water

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

Lithium

39,800 ppt

limit —

No federal limit

PFHxA

4.5 ppt

limit —

No federal limit

PFPeA

4.3 ppt

limit —

No federal limit

Violations & enforcement

No violations are on record for this system in EPA’s SDWIS/ECHO data.

This profile is built from EPA public records for system CA3710023 — 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.