Home/ Directory/ CA/ BLUE MOUNTAIN CENTER

Water system · PWSID CA2100549

BLUE MOUNTAIN CENTER

TOMALES, CA · ~35 people served

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

PWSID

CA2100549

State

California

City

TOMALES

Population served

35

Primary source

Groundwater

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

No PFAS detections are on record for this system from EPA’s UCMR5 monitoring (2023–25). Absence of a detection isn’t a guarantee — not every system was sampled, and this dataset doesn’t cover other contaminants.

Violations & enforcement

3

Violations on record

0

Unaddressed

1

Health-based

5

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Nov 2020. Official EPA record →

Monitoring · Lead & Copper Rule began Sep 2018 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2004 Resolved
Monitoring & reporting · Lead & Copper Rule began Jul 1993 Resolved

Recent enforcement actions

  • State action · SOX Nov 2020
  • State action · SFL Oct 2018
  • State action · SOX Jun 2004
  • State action · SFJ Jun 2004
  • EPA/federal action · EOX Dec 2003

This profile is built from EPA public records for system CA2100549 — 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.