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Water system · PWSID CA3610002

ALPINE WATER USERS ASSOCIATION

TWIN PEAKS, CA · ~2,534 people served

Check your exact address → TWIN PEAKS overview
100
Excellent
PurityRadar safety score

PWSID

CA3610002

State

California

City

TWIN PEAKS

Population served

2,534

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

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

3

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2015. Official EPA record →

Max contaminant level (MCL) · Combined radium-226/228 health-based began Jul 2011 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Apr 2011 Resolved
Max contaminant level (MCL) · Combined radium-226/228 health-based began Jan 2011 Resolved

Recent enforcement actions

  • State action · SOX Aug 2015
  • State action · SFL Oct 2011
  • EPA/federal action · EOX Mar 2000
  • EPA/federal action · EFJ May 1993

This profile is built from EPA public records for system CA3610002 — 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.