HAMILTON BRANCH CSD

LAKE ALMANOR, CA · ~1,874 people served

Check your exact address → LAKE ALMANOR overview

100

Excellent

PurityRadar safety score

PWSID

CA3210010

State

California

City

LAKE ALMANOR

Population served

1,874

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Feb 2025. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved

Monitoring & reporting · Total coliform began Apr 2002 Resolved

Max contaminant level (MCL) · Total coliform health-based began Feb 2002 Resolved

Recent enforcement actions

State action · SFL Feb 2025
State action · SOX Jun 2024
State action · SFJ Feb 2024
State action · SIA Aug 2002
State action · SOX May 2002
State action · SIA Apr 2002
State action · SOX Mar 2002

This profile is built from EPA public records for system CA3210010 — 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.