DEL ORO WATER CO.-PARADISE PINES

CHICO, CA · ~10,940 people served

Check your exact address → CHICO overview

100

Excellent

PurityRadar safety score

PWSID

CA0410011

State

California

City

CHICO

Population served

10,940

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

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 2006. Official EPA record →

Max contaminant level (MCL) · Total coliform health-based began Jun 2006 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jun 2000 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jan 1997 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 1994 Resolved

Max contaminant level (MCL) · Total coliform health-based began Jan 1993 Resolved

Max contaminant level (MCL) · Total coliform health-based began Oct 1992 Resolved

Recent enforcement actions

State action · SIA Aug 2006
State action · SOX Jul 2006
State action · SIA Oct 2002
State action · SOX Jul 2000
State action · SIE Jul 2000
EPA/federal action · EOX Mar 2000
State action · SIE Mar 1997
State action · SOX Feb 1997

This profile is built from EPA public records for system CA0410011 — 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.