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Water system · PWSID CA3900624

IL VINETO

HILLSBOROUGH, CA · ~160 people served

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

PWSID

CA3900624

State

California

City

HILLSBOROUGH

Population served

160

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

12

Violations on record

0

Unaddressed

6

Health-based

19

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement May 2017. Official EPA record →

Monitoring · Lead & Copper Rule began Apr 2017 Resolved
Other · EPA contaminant 7000 began Jul 2013 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2010 Resolved
Other · EPA contaminant 7000 began Jul 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Oct 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Sep 2007 Resolved
Max contaminant level (MCL) · Total coliform health-based began Feb 2007 Resolved
Other · EPA contaminant 7000 began Jul 2006 Resolved
Other · EPA contaminant 7000 began Jul 2005 Resolved
Max contaminant level (MCL) · Total coliform health-based began Jun 2001 Resolved

Recent enforcement actions

  • State action · SOX May 2017
  • State action · SFO May 2017
  • State action · SIE Jul 2013
  • State action · SOX Jul 2013
  • State action · SOX Jul 2012
  • State action · SIA Jul 2012
  • State action · SOX Sep 2010
  • State action · SIE Aug 2010

This profile is built from EPA public records for system CA3900624 — 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.