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Water system · PWSID CA3901031

132 INVESTMENTS WATER SYSTEM

TRACY, CA · ~252 people served

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

PWSID

CA3901031

State

California

City

TRACY

Population served

252

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

9

Violations on record

0

Unaddressed

4

Health-based

16

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Apr 2024. Official EPA record →

Monitoring · Lead & Copper Rule began Feb 2024 Resolved
Max contaminant level (MCL) · Lead & Copper Rule health-based began Sep 2022 Resolved
Other · EPA contaminant 7000 began Jul 2014 Resolved
Max contaminant level (MCL) · Total coliform health-based began Mar 2014 Resolved
Other · EPA contaminant 7000 began Jul 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Apr 2012 Resolved
Max contaminant level (MCL) · Total coliform health-based began Dec 2010 Resolved
Monitoring & reporting · Total coliform began Dec 2001 Resolved
Monitoring & reporting · Total coliform began Mar 1997 Resolved

Recent enforcement actions

  • State action · SFL Apr 2024
  • State action · SOX Mar 2024
  • State action · SOX Oct 2022
  • State action · SFL Oct 2022
  • State action · SIA Nov 2014
  • State action · SOX Nov 2014
  • State action · SOX Apr 2014
  • State action · SIE Mar 2014

This profile is built from EPA public records for system CA3901031 — 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.