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Water system · PWSID CA1010339

CALIFORNIA STATE UNIVERSITY FRESNO

FRESNO, CA · ~41,000 people served

Check your exact address → FRESNO overview
67
Fair
PurityRadar safety score

PWSID

CA1010339

State

California

City

FRESNO

Population served

41,000

Primary source

Groundwater

Score history

▼ 33 points — the score moved from 100 to 67 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 67

2 score updates logged since tracking began Jun 18, 2026. Each future EPA re-score adds a point.

PFAS & contaminant readings

Latest detections from EPA’s UCMR5 monitoring (through Jul 2023). Levels in parts per trillion (ppt).

PFOA

Perfluorooctanoic acid

12 ppt

limit 4 ppt

Above EPA limit · 3.0×

PFPeA

16 ppt

limit —

No federal limit

PFBS

13 ppt

limit —

No federal limit

PFHxA

11 ppt

limit —

No federal limit

PFBA

5.8 ppt

limit —

No federal limit

PFHpA

4.3 ppt

limit —

No federal limit

Violations & enforcement

2

Violations on record

0

Unaddressed

2

Health-based

4

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Aug 1994. Official EPA record →

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

Recent enforcement actions

  • State action · SOX Aug 1994
  • State action · SFJ Aug 1994
  • State action · SOX May 1994
  • State action · SFJ May 1994

This profile is built from EPA public records for system CA1010339 — 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.