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Water system · PWSID NV0000062

FERNLEY PUBLIC WORKS

FERNLEY, NV · ~23,064 people served

Check your exact address → FERNLEY overview
90
Excellent
PurityRadar safety score

PWSID

NV0000062

State

Nevada

City

FERNLEY

Population served

23,064

Primary source

Groundwater

Score history

▼ 10 points — the score moved from 100 to 90 on Jun 18, 2026, as newly published EPA data was incorporated.

Jun 18, 2026 · score 100 Jun 18, 2026 · score 90

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 Nov 2024). Levels in parts per trillion (ppt).

PFOS

Perfluorooctanesulfonic acid

4.4 ppt

limit 4 ppt

Above EPA limit · 1.1×

Lithium

28,900 ppt

limit —

No federal limit

Violations & enforcement

158

Violations on record

0

Unaddressed

23

Health-based

57

Enforcement actions

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

Reporting · EPA contaminant 5200 began Oct 2024 Resolved
Treatment technique · EPA contaminant 5200 health-based began Oct 2024 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Oct 2014 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Oct 2014 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2010 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jul 2009 Resolved
Monitoring & reporting · Haloacetic acids (HAA5) began Jul 2009 Resolved
Monitoring & reporting · Total trihalomethanes (TTHM) began Jul 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Apr 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Jan 2009 Resolved
Max contaminant level (MCL) · Arsenic health-based began Oct 2008 Resolved

Recent enforcement actions

  • State action · SOX Jul 2025
  • State action · SOX Oct 2024
  • State action · SIE Apr 2015
  • State action · SIA Apr 2015
  • State action · SOX Mar 2015
  • State action · SOX Sep 2010
  • State action · SOX Jul 2010
  • State action · SIA Jun 2010

This profile is built from EPA public records for system NV0000062 — 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.