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Water system · PWSID NV0000248

WINNEMUCCA CITY OF

WINNEMUCCA, NV · ~8,518 people served

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

PWSID

NV0000248

State

Nevada

City

WINNEMUCCA

Population served

8,518

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

Latest detections from EPA’s UCMR5 monitoring (through Jan 2025). Levels in parts per trillion (ppt).

Lithium

28,900 ppt

limit —

No federal limit

Violations & enforcement

54

Violations on record

0

Unaddressed

2

Health-based

58

Enforcement actions

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

Monitoring & reporting · Nitrate began Jul 2024 Resolved
Monitoring & reporting · Nitrate began Jun 2024 Resolved
Monitoring & reporting · Nitrate began May 2024 Resolved
Max contaminant level (MCL) · Total coliform health-based began May 2013 Resolved
Monitoring & reporting · EPA contaminant 0999 began Oct 2010 Resolved
Max contaminant level (MCL) · Total coliform health-based began Aug 2010 Resolved
Monitoring & reporting · EPA contaminant 0999 began Jul 2010 Resolved
Monitoring & reporting · Nitrite began Jan 2008 Resolved
Monitoring & reporting · EPA contaminant 2977 began Apr 2004 Resolved
Monitoring & reporting · EPA contaminant 2969 began Apr 2004 Resolved
Monitoring & reporting · EPA contaminant 2976 began Apr 2004 Resolved
Monitoring & reporting · EPA contaminant 2979 began Apr 2004 Resolved

Recent enforcement actions

  • State action · SIE Jan 2025
  • State action · SIE Jan 2025
  • State action · SIE Jan 2025
  • State action · SIA Jan 2025
  • State action · SIA Jan 2025
  • State action · SIA Jan 2025
  • State action · SOX Aug 2024
  • State action · SOX Jul 2013

This profile is built from EPA public records for system NV0000248 — 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.