GREAT BASIN WATER CO COLD SPRINGS

RENO, NV · ~9,650 people served

Check your exact address → RENO overview

100

Excellent

PurityRadar safety score

PWSID

NV0000207

State

Nevada

City

RENO

Population served

9,650

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 Jul 2025). Levels in parts per trillion (ppt).

PFBS

5.1 ppt

limit —

No federal limit

PFHxA

4.7 ppt

limit —

No federal limit

PFPeA

4.1 ppt

limit —

No federal limit

Violations & enforcement

Violations on record

Unaddressed

Health-based

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Dec 2022. Official EPA record →

Max contaminant level (MCL) · Lead & Copper Rule health-based began Dec 2022 Resolved

Monitoring & reporting · Total trihalomethanes (TTHM) began Jan 2005 Resolved

Monitoring & reporting · Haloacetic acids (HAA5) began Jan 2005 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2004 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2000 Resolved

Recent enforcement actions

State action · SOX Dec 2022
State action · SIF Dec 2022
State action · SIA Dec 2022
State action · SIE Dec 2022
State action · SIF Jan 2007
State action · SOX Jan 2007
State action · SIA Apr 2006
State action · SIE Apr 2006

This profile is built from EPA public records for system NV0000207 — 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.