BELLA VISTA CITY WATER SYSTEM

SIERRA VISTA, AZ · ~20,045 people served

Check your exact address → SIERRA VISTA overview

100

Excellent

PurityRadar safety score

PWSID

AZ0402010

State

Arizona

City

SIERRA VISTA

Population served

20,045

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 Dec 2023). Levels in parts per trillion (ppt).

Lithium

9,300 ppt

limit —

No federal limit

PFPeA

3.5 ppt

limit —

No federal limit

Violations & enforcement

1,225

Violations on record

Unaddressed

Health-based

208

Enforcement actions

From EPA ECHO (SDWIS), most recent enforcement Oct 2023. Official EPA record →

Monitoring & reporting · Lead & Copper Rule began Oct 2023 Resolved

Monitoring & reporting · EPA contaminant 0999 began Jan 2022 Resolved

Other · EPA contaminant 7000 began Jul 2015 Resolved

Monitoring & reporting · Lead & Copper Rule began Oct 2014 Resolved

Monitoring & reporting · Total coliform began Sep 2014 Resolved

Other · EPA contaminant 7000 began Jul 2014 Resolved

Monitoring & reporting · Nitrate began Jan 2013 Resolved

Monitoring & reporting · Total coliform began Feb 2012 Resolved

Monitoring & reporting · Total coliform began Sep 2011 Resolved

Other · EPA contaminant 7000 began Jul 2010 Resolved

Max contaminant level (MCL) · Total coliform health-based began Sep 2009 Resolved

Monitoring & reporting · EPA contaminant 2977 began Jan 2009 Resolved

Recent enforcement actions

State action · SOX Oct 2023
State action · SIA Oct 2023
State action · SOX Aug 2022
State action · SIA May 2022
State action · SOX Sep 2015
State action · SOX Dec 2014
State action · SOX Dec 2014
State action · SIA Nov 2014

This profile is built from EPA public records for system AZ0402010 — 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.