AZ0412004
AZ
1 open health violation(s)

City of Nogales

Groundwater · Local · 3037 NORTH PARK CIRCLE, 3037 N PARK CIR

Overall Risk Level

High Concern

No Concern
Low
Moderate
High
Critical

Elevated contaminant levels detected. Filtration recommended.

Utility Overview

Population Served

22,000

Source Type

Groundwater

Ownership

Local

PWSID

AZ0412004

Detected Contaminants

CCR data ingestion in progress

Contaminant detection levels from Consumer Confidence Reports are being parsed and linked to utilities. Check back soon, or view the official report directly from the EPA links below.

View on EPA ECHO

Violation History

Sourced from EPA SDWIS. Health-based violations mean a contaminant exceeded the legal limit. Monitoring/Reporting violations mean required test results were not submitted to EPA — not necessarily that the water is unsafe.

MR — Total Coliform

Open
Oct 2025Monitoring/Reporting failure

MR — E. coli

Open
Jul 2025Monitoring/Reporting failure

MR — Total Coliform

Open
Jul 2025Monitoring/Reporting failure

MR

Open
Jul 2025Monitoring/Reporting failureCode 0999

Other

Resolved
Dec 2024 – Feb 2025Monitoring/Reporting failureCode 7500

Reporting

Open
Oct 2024Monitoring/Reporting failureCode 5200

Treatment Technique

Open
Oct 2024Health-basedCode 5200

MR — Haloacetic Acids (HAA5)

Resolved
Oct 2024 – Feb 2025Monitoring/Reporting failure

MR — Total Trihalomethanes (TTHMs)

Resolved
Oct 2024 – Feb 2025Monitoring/Reporting failure

MR — Total Coliform

Resolved
Oct 2024 – Jan 2025Monitoring/Reporting failure

Related Pages

Arizona State Overview

All utilities in AZ

Data Sources & Provenance

All data on this page is sourced from official U.S. government or public datasets.

EPA ECHO — Water System & Compliance Report— PWSID AZ0412004View source
EPA CCR — Consumer Confidence ReportsView source
Last updated: 2026-04-15
High Confidence
Annual refresh cycle

At a Glance

PWSIDAZ0412004
StateArizona
Risk Levelhigh
Population Served22,000
Open Health Violations1

Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.

Data Sources

EPA ECHO Facility Report EPA CCR Search