Water Quality in Nogales, AZ (85648)

EPA violation data for public water systems serving ZIP code 85648.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

22,118

Population

2

Water Systems

21

Violations (5yr)

2

Health-Based

Location

Loading map...

Water Systems Serving This Area (2)

Nogales City Of

2 health-based
Groundwater 22,000 people served
18 violations (5yr) · 2 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Liberty Water Rio Rico

All resolved
Groundwater 17,960 people served
3 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

Contaminants Found

LEAD AND COPPER RULE REVISIONSHealth-Based
2 violations
Has active
Groundwater RuleHealth-Based
1 violation
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

4 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
3 violations
All resolved
TTHMMonitoring
3 violations
All resolved
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

2 violations
All resolved
Public NoticeMonitoring
2 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2022

How Does This Compare?

Nogales (85648) has more violations than 79% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 21.

Fewer violations 79th percentile More violations

Recommended Water Filters

Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.

Nearby ZIP Codes

Check Another ZIP Code