Water Quality in Mayaguez, PR (00677)

EPA violation data for public water systems serving ZIP code 00677.

Past Health-Based Violations

3 health-based violations were found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 45 monitoring/reporting violations.

More violations than 90% of US ZIP codes.

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

15,483

Population

5

Water Systems

48

Violations (5yr)

3

Health-Based

Location

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Water Systems Serving This Area (5)

Mayaguez

1 health-based
Surface water 151,555 people served
31 violations (5yr) · 1 health-based · All resolved

Aguadilla

1 health-based
Surface water 123,885 people served
16 violations (5yr) · 1 health-based · All resolved

Las Marias

1 health-based
Surface water 7,166 people served
1 violation (5yr) · 1 health-based · All resolved

Puentes I Y Ii

Groundwater 2,840 people served
0 violations

Calvache

Groundwater 676 people served
0 violations

Contaminants Found

Interim Enhanced Surface Water Treatment RuleHealth-Based
2 violations
All resolved
Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

1 violation
All resolved
BariumMonitoring
2 violations
All resolved
CadmiumMonitoring
2 violations
All resolved
Beryllium, TotalMonitoring
2 violations
All resolved
CYANIDEMonitoring
2 violations
All resolved
ArsenicMonitoring

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

2 violations
All resolved
Thallium, TotalMonitoring
2 violations
All resolved
Antimony, TotalMonitoring
2 violations
All resolved
MercuryMonitoring
2 violations
All resolved
ChromiumMonitoring
2 violations
All resolved
SeleniumMonitoring
2 violations
All resolved
NitrateMonitoring

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

2 violations
All resolved

How Does This Compare?

Mayaguez (00677) has more violations than 90% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 48.

Fewer violations 90th 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.

UV Water Purifier

Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.

Targets:E. coli, Coliform, Giardia, Cryptosporidium

Look for:NSF/ANSI 55 (Class A) 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.

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