Is the tap water in MAYAGUEZ, PR safe to drink?

MAYAGUEZ's tap water receives a grade of A (97/100) from TapWaterSafety.org. No major concerns are flagged in current data. Grades are based on EPA SDWIS, EPA ECHO, EWG Tap Water Database, and the utility's published Consumer Confidence Report.

What contaminants are in MAYAGUEZ tap water?

Public data sources identify the following contaminants in MAYAGUEZ's water supply: . Levels and comparison to EWG health guidelines are listed on the full city page.

Which water utility serves MAYAGUEZ?

MAYAGUEZ is served by MAYAGUEZ. MAYAGUEZ serves approximately 151,555 residents.

Tap Water Quality Report

Tap water quality in MAYAGUEZ, PR

Served by MAYAGUEZ. 151,555 residents.

Average score 97/100

Utilities 1

Population 151,555

97/100

Excellent

ⓘ How did we get this rating?

Quick answer

Tap water in MAYAGUEZ, PR receives a grade of A (97/100) from TapWaterSafety.org. It's served by MAYAGUEZ. Data sources: EPA SDWIS, EPA ECHO, EWG Tap Water Database.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?

EPA compliance record

Official U.S. EPA records for MAYAGUEZ (system ID PR0003283) for the last 3 years. Checked 2026-10-07.

No EPA violations in the last 3 years.

0 of 12quarters with a violation

Nolead above EPA action level

07/31/2024last state inspection

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

Recommended filters for MAYAGUEZ

Filters matched to the specific contaminants in MAYAGUEZ's water supply.

Carbon block filter certified to NSF/ANSI 42 + 53

$180-$599

A certified carbon block filter handles most baseline water quality concerns.

Aquasana AQ-5300 Under-Sink Filter

$180-$240 NSF 42, 53, 401, 372

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AquaTru Countertop Reverse Osmosis

$449-$599 NSF 42, 53, 58, 401, 372

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Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.

Treatment plant contact info

For service issues, water quality concerns, or to request a Consumer Confidence Report from MAYAGUEZ.

General Contact

AddressCARR. 108 KM. 2 HM. 8, MAYAGUEZ, PR 00680

Main phone787-620-2277

Treatment Plant

FacilityLAVADERO 2

ZIP codes served

MAYAGUEZ's public water systems serve the following ZIP codes: