Water Quality Report · Updated May 12, 2026
MAYAGUEZ
MAYAGUEZ delivers tap water graded A (97/100) by TapWaterSafety.org. The utility serves approximately 151,555 residents in MAYAGUEZ, PR using surface water. For questions, the utility can be reached at 787-620-2277.
Is MAYAGUEZ tap water safe to drink?
MAYAGUEZ delivers tap water that earns a grade of A (97/100) from TapWaterSafety.org — an excellent rating reflecting minimal contamination and full compliance with health guidelines.
The utility serves 151,555 residents in MAYAGUEZ and 1 other community, drawing from surface water.
Detected contaminants are below EWG's health-based guidelines. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for MAYAGUEZ residents
Contact MAYAGUEZ
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for MAYAGUEZ
Filters matched to the specific contaminants in this water supply.
Quality carbon block filter (NSF/ANSI 42 + 53)
$80-$240A general-purpose carbon block filter handles most baseline water quality concerns.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 97/100 breaks down across five weighted components. Read the full methodology →
MAYAGUEZ service area
This water system serves 2 communities in Mayaguez Municipio County, PR. Click any city for its dedicated tap water quality page.
Find the right filter for MAYAGUEZ water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.