Mafra
Yes. Tap water in Mafra is low risk. Safe to drink from the tap.
Is it safe?
99%
SMAS de Mafra
Low risk
Safe to drink from the tap
Safe-water score 99.93% in 2025. It was 100% in 2024.
Supplied by SMAS de Mafra.
About 90,611 people. 1,426 tests.
Source
ERSAR, Portugal’s water regulator (RASARP 2026).
Period covered: 2025.
Covers all 278 municipalities in mainland Portugal. The safe-water score is the share of required tests that were done and met the legal limits in 2025. 99% or above is rated low risk. Hardness is the typical level measured by the main supplier.
Common questions
Can I drink the tap water in Mafra, Grande Lisboa?
Yes. Tap water in Mafra is low risk. Safe to drink from the tap.
Where do these ratings come from?
ERSAR, Portugal’s water regulator (RASARP 2026). Period covered: 2025.