Viseu
Yes. Tap water in Viseu is low risk. Safe to drink from the tap.
Is it safe?
100%
SMAS de Viseu
Low risk
Safe to drink from the tap
Safe-water score 100% in 2025. It was 100% in 2024.
Supplied by SMAS de Viseu.
About 99,550 people. 1,973 tests.
Hardness: Soft (1.7 °f).
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 Viseu, Centro?
Yes. Tap water in Viseu 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.