La Colonia
Yes. Tap water in La Colonia is low risk. Safe to drink from the tap.
Is it safe?
AySAM
Low risk
Safe to drink from the tap
100% of bacteria tests in the network passed (0 of 11 samples failed).
Reports cover January, April, June, July, August and October 2025.
Supplied by AySAM, from monthly bacteria reports to Mendoza’s regulator (EPAS).
This system is not on the map yet.
Source
AySAM monthly reports to EPAS (Mendoza) and ERAS benchmarking report 2023 (AySA).
Period covered: 2023 to 2025.
Argentina has no national water-test database. These pages include only places whose water company or regulator publishes results. Mendoza towns use AySAM’s monthly bacteria reports for six months of 2025. Buenos Aires uses ERAS figures for AySA’s whole service area, which are not published district by district.
Common questions
Can I drink the tap water in La Colonia, Mendoza?
Yes. Tap water in La Colonia is low risk. Safe to drink from the tap.
Where do these ratings come from?
AySAM monthly reports to EPAS (Mendoza) and ERAS benchmarking report 2023 (AySA). Period covered: 2023 to 2025.