2i Rete Gas S.p.A. is in charge of managing water services in the following municipalities:
- Carate Urio (water main only)
As of 30/03/2019, service transferred to the company Como Acqua S.r.l., with Water Network Emergency Number 800.144.349 (toll-free number for emergency services from Italy) or +39 340 8745364.
- Riva Ligure (water main only)
- Santo Stefano al mare (water main only)