Municipalities served

Affile (aqueduct, sewerage and waste water treatment)
Agosta (aqueduct, sewerage and waste water treatment)
Albano Laziale (aqueduct, sewerage and waste water treatment)
Allumiere (aqueduct, sewerage and waste water treatment)
Anguillara Sabazia (aqueduct, sewerage and waste water treatment)
Anticoli Corrado (aqueduct, sewerage and waste water treatment)
Arcinazzo Romano (aqueduct, sewerage and waste water treatment)
Ariccia (aqueduct, sewerage and waste water treatment)
Arsoli (aqueduct, waste water treatment)
Artena (aqueduct, sewerage and waste water treatment)

Bellegra (aqueduct, sewerage and waste water treatment)
Bracciano (aqueduct, sewerage and waste water treatment)

Canale Monterano (aqueduct, sewerage)
Canterano (aqueduct and waste water treatment)
Capena (aqueduct)
Capranica Prenestina (aqueduct,  sewerage and aste water treatment)
Carpineto Romano (aqueduct,  sewerage and waste water treatment)
Casape (aqueduct,  sewerage and waste water treatment)
Castel Gandolfo (aqueduct,  sewerage and waste water treatment)
Castel Madama (aqueduct,  sewerage and waste water treatment)
Castel San Pietro Romano (aqueduct,  sewerage and waste water treatment)
Castelnuovo di Porto (aqueduct,  sewerage and waste water treatment)
Cave (aqueduct,  sewerage and waste water treatment)
Cerreto Laziale (aqueduct, sewerage)
Cervara di Roma (aqueduct, sewerage and  waste water treatment)
Cerveteri (aqueduct, sewerage and  waste water treatment)
Ciampino (aqueduct, sewerage and waste water treatment)
Ciciliano (aqueduct and sewerage)
Civitavecchia (aqueduct) 
Civitella Sal Paolo (aqueduct, sewerage and waste water treatment)
Colleferro (aqueduct)
Colonna (aqueduct, sewerage and waste water treatment)

Fiano Romano (aqueduct, sewerage and waste water treatment)
Filacciano (aqueduct, sewerage and waste water treatment)
Fiumicino (aqueduct, sewerage and waste water treatment)
Fonte Nuova (aqueduct, sewerage and waste water treatment)
Formello (aqueduct, sewerage and waste water treatment)
Frascati (aqueduct, sewerage and waste water treatment)

Gallicano nel Lazio (aqueduct, sewerage and waste water treatment)
Gavignano (aqueduct, sewerage and waste water treatment)
Genazzano (aqueduct, sewerage and waste water treatment)
Genzano di Roma (aqueduct, sewerage and waste water treatment)
Gerano (aqueduct)
Gorga (aqueduct, sewerage and waste water treatment)
Grottaferrata (aqueduct, sewerage and waste water treatment)
Guidonia Montecelio (aqueduct, sewerage and waste water treatment)

Jenne (aqueduct, sewerage and waste water treatment)

Labico (aqueduct, sewerage)
Ladispoli (aqueduct, sewerage)
Lanuvio (aqueduct, sewerage and waste water treatment)
Lariano (aqueduct, sewerage and waste water treatment)
Licenza (aqueduct, sewerage)

Manziana (aqueduct, sewerage and waste water treatment)
Marano Equo (aqueduct, sewerage and waste water treatment)
Marcellina (aqueduct, sewerage and waste water treatment)
Marino (aqueduct, sewerage and waste water treatment)
Mentana (aqueduct, sewerage and waste water treatment)
Monte Compatri (aqueduct, sewerage and waste water treatment)
Monte Porzio Catone (aqueduct, sewerage and waste water treatment)
Montelanico (aqueduct, sewerage and waste water treatment)
Monterotondo (aqueduct, sewerage and waste water treatment)
Morlupo (aqueduct)

Nazzano (aqueduct, sewerage and waste water treatment)
Nemi (aqueduct, sewerage and waste water treatment)

Olevano Romano (aqueduct, sewerage and waste water treatment)
Oriolo Romano (aqueduct, sewerage and waste water treatment)

Palestrina (aqueduct, sewerage and waste water treatment)
Percile (aqueduct)
Pisoniano (aqueduct, sewerage and waste water treatment)
Poli (aqueduct, sewerage and waste water treatment)
Pomezia (aqueduct, sewerage and waste water treatment)
Ponzano Romano (aqueduct, sewerage and waste water treatment)

Riano (aqueduct, sewerage and waste water treatment)
Rignano Flaminio (aqueduct)
Rocca Canterano (aqueduct,  sewerage and waste water treatment)
Rocca di Cave (aqueduct, sewerage and waste water treatment)
Rocca di Papa (aqueduct, sewerage and waste water treatment)
Rocca Priora (aqueduct, sewerage and waste water treatment)
Rocca Santo Stefano (aqueduct, sewerage and waste water treatment)
Roiate (aqueduct, sewerage and waste water treatment)
Roma (aqueduct, sewerage and waste water treatment)
Roviano (aqueduct, sewerage and waste water treatment)

Sacrofano (aqueduct, sewerage and waste water treatment)
Sambuci (aqueduct, sewerage and waste water treatment)
San Cesareo (aqueduct, sewerage and waste water treatment)
San Gregorio da Sassola (aqueduct, sewerage and waste water treatment)
San Polo dei Cavalieri (aqueduct, sewerage and waste water treatment)
San Vito Romano (aqueduct, sewerage and waste water treatment)
Santa Marinella (aqueduct, sewerage and waste water treatment)
Sant’angelo Romano  (aqueduct, sewerage and waste water treatment)
Sant' Oreste (aqueduct, sewerage and waste water treatment)
Saracinesco (aqueduct, sewerage and waste water treatment)
Segni (aqueduct, sewerage and waste water treatment)
Subiaco (aqueduct, sewerage and waste water treatment)

Tivoli (aqueduct, sewerage and waste water treatment)
Tolfa (aqueduct, sewerage and waste water treatment)
Torrita Tiberina (aqueduct, sewerage and waste water treatment)
Trevi nel Lazio (aqueduct, sewerage and waste water treatment)
Trevignano Romano (aqueduct, sewerage and waste water treatment)

Valmontone (aqueduct, sewerage)
Vejano (aqueduct, sewerage and waste water treatment)
Velletri (aqueduct, sewerage and waste water treatment)
Vicovaro (aqueduct, sewerage and waste water treatment)

Zagarolo (aqueduct, sewerage and waste water treatment)