Puragain Water currently services the following cities for water filtration:
- Water Softeners and Water Filtration Alpine CA
- Water Filtration Bonita CA
- Water Filtration Bonsall CA
- Water Filtration Borrego Springs CA
- Water Filtration Boulevard CA
- Water Filtration Camp Pendleton CA
- Water Filtration Campo CA
- Water Filtration Cardiff By The Sea CA
- Water Filtration Carlsbad CA
- Water Filtration Chula Vista CA
- Water Filtration Coronado CA
- Water Filtration Del Mar CA
- Water Filtration Descanso CA
- Water Filtration Dulzura CA
- Water Filtration El Cajon CA
- Water Filtration Encinitas CA
- Water Filtration Escondido CA
- Water Filtration Fallbrook CA
- Water Filtration Guatay CA
- Water Filtration Imperial Beach CA
- Water Filtration Jacumba CA
- Water Filtration Jamul CA
- Water Filtration Julian CA
- Water Filtration La Jolla CA
- Water Filtration La Mesa CA
- Water Filtration Lake Elsinore CA
- Water Filtration Lakeside CA
- Water Filtration Lemon Grove CA
- Water Filtration Mount Laguna CA
- Water Filtration Murrieta CA
- Water Filtration National City CA
- Water Filtration Oceanside CA
- Water Filtration Pala CA
- Water Filtration Palomar Mountain CA
- Water Filtration Pauma Valley CA
- Water Filtration Pine Valley CA
- Water Filtration Potrero CA
- Water Filtration Poway CA
- Water Filtration Ramona CA
- Water Filtration Ranchita CA
- Water Filtration Rancho Santa Fe CA
- Water Filtration San Diego CA
- Water Filtration San Luis Rey CA
- Water Filtration San Marcos CA
- Water Filtration San Ysidro CA
- Water Filtration Santa Ysabel CA
- Water Filtration Santee CA
- Water Filtration Solana Beach CA
- Water Filtration Spring Valley CA
- Water Filtration Tecate CA
- Water Filtration Temecula CA
- Water Filtration Valley Center CA
- Water Filtration Vista CA
- Water Filtration Warner Springs CA