Water Treatment Service locations near Castro Valley, CA

Showing 1–6 of 6 results

Castro Valley, CA has 6 water treatment service listings across 6 ZIP codes. Details on this page were last refreshed Aug 2026.

Clear's Pool Service

Hot Tubs & Spas Service Repair & Parts

📍 Serving Your Area, Hayward, CA, 94541

📞 510-731-4742

Updated Aug 2026

East Bay Dischargers Authority

Environmental Services Water Treatment Services

📍 2651 Grant Ave, San Lorenzo, CA, 94580

📞 510-278-5910

🌐 ebda.org

East Bay Dischargers Authority is an environmental services provider located in San Lorenzo, California, specializing in water treatment services. The organization has a recent online presence as of 2026, indicating active engagement. Residents and businesses in the area can rely on their expertise in managing water treatment needs.