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California Water Service Earns G480 Platinum Certification for Water-Use Efficiency, Conservation Program

$CWTPress releaseJun 1, 2026, 4:15 PM ETRead the release

California Water Service (CWT) has earned Platinum Certification under the G480-25 standard from the Alliance for Water Efficiency. The certification recognizes the company’s water conservation and efficiency program as meeting 100% of compliance requirements, making Cal Water the first utility to achieve this status under the newly updated standard.

Key figures

People served
2100000
Employee count
1200
Service connections
500000

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