The Customer Service Team at Monterey One Water — previously MRWPCA: Monterey Regional Water Pollution Control Agency — is responsible for maintaining 55,000 customer accounts, billing for sewage treatment and disposal, and issuing sewer capacity permits for new construction. Customer Service ensures billing equity for all of its residential, commercial, industrial and military users..
7:30 a.m. to 5:30 p.m. Monday through Thursday
7:30 a.m. to 5:00 p.m. Fridays
5 Harris Court, Bldg D
Monterey, CA 93940
Manage your account online using our secure portal.