Online Payments & Payment Locations

Pay by Phone, Online, or in Person

Besides mailing your payment, there are three ways to pay your bill with Monterey One Water — previously MRWPCA: Monterey Regional Water Pollution Control Agency.

Charge your bank account or your credit card. (A small convenience fee applies when using these services.)

To pay by phone, call (866) 514-6814.

To pay online, visit our secure AFTS payment processing portal.

Pay your M1W bill by phone or online

Payment Locations:


Monterey One Water Administrative Offices, 5 Harris Court, Bldg. D


Mal's Market, 1264 Noche Buena St

We're Here to Help

7:30 a.m. to 5:30 p.m., Monday through Friday

(831) 372-3367 or (831) 422-1001

Manage your account online using our secure portal.

Customer Account Log In

Administrative Offices