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Pay Your Bill

The District provides a variety of payment options for your convenience: automatic payment options, online bill pay, pay by mail and drop-off at our office.

Pay By Phone

Thermalito Water and Sewer District is now offering additional payment options for customers interested in using their credit card to pay their utility bill.

PSN is a third party automated payment service that accepts Visa, MasterCard, Discover and Electronic Checking.

  • Call 1-866-917-7368 to pay over the phone, or
  • Click the link below to view your account balance, make a one-time payment or set up automated payments

When using this service you will need your Account Number located on your bill, your credit card or your checking account and routing numbers. PSN will charge a convenience fee for processing your payment.  The fee schedule is:

  • A $1.00 fee is charged for checking/savings payments
  • 2.75% (+50¢ if payment is less than $100) is applied to credit/debit card payments

Once payment is made we will receive an instant notification of your payment which will be posted to your account the next business day.


If you need assistance with paying online, call PSN at 866-917-7368.  If you have questions on the amount of your bill or need service, call TWSD at 530-533-0740.

Pay By Mail and 24 Hour Drop Box

Payments may be mailed or hand delivered to the District office at:

Thermalito Water and Sewer District
410 Grand Avenue
Oroville, CA  95965

The District provides a 24-hour payment drop-box located at the District office; located to the left of the front office door.