Water and Sewer service charges are billed by the District on the first day of each month and are due by the last day of the month.  .  All monthly charges billed are the responsibility of the…

Water and Sewer charges are billed by the District monthly.  All water and sewer bills are the responsibility of the property owner and remain their responsibility until the District is notified of a…

The Mission of the Thermalito Water and Sewer District (TWSD) is to provide reliable, high quality water and sewer services while meeting customer demand, and to manage District resources in an open…