Customer Notice – December 2025
Olympic Water and Sewer, Inc. (OWSI) is implementing a surcharge for Wastewater Treatment Plant (WWTP) Phase 1 improvements to restore the plant’s hydraulic capacity. The surc [...]
Olympic Water and Sewer, Inc. (OWSI) is implementing a surcharge for Wastewater Treatment Plant (WWTP) Phase 1 improvements to restore the plant’s hydraulic capacity. The surc [...]