Notice of Annual Backflow Assembly Test Report Due
Dear Homeowner, It is time for the annual testing of your backflow assemblies. Olympic Water and Sewer Inc. (OWSI) is required by Washington Administrative Code (WAC 246-290 [...]
Notice of Annual Backflow Assembly Test Report Due
It is time for the annual testing of your backflow assemblies. Olympic Water and Sewer Inc. (OWSI) is required by Washington Administrative Code (WAC 246-290-490) to ensure t [...]
