Water District #90 Publications Library
Stay current on Water Quality reports, newsletters and our annual report.
April 26, 2018KCWD90 Cross-Connection Control Program per WAC 246 290 490
April 24, 2018Reduced Pressure Backflow Assembly RPBA
April 15, 20192019 Backflow Testers
April 24, 20182018 Backflow FAQ
April 24, 20182018 Backflow Test Report
April 24, 2018Double Check Valve Assembly (DCVA)
371 kb • April 24, 2018
Do you have or need to have a backflow device? For most customers a DCVA (Double Check Valve Assembly) is exactly what you need. Specifications and details for DCVA installation can be found here.