Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

Find comprehensive services, data and information related to stormwater and non-point source pollution in King County, Washington.

To offer a suggestion or report an error on the King County stormwater services and information website, please contact Fred Bentler, webmaster.

Stormwater Services and Information for King County, Washington

Agricultural Drainage Assistance Program (ADAP

Have an agricultural ditch that needs maintenance? King County government sponsors a program called the Agricultural Drainage Assistance Program (ADAP). ADAP addresses concerns about adequate drainage of agriculture lands in King County and provides both technical and financial assistance to landowners who have agricultural ditches that need maintenance. ADAP works with farmers to preserve water quality and protect fish

ADAP is in transition. We are working to streamline the permit process and clarify the the standards farmers will have to meet when maintaining their drainage system. We will work with a number of farmers in 2010 as we proceed with the changes. If you are interested in participating

Read the letter to interested farmers.

poplar farm

For questions about the Agricultural Drainage Assistance Program or ADAP, please contact Brian Sleight, Supervising Engineer, King County Stormwater Services Section.