Agricultural drainage assistance

Resources for improving drainage on agricultural properties.

Resources

Agricultural drainage assistance program (ADAP)

Technical and financial support for keeping water flowing off of agricultural lands in unincorporated King County.

Waterway classifications

Information on how agricultural waterways are classified and waterway classification maps by Agricultural Protection District.

Waterway maintenance best management practices manual

Best practices to address common impacts to agricultural drainage.

Common impacts to agricultural drainage

Beaver dams

Culvert replacement

Reed canarygrass

Sediment deposition

Related Topics

Agriculture in King County

Information and resources about agriculture in King County.

Beavers

Information pertinent to beavers in King County.

Flood services

Services for residents to manage and reduce river flooding.

Fish passage restoration

Opening the best habitat to the most salmon as quickly as possible.

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