The Mid Coast Basin

Positive actions are being undertaken and accomplished to improve water quality in the Alsea, Siletz and Siuslaw rivers and area tributaries. We appreciate your interest and involvement. Together we can work towards a better river environment for everyone.

Alsea Subbasin Siletz-Yaquina Subbasin Siltcoos Subbasin Siuslaw Subbasin Clear Lake Basin Contact Information

DEQ is currently partnering with many groups in the Mid Coast basin to gather data and develop TMDLs for the basin. More information is available at Mid Coast Basin Water Quality Web site.

Alsea Subbasin

  TMDL Initiated (Initial scoping and data collection phase)

Siletz-Yaquina Subbasin

  TMDL Initiated (Initial scoping and data collection phase)

Siltcoos Subbasin

  TMDL Initiated (Initial scoping and data collection phase)

Siuslaw Subbasin

  TMDL Initiated (Initial scoping and data collection phase)

Clear Lake

TMDL approved by the US Environmental Protection Agency (EPA) on March 16, 1992

• Total Maximum Daily Load (TMDL) PDF

Contact Information

• Mid Coast Basin Coordinator: David Waltz  e-mail  541-687-7345  Eugene 



• DEQ Western Region Office Information
• Basin Coordinator List PDF

[print version]