City of Portland Bureau of Environmental Services. July 1999. Public Facilities Plan.

City of Portland Bureau of Environmental Services. 2002. Northwest Neighborhoods Combined Sewer Relief Predesign TM 3.1 Basin Characterization.

City of Portland Bureau of Environmental Services. 2002. Willamette Watershed Planning Status Report.

City of Portland Bureau of Environmental Services . 2002. Technical Memorandum 3.3 Pipe Rehabilitation Recommendations Beech/Oak/Essex Predesign.

City of Portland Bureau of Environmental Services . 2002. Predesign Report – Sullivan, Stark & Holladay Basins Sewer Relief & Reconstruction.

City of Portland Bureau of Environmental Services. 1993. CSO Management Plan Characterization Report.

City of Portland Bureau of Environmental Services. 2001. Update to Portland’s CSO Management Plan.

Bureau of Environmental Services (BES). December 1994. Final Facilities Plan: Combined Sewer Overflow Facilities Plan. Portland CSO Program, City of Portland, OR.