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Scientific Investigations Report 2012–5068


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Prepared in cooperation with the Columbia River Inter-Tribal Fish Commission
and the Lower Columbia Estuary Partnership


Reconnaissance of Contaminants in Selected Wastewater-Treatment-Plant Effluent and Stormwater Runoff Entering the Columbia River, Columbia River Basin, Washington and Oregon, 2008–10


By Jennifer L. Morace


Tables

Table 1. Precipitation, population, age, and income information for cities where samples were collected, Columbia River Basin, Washington and Oregon.


Table 2. Descriptions of wastewater-treatment plants where samples were collected, Columbia River Basin, Washington and Oregon, 2008–09.


Table 3. Stormwater-runoff sampling locations in the Columbia River Basin, Washington and Oregon, 2009–10.


Table 4. Summary of sampling activities, Columbia River Basin, Washington and Oregon, 2008–10.


Table 5. Summary of quality-control (QC) analyses performed for this study, Columbia River Basin, Washington and Oregon, 2008–10.


Table 6. Summary of surrogate recoveries, Columbia River Basin, Washington and Oregon, 2008–10.


Table 7. Summary of detections in blank samples, Columbia River Basin, Washington and Oregon, 2008–10.


Table 8. Summary of relative percent differences for replicate samples, Columbia River Basin, Washington and Oregon, 2008–10.


Table 9. Anthropogenic organic compounds detected in unfiltered wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, 2008–09.


Table 10. Pharmaceuticals detected in filtered wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, 2008–09.


Table 11. Estrogenicity in wastewater-treatment-plant effluent samples, instantaneous loadings, and calculated concentrations in the Columbia River, Columbia River Basin, Washington and Oregon, December 2008.


Table 12. Physical properties and suspended-sediment results for wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, 2008–09.


Table 13. Halogenated compounds detected in solids filtered from wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, 2008–09.


Table 14. Currently used pesticides and degradates detected in filtered wastewater-treatment-plant effluent, Columbia River Basin, Washington and Oregon, December 2009.


Table 15. Mercury species in unfiltered wastewater-treatment-plant effluent and stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 16. Percentage of compounds detected in each wastewater-treatment plant sampled, Columbia River Basin, Washington and Oregon, 2008–09.


Table 17. Halogenated compounds detected in solids filtered from stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 18. Physical properties and suspended-sediment results for stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 19. Currently used pesticides and degradates detected in filtered stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 20. Concentrations exceeding freshwater-quality criteria for pesticides and polychlorinated biphenyls (PCBs) in stormwater runoff from the Willamette2 site, Columbia River Basin, Washington and Oregon, December 2009 and May 2010.


Table 21. Polycyclic aromatic hydrocarbons (PAHs) detected in unfiltered stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 22. Trace elements detected in stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 23. Concentrations exceeding freshwater-quality criteria for trace elements in stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 24. Oil and grease detected in stormwater runoff, Columbia River Basin, Washington and Oregon, 2009–10.


Table 25. Instantaneous loadings and calculated concentrations for diphenhydramine, trimethoprim, galaxolide, and nonylphenol compounds in the Columbia River, Columbia River Basin, Washington and Oregon, 2008–09.


Table 26. Oregon Senate Bill 737 priority persistent pollutants not detected in wastewater-treatment-plant (WWTP) effluent, Columbia River Basin, Washington and Oregon, 2008–09.


Table 27. Oregon Senate Bill 737 priority persistent pollutants detected in wastewater-treatment-plant (WWTP) effluent, Columbia River Basin, Washington and Oregon, 2008–09.


First posted April 25, 2012

For additional information contact:
Director, Oregon Water Science Center
U.S. Geological Survey
2130 SW 5th Avenue
Portland, Oregon 97201
http://or.water.usgs.gov

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