Skip Links

USGS - science for a changing world

Scientific Investigations Report 2012–5068


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


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


[Station names are shown in tables 2 and 3. Constituents analyzed, reporting limits, and method parameters are presented in appendix A]


City or 
short name Date Time Suspended sediment Anthro-pogenic organic compounds in unfiltered water
(table A2)
Pharma-ceuticals in filtered water
(table A3)
Halogenated compounds on solids filtered from samples
(table A1)
Currently used pesticides in filtered water
(table A4)
Mercury 
and methyl-mercury in unfiltered water Polycyclic aromatic hydrocarbons in unfiltered water
(table A5)
Trace elements in unfiltered and filtered water
(table A6)
Oil and grease in unfiltered water
Wastewater-treatment-plant effluent samples
2008 visit to initial seven cities
Wenatchee 12-02-08 1010 X X X X
Richland 12-04-08 0900 X X X X
Umatilla 12-03-08 0840 X X X X
The Dalles 12-05-08 0830 X X X X
Hood River 12-10-08 0950 X X X X
Portland (a.m.) 12-09-08 0900 X X X X
(noon) 12-09-08 1150 X X X X
(p.m.) 12-09-08 1500 X X X X
Vancouver 12-08-08 0940 X X X X
2009 revisit and additional cities
Wenatchee 12-01-09 0850 X X X X X X
Richland 12-02-09 0820   X X
Umatilla 12-02-09 0950   X X
The Dalles 12-02-09 1200   X X
Hood River 12-02-09 1310   X X
Portland 12-10-09 0840   X X
Vancouver 12-02-09 1510   X X
St. Helens 12-03-09 0900 X X X X X X
Longview 12-08-09 0810 X X X X X X
Stormwater-runoff samples
2009 and 2010 storms
Wenatchee 12-21-09 1340 X   X X X X X X
Richland 05-02-09 1200 X   X X   X X X
Umatilla 10-04-09 0920 X   X X   X X X
The Dalles 02-23-09 1210 X   X X   X X X
Hood River 02-23-09 1310 X   X X   X X X
Portland1 10-14-09 1100 X   X X   X X X
Portland2 10-26-09 1210 X   X X   X X X
Vancouver1 12-16-09 1340 X   X X X X X X
Vancouver2 12-16-09 1210 X   X X X X X X
Willamette1 06-04-10 0840 X   X X X X X X
Willamette2–Dec 12-15-09 1330 X   X X X X X X
Willamette2–May 05-26-10 1310 X   X X X X X X
Willamette3 12-15-09 1310 X   X X X X X X
Willamette4 05-26-10 1410 X   X X X X X X
St. Helens 03-30-10 1310 X   X X X X X X
Longview 03-30-10 1410 X   X X X X X X

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

Part or all of this report is presented in Portable Document Format (PDF); the latest version of Adobe Reader or similar software is required to view it. Download the latest version of Adobe Reader, free of charge.

Accessibility FOIA Privacy Policies and Notices

USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: https://pubs.usgs.gov/sir/2012/5068/table4.html
Page Contact Information: Contact USGS
Page Last Modified: Thursday, January 10, 2013, 07:51:12 PM