USGS Scientific Investigations Report 2009–5178Evaluation of Passive Samplers for Long-Term Monitoring of Organic Compounds in the Untreated Drinking Water Supply for the City of Eugene, Oregon, September

Table 1. Land use in the Cedar Creek and Camp Creek subbasins and the McKenzie River basin, Oregon, 2008.

[Data sources: drainage area, Lane Council of Governments, written commun., 2009. Land use, 30-m 2001 National Land Cover Data, http://www.epa.gov/mrlc/nlcd-2001.html, accessed February 3, 2009]

Basin	Drainage area (mi²)	Land use as a percentage of total subbasin area
Basin	Drainage area (mi²)	Forest	Agriculture	Shrub and open grassland	Wetlands and open water	Urban
Cedar Creek subbasin	10.3	63	18	4.6	2.9	15
Camp Creek subbasin	26.2	61	18	20	0.01	2
McKenzie River basin	1,276	79	3.8	15	0.83	1.5

Evaluation of Passive Samplers for Long-Term Monitoring of Organic Compounds in the Untreated Drinking Water Supply for the City of Eugene, Oregon, September–October 2007