Landscape attribute classification criteria.
|Landscape attribute||Classification metrics||Criteria|
|Stream size||Drainage area (km2)||<100||100–3000||>3000|
|Small streams||Large streams/small rivers||Large rivers|
|Stream quality||Anthropogenic pressure from land use, roads, and railroads (%)||No urban areas, no agricultural areas, no roads, and no railroads within 30 m buffer||0–5% urban areas or 0–40% agricultural areas or summed roads or railroads less than half the length of stream within 30 m buffer||>5% urban areas or >40% agricuIturaI areas or summed roads or railroads ≥ half the length of stream within 30 m buffer|
|Water quality||Total , total , suspended sediment||Stream segment is above EPA criteria thresholds for all three pollutants||Stream segment is below EPA criteria threshold for any of the three pollutants|
|Suitable water quality||Degraded water quality|