Nielson, L., Smith, C. 2005. Influences on Residential Yard Care and Water Quality: Tualatin Watershed, Oregon. Journal of the American Water Resources Association. American Water Resources Association, Middleburg, VA. Volume 41, Number 1. Pages 93-106

fertilizer, Management, TMDL, watershed, Lawns

The Tualatin is the first watershed in Oregon to implement the Total Maximum Daily Load provisions of the Clean Water Act to deal with nonpoint source pollution. Local officials cite residential yard care practices as potential contributors to nonpoint source pollution in the basin.