Agricultural Pesticide Use Estimates for Selected Watersheds of the Surface Water Trends Project, 1992-2014, National Water Quality Program
The U.S. Geological Survey (USGS) National Water Quality Program (NWQP) provides an understanding of water-quality conditions; whether conditions are getting better or worse over time; and how natural features and human activities affect those conditions. The Surface Water Trends (SWT) project of NWQP evaluates the …