Initial input well data for logistic regression for a study of groundwater vulnerability to elevated nitrates in the Puget Sound Basin, Washington, 2000–19

This archive contains the well input data for the logistic regression model for the five-year categories 2000-2004, 2005-2009, 2010-2014, and 2015-2019. Data were collected either at the well location or computed within a buffer area of the well location, as specified in the parameter definition.