Estimated nitrogen from septic for the conterminous United States, 2010 (SepN_CONUS_bg_2010)
This metadata record documents a rudimentary estimate of nitrogen from septic for the conterminous United States for 2010, derived from block-group 1990 and 2010 Decennial Census of Population and Housing data. Specifically, the data were computed from 1990 population and housing data where a ratio of the total …