Chesapeake Bay Nontidal Network: 2019-2023 Orthophosphate Average 5-year Per-Acre Load

This map displays the average 5-year per acre loads, also known as yields, of orthophosphate, also known as total inorganic nitrogen, across the Chesapeake Bay Watershed from 2019 to 2023. 

Learn more about Chesapeake Bay Water-Quality Loads and Trends and the USGS Nontidal Network.