Published by Environmental Protection Agency
Focused Delivery Flow Paths are the areas of converging runoff that results in an increasing accumulation of flow. It is important to consider the available source of phosphorus in these contributing areas when deciding whether to target measures (check the underlying PIP-CSA rank). The red flow paths have the highest surface runoff. Where these cross High PIP areas, expect higher P losses.
This map was created from outputs from the EPA DiffuseTools Research Project.
| License | Creative Commons Attribution 4.0 |
| Created | 2021-04-21 |
| Last Updated | 2025-10-22 |