Freedman, P., M. Ehrhart, and K. Hall. 2018. Water Resources Impact 20(5):14–16.
https://www.awra.org/impact/ (Not peer-reviewed)
Successful, large, basin-wide programs require considerable resources and participation from a wide range of government and private sources. Most regulatory programs focus on point-source pollution to address local or regional problems, whereas voluntary restoration and conservation programs usually address only very localized concerns. However, many problems are driven by diffuse sources and require a large scale, basin-wide approach. After decades of largely successful efforts to manage point sources, two distinct approaches have emerged for the Chesapeake Bay and Delaware River.