- Berks Nature
- Delaware Riverkeeper
- Natural Lands Trust
- Nature Conservancy
- National Register of Historic Places
- PA Department of Conservation and Natural Resources
- Pennsylvania Department of Enviromental Protection
- Pennsylvania Organization for Watersheds and Rivers
- Pennsylvania State Data Access
- Penn State Cooperative Extension
- Pine Creek Valley Watershed Association
- Schuylkill River Greenway Association
- Perkiomen Watershed Conservancy
- U.S. Department of Agriculture
- Environmental Protection Agency
- U.S. Fish and Wildlife Service
- U.S. Geologic Survey
