[The following list and links will be curated and updated as appropriate in 2025]
Alliance for the Chesapeake Bay
American Rivers
Arro Consulting, Inc.
Chesapeake Bay Foundation
Donegal Trout Unlimited
Elizabethtown Area Water Authority
Harbor Engineering
Lancaster Civil
Lancaster Clean Water Partners
Lancaster Conservancy
Lancaster County Conservation District
Lancaster County Planning Commission
Lancaster Farmland Trust
Lancaster County Clean Water Consortium
LandStudies, Inc.
Manheim Area Water and Sewage Authority
Manheim Central High School FFA
PA Department of Environmental Protection
PA Landscape and Nursery Association
Penn State Agriculture and Environment Center
Penn State SE Agricultural Research and Extension Center
Penn State Extension
Red Barn
Rettew Associates
Susquehanna River Basin Commission
Stroud Water Research Center
Team Ag, Inc.
U.S. Environmental Protection Agency
U.S. Fish and Wildlife Service