| University of Maryland | |
| PLM Ecological Component | Pax Watershed |
| Economic Component | Pax Counties |
| River Estuary Ecosystem | Pax River |
| River Box Model | Pax River |
| US EPA Chesapeake Bay Program | |
| Airshed (RADM) | Eastern US |
| Watershed (HSPF) | Bay Watershed |
| Land Use (AGCHEM) | Bay Watershed |
| River Model | Bay |
| Hydraulic Model | Bay Watershed |
| Estuary | |
| 3-D Hydrodynamic | Bay |
| Water Quality | Bay |
| SAV and Living Resources | Bay |
| COmplexity And STressors in Estuarine Systems (COASTES) | |
| Watershed Model | Pax Watershed |
| River Water Quality | Pax River |
| Integrative Ecological Models | Pax Estuary |
| Individual-Based Fish Models | Pax Estuary |
| Smithsonian Environmental Research Center | |
| Suite of Models | Piedmont & C. Plain sites |
| Maryland Office of Planning | |
| Watershed Planning System | Pax Watershed |
| Maryland Department of the Environment | |
| Watershed (HSPF) | Pax Watershed |
| Estuarine Model (WASP) | Pax River |
| Cost-Effectiveness (CPLEX) | Pax Watershed |
| Hydrodynamic | Pax River |