| ACOE | Army Corps of Engineers |
| ACT | 1862 Homestead Act |
| AFO | Animal Feeding Operation |
| BIA | Bureau of Indian Affairs |
| BLM | Bureau of Land Management |
| BMP | Best Management Practice |
| BPA | Bonneville Power Administration |
| CCC | Civilian Conservation Corps |
| CDC | Idaho Fish & Game Conservation Data Center |
| CRP | Conservation Reserve Program |
| DEQ | Idaho Department of Environmental Quality |
| District | Nez Perce Soil and Water Conservation District |
| EPA | Environmental Protection Agency |
| FSA | Farm Service Agency |
| GIS | Geographic Information System |
| GWMA | Groundwater Management Areas |
| HEL | Highly Erodible Land |
| IDFG | Idaho Department of Fish and Game |
| IDL | Idaho Department of Lands |
| IDWR | Idaho Department of Water Resources |
| IFPA | Idaho Forest Practices Act |
| LOID | Lewiston Orchards Irrigation District |
| MOU | Memorandum of Understanding |
| NHEL | Non-Highly Erodible Land |
| NPC | Nez Perce County Board of Commissioners |
| NPT | Nez Perce Tribe |
| NRCS | USDA - Natural Resources Conservation Service |
| RC&D | Resource Conservation and Development |
| SCC | Soil Conservation Commission |
| SHPO | State Historic Preservation Officer |
| USFWS | US Fish and Wildlife Service |
| VOC | Volatile Organic Chemicals |
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