Table 1.
Partial list of state, federal, and nongovernmental organizations with responsibility for western water policy
| Federal agencies |
| Departments of: |
| Interior |
| Commerce |
| Energy |
| Agriculture |
| Defense |
| Environmental Protection Agency |
| Bureau of Reclamation |
| Fish and Wildlife Service |
| National Park Service |
| US Geological Survey |
| National Weather Service |
| National Oceanic and Atmospheric Administration |
| National Marine Fisheries Service |
| Forest Service |
| Natural Resources Conservation Service |
| Army Corps of Engineers |
| National Institutes of Health |
| National Science Foundation |
| White House Office of Science, Technology, Policy |
| NASA |
| Food and Drug Administration |
| Federal Energy Regulatory Commission |
| Congressional committees |
| Energy and Commerce |
| Natural Resources |
| Science |
| Agriculture |
| Armed Services |
| Regional/state entities |
| State climatologists |
| State water agencies |
| Water resources research institutes |
| Western States Water Council |
| Western Governors Association |
| Nonprofits, educational, community groups |
| Universities: The Consortium of Universities for the Advancement of Hydrologic Science |
| Watershed councils |
| Environmental advocacy groups (Environmental Defense Fund, Natural Resources Defense Council, Sierra Club) |
| Research and policy institutes (Pacific Institute, Sonoran Institute, Natural Heritage) |
| Land, water, and wildlife conservancies (Nature Conservancy, Trust for Public Land, Oregon Freshwater Trust, Trout Unlimited, Ducks Unlimited) |
| Water agencies and associations |
| Association of Metropolitan Water Agencies |
| Water Utility Climate Alliance |
| American Water Works Association |
| Water Environment Federation |
| National Association of Water Companies |
| National Association of Clean Water Agencies |
| National Groundwater Association |
| National Rural Water Association |