The following are helpful internet resources with additional information about Integrated Regional Water Management (IRWM) planning, local, regional, and federal agencies and organizations. 

Agencies/Areas in the Upper Santa Margarita Watershed (USMW) IRWM Region

• County of Riverside
• Riverside County Flood Control and Water Conservation District
• Eastern Muncipal Water District
• Western Municipal Water District
• Elsinore Valley Municipal Water District
• Elsinore Murrieta Anza Resource Conservation District
• Anza Groundwater Association
• The High Country Conservancy
• City of Murrieta
• City of Temecula
• City of Wildomar
• Cahuilla Band of Indians
• Ramona Band of Cahuilla Indians
• Pechanga Band of Luiseno Indians
• Emerson Oaks Reserve
• Santa Rosa Plateau Ecological Area

Tri-County Funding Area Coordinating Committee Regions

• San Diego IRWM Region
• South Orange IRWM Region

Regional Agencies/Links

• Metropolitan Water District of Southern California
• Mission Resource Conservation District
• Riverside County Farm Bureau
• Riverside Land Conservancy
• San Diego Regional Water Quality Control Board
• SAWPA One Water One Watershed IRWM Region
• Southern California Wetlands Recovery Project
• Upper Santa Margarita Irrigated Lands Group
• Western Riverside County Multiple Species Habitat Conservation Plan

California State Agencies

• Department of Water Resources, IRWM Grant Program
• Department of Fish and Wildlife, Inland Deserts Region (6)

Federal Agencies/Organizations

• U.S Department of Agriculture, Natural Resources Conservation Service
• U.S. Department of Fish and Wildlife Service, Pacific Southwest Region
• U.S. Department of the Interior, Bureau of Land Management
• U.S. Department of the Interior, Bureau of Reclamation, Southern CA Area Office
• U.S. Department of the Interior, Bureau of Indian Affairs
• U.S. Forest Service, Cleveland National Forest
• U.S. Marine Corps of Engineers
• U.S. Enviornmental Protection Agency
• The Nature Conservancy
• Trout Unlimited