- Home
- About SRWP
- Explore the Watershed
- A Roadmap to Watershed Management
- Sacramento River Basin Report Card
- Cover and Acknowledgements
- Table of Contents
- List of Acronyms
- Executive Summary and Report Card
- 1.0 Introduction and Background
- 2.0 Indicator Selection
- 3.0 Indicator Generation, Evaluation, Aggregation
- 4.0 General Methods and Principles
- 5.0 Interpretation
- 6.0 Conclusions and Recommendations
- Appendix A: Glossary of Terms
- Appendix B: Indicator Selection Criteria
- SWIM Digital Atlas
- SWIM Digital Library
- Invasive Plants
- On-Line Regulatory Permitting Guide
- Rural Residential Development
- Mercury
- Events
- Our Work
- News
Invasive Plant Organizations

Organizations like State Parks that manage land are involved in invasive plant management.
Photo: Jim Dempsey, California State Parks
Many types of organizations play a role in invasive plant prevention and management. Organizations like those listed below provide the resources and infrastructure necessary for education, outreach, mapping, and on-the-ground weed removal projects.
Weed Management Areas
WMAs are key local entities addressing invasive plants, bringing together an array of stakeholders. There are 15 WMAs in the region, each profiled here.
Butte, Colusa, El Dorado, Glenn, Lake, Lassen, Napa, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Solano, Sutter, Tehama, Yolo, Yuba
County Agriculture Departments
County Ag Departments play a central role in local noxious weed control.
Butte, Colusa, El Dorado, Glenn, Lake, Lassen, Modoc, Napa, Nevada, Placer, Plumas, Sacramento, Shasta, Sierra, Siskiyou, Solano, Sutter, Tehama, Yolo, Yuba
Resource Conservation Districts
RCDs are another key local management entity that often addresses invasive plants.
Butte, Central Modoc, Colusa County , Dixon , East Lake, El Dorado County , Fall River , Feather River , Georgetown Divide , Glenn County, Nevada County, Pit , Placer County, Sierra Valley, Solano, Tehama County, West Lake , Western Shasta, Yolo County, Yuba County
State and Federal Agencies
Agenices have programs addressing aspects of invasive plant prevention and control in relation to their agency’s mission.
Non-Governmental Organizations
NGOs that deal with resource management are addressing the invasive plant issue as well.