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Basin Plan Information
Water Quality Control Plan for the Lahontan Region (Basin Plan)
The chapters and appendices of the Basin Plan are available below (a file of the entire Basin Plan is too large to reasonably download). Paper copies are available for a charge from the Regional Board offices.
- Preface, Table of Contents, and Chapter 1 Introduction
- Chapter 2 – Present And Potential Beneficial Uses
- Chapter 3 – Water Quality Objectives
- Chapter 4 – Implementation
- Chapter 5 – Water Quality Standards And Control Measures For The Lake Tahoe Basin
- Chapter 6 – Plans And Policies
- Chapter 7 – Monitoring And Assessment
- Bibliography
- Appendix A – List Of Preparers
- Appendix B – State Board Policies
- Appendix B – Regional Board Policies
- Appendix C – Regional Board Guidelines for Implementation of Criteria for Individual Waste Disposal Systems
- Appendix D – Chapter 15 information
- Appendix E – pHc Values for Adjusted Sodium Absorption (SAR) Ratios
- Index
- Plates 1A, 1B, 2A, and 2B – Surface Water Hydrologic Units and Groundwater Basins
- Note: The plates are outdated and will be revised as part of a statewide update of all Basin Plan maps. More current maps from other sources can be accessed through the following links:
- Department of Water Resources Groundwater Basin Maps (Bulletin 118)
- Resources Agency Watershed Browser
Search for a watershed name, or click on the map of North Lahontan or South Lahontan Basin and then on a watershed name to obtain progressively more detailed maps of watershed boundaries.
- Department of Water Resources Groundwater Basin Maps (Bulletin 118)
- Note: The plates are outdated and will be revised as part of a statewide update of all Basin Plan maps. More current maps from other sources can be accessed through the following links:
Five Basin Plan amendments that have not been incorporated into the sections above are available:
- Clarification of Waste Discharge Prohibitions (Regionwide) adopted by the Water Board in April 2006, received final approval May 18, 2007. These amendments clarified the application of prohibitions to stormwater. Contact: Bud Amorfini.
- Squaw Creek Sediment TMDL, adopted by the Water Board in April 2006. Contact: Anne Holden
- Revised Sodium-Related Standards for the Carson and Walker River Watersheds, adopted by the Water Board in October 2006. Contact: Judith Unsicker
- Revised Standards for Surface Waters of the Antelope Hydrologic Unit, adopted by the Water Board in November 2007. Contact Judith Unsicker
- Truckee River Sediment TMDL, adopted by the Water Board in May 2008. Contact Anne Holden