Lake Tahoe TMDL Program

Quick Links

• TMDL Development  |  TMDL Implementation  |  Outreach and Education

Announcements

• USEPA approves the Lake Tahoe TMDL at the Environmental Summit on August 16, 2011 (posted 8/22/11)
• Response to Public Comments submitted to the California State Water Board concerning the adoption of the Lake Tahoe TMDL now available for viewing (posted 4/14/11)
• Notice of Opportunity to comment to State Board concerning Lake Tahoe TMDL (posted 2/16/11)
• Lahontan Water Board adopts Lake Tahoe TMDL on November 16, 2010 (posted 1/19/11)
• The Lake Tahoe TMDL Proposed Basin Plan Amendment (posted 10/14/10)
• The Nevada Tahoe Conservation District Outreach Video: “Best Management Practices: Defensible Space for the Homeowner” is now available for viewing (posted 9/16/10)
• The UC Davis “Tahoe: State of the Lake Report 2010” is now available (posted 9/1/10)
• Lake Tahoe Watershed Model and Lake Clarity Model (posted 11/5/09)
• Peer Review Comments are available for public viewing
• Sign up for email notification on announcements for the Lake Tahoe TMDL Program

TMDL Development

Available Documents

Lake Tahoe Total Maximum Daily Load Report (November 2010 - minor adjustments made to October 2010 version consistent with Basin Plan Amendment adopted by Lahontan Water Board on November 16, 2010)

• Archived Documents

Basin Plan Amendment Process

Basin Plan Amendment and Resolution adopted by the State Water Resources Control on April 19, 2011

• Archived Documents

Peer Review

Lake Tahoe Watershed Model and Lake Clarity Model

TMDL GIS Land-use Layer is available as a zip file for public distribution. This land-use layer was developed for Lake Tahoe TMDL modeling purposes.
Note: see either text or excel file LUCodeKey in the zip file to relate land-use grid codes to land-use names.

TMDL Implementation

Lake Clarity Crediting Program

• Lake Clarity Crediting Program Handbook Version 1.0 (September 2011)
• Lake Clarity Crediting Program Handbook - Implementer Version (September 2009)
  ZIP file for implementing agency partners that includes the Handbook, an example file structure for organizing program documents, and fillable forms. Please review the README FIRST document for details.
• September 2009 Lake Clarity Crediting Program Presentations
  • Overview and California Regulatory Context
  • Crediting Program Handbook Introduction
• March 2009 Lake Clarity Crediting Program Presentations
  • TMDL and LCCP Overview
  • LCCP Program Introduction

Pollutant Load Reduction Model

• Complete model information, including instructions on how to install and use the Pollutant Load Reduction Model, can be found on the Tahoe Integrated Information Management System Website.

Best Management Practices Maintenance Rapid Assessment Methodology (BMP RAM)

• BMP RAM Technical Document - Background information describing how the tool works and the rationale for tool development choices
• BMP RAM User Manual - Specific protocols to create a Treatment BMP Inventory, conduct field observations, and interact with the database
• Custom BMP RAM Database to manage necessary data and calculate BMP RAM Scores. Microsoft Access 2007 is required. Database users should be familiar with both the Technical Document and User Manual instructions to properly navigate the database

Roadway Rapid Assessment Methodology (Road RAM)

• Please visit the Nevada Division of Environmental Protection website for additional details.  Two documents are available for download - a Technical Document describing the rationale and science behind tool development and a User Manual that defines specific Road RAM protocols.

Lake Tahoe Municipal NPDES Permit

Nevada Division of Environmental Protection Website

Outreach and Education

Lake Tahoe Charting the Course to Clarity hosted on Vimeo.

Charting the Course to Clarity 2008-2009

Presentations

Newsletters

Lake Tahoe TMDL Symposium - December 9-10, 2004

Pathway 2007 Planning Process

( Updated 11/23/11 )