Clear Lake Nutrient TMDL

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Please contact Lori Webber at (916) 464-4745 or by email at lwebber@waterboards.ca.gov for more information on this TMDL.

• New ! The USEPA approved the Clear Lake Nutrient TMDL on 21 September 2007., 328 KB, PDF (PDF info)
• The State Water Boards has released a Notice of Opportunity for Public Comments on the Basin Plan Amendment, 42 KB, PDF (PDF info)
  The comment deadline is 19 March 2007 at 12 noon.
• Executive Officer Corrections. Minor corrections have been made to the Basin Plan Amendment and the Response to Comments on the Staff Report
  • Memo from the Executive Officer, 46 KB, PDF (PDF info)
  • Corrections to the Basin Plan Amendment, 32 KB, PDF (PDF info)
  • Corrections to the Response to Comments on the Staff Report, 16 KB, PDF (PDF info)
• Basin Plan Amendment for Control of Nutrients in Clear Lake Adopted by Regional Board on 23 June 2006
  • Final Resolution, 14 KB, PDF (PDF info)
  • Final Resolution Attachment 1, 31 KB, PDF (PDF info)
  • Final Staff Report, 491 KB, PDF (PDF info)
  • Final Response to Comments, 68 KB, PDF (PDF info)
• Late Revisions and comments received as of 8 June 2006.
  • Late revisions, 64 KB, PDF (PDF info)
    The late revisions include changes to the resolution and attachments to make them consistent with the State Board's Nonpoint Source Implementation and Enforcement Policy as well as some changes for clarity. They also include the responses to the comments received after release of the agenda.
  • Comment letter from the USEPA, 46 KB, PDF (PDF info)
  • Comment letter from County of Lake Public Works Department, 74 KB, PDF (PDF info)
  • Comment letter from the US Forest Service, 45 KB, PDF (PDF info)
  • Comment letter from Caltrans, 111 KB, PDF (PDF info)
• Regional Board Hearing on 22/23 June 2006
  • Announcement of Public Hearing, 14 KB, PDF (PDF info)
  • Draft Resolution, 70 KB, PDF (PDF info)
    This is the draft resolution that will be considered by the Board during the 22/23 June Board meeting. It includes the original Basin Plan Amendment language that is proposed in the staff report and alternative Basin Plan Amendment language developed in response to comments received.
  • Draft Staff Report (May Revision), 448 KB, PDF (PDF info)
    This version contains minor editing changes and modifications from the April version
  • Alternative Implementation Chapter, 82 KB, MS Word
    An alternative Implementation Chapter for the staff report to support the proposed alternative Basin Plan Amendment language.
  • Response to comments, 47 KB, MS Word
    Response to comments received prior to 24 May 2006.
  • Comment letter from Lake County Farm Bureau, 98 KB, PDF (PDF info)
  • Comment letter from County of Lake Public Works Department, 32 KB, PDF (PDF info)
• Regional Board Workshop on 4/5 May 2006
  • Announcement of Public Workshop, 21 KB, PDF (PDF info)
  • Presentation from Workshop, 341 KB, PDF (PDF info)
• Draft Staff Report - April 2006 Version, 502 KB, PDF (PDF info)
  This report contains background and staff recommendations for the proposed Basin Plan amendment. A Board workshop will be held on the proposed Basin Plan amendment on May 4/5. A Board Hearing will be held on June 23/24. Written responses will be prepared for comments recieved by June 7th (15 days before the Board Hearing). These comments will be incorporated into the administrative record. Please send comments to Lori Webber at lwebber@waterboards.ca.gov or 11020 Sun Center Drive #200, Rancho Cordova, CA 95670-6114.
  • Errata sheet for April 2006 version, 12 KB, PDF (PDF info)
• Public Workshop held in Lakeport on 25 January 2006
  • Minutes from the Public Workshop, 20 KB, PDF (PDF info)
  • Presentation from the Public Workshop, 673 KB, PDF (PDF info)
  • Notice of Public Workshop, 31 KB, PDF (PDF info)
• Draft Staff Report - Peer Review Version - Amendment To The Water Quality Control Plan for the Sacramento River and San Joaquin River Basins For The Control of Nutrients in Clear Lake, 488 KB, PDF (PDF info)
  Sent to the scientific peer reviewers in November 2005. Please note that Regional Board staff is not requesting public comments on this peer review draft. Once peer review comments are received, a public review draft will be prepared and comments will be requested. Regional Board staff is making the peer review draft available to give the public additional time to review the proposed Basin Plan amendments.
  • Peer review comments from Dr. Vladimr Novotny, 486 KB, PDF (PDF info)
    • Staff response to comments from Dr. Novotny, 194 KB, PDF (PDF info)
  • Peer review comments from Dr. Wayne Carmichael, 44 KB, PDF (PDF info)
    • Staff response to comments from Dr. Carmichael, 29 KB, PDF (PDF info)
• California Environmental Quality Act (CEQA) Scoping Meeting
  A meeting regarding the development of a basin plan amendment for the control of nutrients in the Clear Lake watershed was held at the Lake County Courthouse on 5 May 2005.
  • Minutes from the CEQA Scoping meeting, 24 KB, PDF (PDF info)
  • Presentation from the CEQA Scoping Meeting, 210 KB, PDF (PDF info)
  • Notice of CEQA Scoping Meeting, 36 KB, PDF (PDF info)
• Clear Lake Technical TMDL, 1.7 MB*, PDF (PDF info)
  This is a technical TMDL for nutrients in Clear Lake. It includes a proposed chlorophyll-a target and phosphorus load allocation for Clear Lake.

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--Web page updated 07/16/2008