Dynegy South Bay, LLC, South Bay Power Plant NPDES Permit (updated 9/27/2010)

Draft NPDES Permit for South Bay Power Plant
 The State Water Resources Control Board (State Water Board) will accept written comments on the Draft National Pollutant Discharge Elimination System (NPDES) Permit for the South Bay Power Plant (SBPP). A Public Hearing has been scheduled for November 17, 2010 in San Diego, California.

California Independent System Operator Corporation (CAISO) Petition

The California Independent System Operator Corporation (CAISO) filed a petition dated June 11, 2010, with the State Water Resources Control Board (State Board) regarding South Bay Power Plant.  The petition is asking for review of Order No. R9-2010-0062 which was adopted by the California Regional Water Quality Control Board, San Diego Region (San Diego Water Board).  Order No. R9-2010-0062 determined that no changes are warranted to South Bay Power Plant’s NPDES Permit thereby requiring the power plant discharge to terminate on or before December 31, 2010. 

Petition of the California Independent System Operator Corporation for Review of Order No. R9-2010-0062 of the California Regional Water Quality Control Board for the San Diego Region dated June 11, 2010

State Board Letter Acknowledging Receipt of the Petition dated June 17, 2010

NDPES Permit Renewal Application dated June 14, 2010


May 12, 2010 Public Hearing

Adopted Order

Order No. R9-2010-0062, An Order Determining No Changes Are Warranted To Order No. R9-2004-0154 NPDES Permit No. CA0001368, Waste Discharge Requirements For Dynegy South Bay, LLC (Formerly Owned By Duke Energy South Bay, LLC), South Bay Power Plant San Diego County

Staff Report, Dynegy South Bay, LLC, South Bay Power Plant, Evaluation of Intake and Wastewater Discharge Effects on San Diego Bay and Consideration of Termination of Discharge Dated May 12, 2010

Transmittal Letter Dated May 18, 2010

The California Regional Water Quality Control Board, San Diego Region (San Diego Water Board) is scheduling a public hearing on May 12, 2010 to receive testimony, technical evidence, and supporting documentation regarding the South Bay Power Plant operations. The public hearing notice is posted below. Dynegy South Bay, LLC, No More South Bay Power Plant Coalition, California Independent System Operator Corporation (CAISO), and the City of Chula Vista are designated parties. The San Diego Water Board will strictly enforce the deadlines and other procedures on written and electronic submissions and exhibits provided in the hearing notice so please review it carefully. The Board may consider adoption of the staff recommendation in Tentative Order No. R9-2010-0062 (posted below), which finds there is insufficient evidence to support early termination of Dynegy’s NPDES permit authorizing discharges from Units 1 and 2 or, based on its review of the record and the hearing, may consider adoption of the Tentative Order with revisions supporting earlier termination. The San Diego Water Board’s evaluation of whether to modify or terminate South Bay Power Plant’s NPDES Order is contained in the “STAFF REPORT, Dynegy South Bay, LLC, South Bay Power Plant, Evaluation of Intake and Wastewater Discharge Effects on San Diego Bay and Consideration of Termination of Discharge” dated March 22, 2010 (posted below).

  • Public Hearing Notice and Procedures
  • Tentative Order No. R9-2010-0062; An Order Terminating Order No. R9-2004-0154, NPDES No. CA0001368, Waste Discharge Requirements For Dynegy South Bay, LLC (Formerly Owned By Duke Energy South Bay, LLC), South Bay Power Plant, San Diego County
  • STAFF REPORT, Dynegy South Bay, LLC, South Bay Power Plant, Evaluation of Intake and Wastewater Discharge Effects on San Diego Bay and Consideration of Termination of Discharge dated March 22, 2010
  • Transmittal Letter Dated March 22, 2010

Comments on Tentative Order No. R9-2010-0062 (Due By Noon on April 21, 2010)

Dynegy South Bay, LLC submissions on April 20, 2010

No More Power Plant Coalition submission on April 21, 2010

California Independent System Operator Corporation submission on April 21, 2010

City of Chula Vista submission on April 21, 2010

Delegation of Political Representatives submission on April 20, 2010


March 10, 2010 Public Hearing - Rescheduled

The San Diego Regional Water Quality Control Board (Regional Water Board) is scheduling a public hearing on March 10, 2010 to receive testimony, technical evidence, and supporting documentation regarding the South Bay Power Plant operations. The public hearing notice is listed below. Dynegy South Bay, LLC and No More South Bay Power Plant Coalition are identified as designated parties in the hearing notice. The Regional Water Board will strictly enforce the deadlines and other procedures on written and electronic submissions and exhibits provided in the hearing notice so please review it carefully.

Designated Party Submittals (due by 4:00 p.m. on February 22, 2010)

Dynegy South Bay, LLC submissions on February 22, 2010

No More Power Plant submissions on February 22, 2010

California Independent System Operator Corporation submission on February 22, 2010

City of Chula Vista submission on February 22, 2010

Interested Person Submittals (due by 4:00 p.m. on February 24, 2010)

City of Coronado Resolution dated January 19, 2010

National Oceanic and Atmospheric Administration letter dated February 18, 2010

Designated Party Rebuttal Comments

Dynegy South Bay, LLC submissions on March 3, 2010

No More Power Plant Coalition submissions on March 3, 2010

California Independent System Operator Corporation submission on March 3, 2010

City of Chula Vista submission on March 3, 2010

Public Hearing – Ratification of Executive Officer Action Making Minor Modifications to Order No. R9-2004-0154, NPDES No. CA0001368, Waste Discharge Requirements for Duke Energy South Bay, LLC, South Bay Power Plant, San Diego County (Tentative Order No. R9-2009-0178).