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Cooling Water Intake Structures

Brief description of the federal cooling water intake structure rule and implementation activities.

Section 316(b) of the Clean Water Act requires EPA to issue regulations on the design and operation of intake structures, in order to minimize adverse environmental impacts. The goal is to reduce impingement mortality and entrainment of fish and shellfish at cooling water intake structures (CWISs) used by certain power generation and manufacturing facilities for the withdrawal of cooling water from waters of the United States (WOTUS). EPA published a final regulation to establish Section 316(b) requirements for Phase II (existing) facilities on August 15, 2014 (Final Rule).

New InformationHot Topic Upcoming 316(b) Stakeholder Meeting

TCEQ has scheduled a stakeholder meeting to discuss and obtain feedback on TCEQ draft webpage language for implementing Section 316(b) of the Clean Water Act and future revisions to application worksheets. The meeting is scheduled for Thursday, November 3, 2016 at the TCEQ offices in Austin, Texas in Building F, Room 2210, beginning at 1:30 PM.

New InformationIf you would like to request or suggest specific questions or topics for the November 3rd Agenda or would like to be added to the 316(b) notification list please contact Shannon Gibson at

Persons interested in attending the meeting via conference call please email in order to be added to the attendee list.

Participant Dialing Instructions:

  • 1. Dial the Access Number: 1-877-820-7831 (International Callers: 1-720-279-0026)
  • 2. Enter Participants Pass code: 379619#
  • 3. Please press the MUTE button to prevent background noise.

   Please do not put your phones on HOLD during the meeting.


316(b) Stakeholder Meetings

DateNotificationAgendaHandouts (PDF)Handouts (PPT)Organization
November 03, 2016 NotificationAdobe Acrobat PDF Document Agenda Adobe Acrobat PDF Document TCEQ
April 14, 2016 Notification Adobe Acrobat PDF Document AgendaAdobe Acrobat PDF Document Worksheet 11.0Adobe Acrobat PDF Document
Worksheet 11.1Adobe Acrobat PDF Document
Worksheet 11.2Adobe Acrobat PDF Document
September 10, 2015 NotificationAdobe Acrobat PDF Document AgendaAdobe Acrobat PDF Document CWIS PresentationTechnical Meeting 2015 TCEQ