Clean Water Act303(d) List

• Section 303(d) of the CWA requires TNRCC to develop a list of water bodies in Texas that do not meet established standards

• The 303(d) list is based upon the 305(b) assessment and is done on a two year cycle

  • Texas: 2000 list is available at
    http://www.tnrcc.state.tx.us/water/quality/00_303d.html
  • The 2002 draft list will be available April, 2002
  • Thus, the list is now in process is opened for comment
    

• The water bodies are referred to as "impaired waters"

• The state must take appropriate action to improve impaired water bodies, such as the development of a total maximum daily load

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