ARCHIVE SITE - Last updated Jan. 19, 2017. Please visit www.NACWA.org for the latest NACWA information.


Issues

Preparation of Integrated Water Quality Monitoring and Assessment Reports Recommendations for Clean Water Act §303(d) and §305(b) Methodologies and Reporting

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Under current federal rules, States must submit their Clean Water Act §303(d) lists of impaired waters, as well as the methodologies used to prepare them, by October 1, 2002. On November 19, 2001, the U.S. Environmental Protection Agency issued a guidance document (called the "EPA Listing Guidance"), which recommends that States combine the §303(d) list with the required §305(b) report into one Integrated Water Quality Monitoring and Assessment Report (or "Integrated Report').

The EPA Listing Guidance, however, is very general, and does not specifically address a number of details that States will face when revising their listing methodologies and developing their 2002 and subsequent Integrated Reports. AMSA worked with the Federal Water Quality Coalition and the American Farm Bureau Federation to develop this document to address some of those details and to provide sound, science-based recommendations for States to use during the listing process. The recommendations are grouped into the following categories of issues:

  • Pre-Listing Evaluation of Water Quality Standards
  • Collection of Data and Information
  • Evaluation of Existing Data and Information
  • Development of Integrated Reports
  • Delisting Procedures

Each category includes a discussion of the requirements of the current federal rules and the EPA Listing Guidance, and recommendations on how States can best implement the requirements in a scientifically sound, legally defensible manner. Where States have already addressed some of these issues, examples from those State rules and methodologies are also included.


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