Antidegradation

Antidegradation refers to federal regulations designed to maintain and protect high quality waters and existing water quality in other waters from unnecessary pollution.

Antidegradation Background and Additional References:
Introduction to Antidegradation  
Iowa Antidegradation Implementation Procedure (2-17-10) 
List of Scenarios
Frequently Asked Questions
EPA Interim Economic Guidance for Water Quality Standards

 

Antidegradation Forms and Information:

 


Example Alternative Analyses and Financial Worksheets:


Other Forms and Information:

 

Questions? Contact:
Larry Bryant at larry.bryant@dnr.iowa.gov or 515-725-8426

 

Outstanding Iowa Waters

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