EPA BIOSOLIDS/SLUDGE -- State Program Permit Status
The sludge biosolids approved in the NPDES Permits can not be disposed of in a part
503 surface disposal site.
http://cfpub.epa.gov/npdes/statestats.cfm
National Pollutant Discharge Elimination System (NPDES)
State Program Status
Approved Biosolids (Sludge) Program
Arizona 04/01/04
Ohio 03/16/05
Oklahoma 11/19/96
South Dakota 10/22/01
Texas 09/14/98
Utah 06/14/96
Wisconsin 07/28/00