The Environmental Protection Commission amended Iowa Admin. Code ch. 61, Water Quality Standards. The amendment will provide water quality certification pursuant to CWA §401 for Regional Permit 27 and the reissued Regional Permits 33 and 34. Changes take effect February 16, 2011. http://www.legis.state.ia.us/aspx/ACODOCS/DOCS/01-12-2011.Bulletin.pdf pp. 1037-39.