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<br />. <br /> <br />..... <br />00 <br />o <br />j,-!. <br /> <br />. (4) "330 lAC 2-3, Water Quality Standards for Wolf Lake", <br /> <br />effective August 21, 1973; and <br /> <br />(5) "330 lAC 2-4, Water Quality Standards for Natural <br /> <br />Spawning Areas, Rearing or Imprinting Areas and Migration Routes <br /> <br />of Salmonid Fishes", effective February 11, 1972. <br /> <br />Adopted or <br />AllIended by State <br /> <br />Approved by EPA <br /> <br />February 17, 1977 <br /> <br />October 31, 1980 <br /> <br />IOWA <br /> <br />State water quality standards for the surface waters of the <br /> <br />'State of Iowa are contained in the document entitled "Water <br /> <br />Quality Standards", 1974. State adoption and Federal approval <br /> <br />dates are: <br /> <br />Adopted or <br />Amended by State <br /> <br />\ <br />Approved by EPA <br /> <br />, <br /> <br />September 29, 1977 <br /> <br />January 20, 1978 <br /> <br />January 25, 1979 <br />August 27, 1980 <br /> <br />August 7, 1978 <br />February 23, 1979 <br /> <br />February 26, 1981 <br /> <br />15 <br /> <br />