<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <title>Rule 74:51:01:34 Antidegradation of waters of the state.</title> <META NAME="Keywords" Content="Administrative Rules 74:51:01:34"> <META NAME="Description" Content="Administrative Rules 74:51:01:34 Antidegradation of waters of the state."> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=ProgId content=Word.Document> <meta name=Generator content="Microsoft Word 10"> <meta name=Originator content="Microsoft Word 10"> <link rel=File-List href="7451010003400d_files/filelist.xml"> <!--[if gte mso 9]><xml> <o:DocumentProperties> <o:Author>lrpr14296</o:Author> <o:LastAuthor>lrpr14296</o:LastAuthor> <o:Revision>2</o:Revision> <o:TotalTime>0</o:TotalTime> <o:Created>2009-05-27T15:21:00Z</o:Created> <o:LastSaved>2009-05-27T15:21:00Z</o:LastSaved> <o:Pages>1</o:Pages> <o:Words>258</o:Words> <o:Characters>1472</o:Characters> <o:Company>State of South Dakota</o:Company> <o:Lines>12</o:Lines> <o:Paragraphs>3</o:Paragraphs> <o:CharactersWithSpaces>1727</o:CharactersWithSpaces> <o:Version>10.6845</o:Version> </o:DocumentProperties> <o:OfficeDocumentSettings> <o:DoNotRelyOnCSS/> </o:OfficeDocumentSettings> </xml><![endif]--><!--[if gte mso 9]><xml> <w:WordDocument> <w:GrammarState>Clean</w:GrammarState> <w:DisplayHorizontalDrawingGridEvery>0</w:DisplayHorizontalDrawingGridEvery> <w:DisplayVerticalDrawingGridEvery>0</w:DisplayVerticalDrawingGridEvery> <w:UseMarginsForDrawingGridOrigin/> <w:Compatibility> <w:FootnoteLayoutLikeWW8/> <w:ShapeLayoutLikeWW8/> <w:AlignTablesRowByRow/> <w:ForgetLastTabAlignment/> <w:LayoutRawTableWidth/> <w:LayoutTableRowsApart/> <w:UseWord97LineBreakingRules/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> </w:WordDocument> </xml><![endif]--> <style> <!-- /* Font Definitions */ @font-face {font-family:Times; 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font-family:"Times New Roman";} </style> <![endif]--><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1026"/> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1"/> </o:shapelayout></xml><![endif]--> </head> <body lang=EN-US style='tab-interval:.5in'> <div class=Section1> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'><span style='font-weight:bold;mso-bidi-font-weight: normal'>74:51:01:34.<span class=GramE>&nbsp;&nbsp;Antidegradation</span> of waters of the state.</span></b> The antidegradation policy for this state is as follows:<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(1)&nbsp;&nbsp;The existing beneficial uses of surface waters of the state and the level of water quality that is assigned by designated beneficial uses shall be maintained and protected;<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(2)&nbsp;&nbsp;Surface waters of the state in which the existing water quality is better than the minimum levels prescribed by the designated beneficial use shall be maintained and protected at that higher quality level;<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(3)&nbsp;&nbsp;The board, or secretary, may allow a lowering of the water quality to levels established under the designated beneficial use if it is necessary in order to accommodate important economic or social development in the area in which the waters are located;<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(4)&nbsp;&nbsp;Surface waters of the state which do not meet the levels of water quality assigned to the designated beneficial use shall be improved as feasible to meet those levels;<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(5)&nbsp;&nbsp;No further reduction of water quality may be allowed for surface waters of the state that do not meet the water quality levels assigned to their designated beneficial uses as a result of natural causes or conditions, and all new discharges must meet applicable water quality standards; and<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>(6)&nbsp;&nbsp;The secretary shall assure that regulatory requirements are achieved for all new and existing point sources and that nonpoint sources are controlled through cost effective and reasonable best management practices.<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'><span style='font-weight:bold;mso-bidi-font-weight: normal'>Source:</span></b> 14 SDR 86, effective December 24, 1987; 19 SDR 111, effective January 31, 1993; transferred from &#167;&nbsp;74:03:02:49, July 1, 1996; 24 SDR 10, effective July 20, 1997.<o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'><span style='font-weight:bold;mso-bidi-font-weight: normal'>General Authority:</span></b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-11">34A-2-11</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-93">34A-2-93.</A><o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><span style='mso-tab-count:1'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span><b style='mso-bidi-font-weight:normal'><span style='font-weight:bold;mso-bidi-font-weight: normal'>Law Implemented:</span></b> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-22">34A-2-22</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-24">34A-2-24</A>, <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-2-26">34A-2-26.</A><o:p></o:p></span></font></p> <p class=MsoNormal style='text-align:justify;tab-stops:.4in .6in .9in 1.1in 1.4in 1.6in 1.9in 2.1in 2.4in 2.6in 2.9in 3.1in 3.4in 3.6in 3.9in 4.1in'><font size=3 face="Times New Roman"><span style='font-size:12.0pt;mso-bidi-font-size: 10.0pt;font-family:"Times New Roman"'><o:p>&nbsp;</o:p></span></font></p> </div> </body> </html>