<html> <head> <title>Rule 74:04:12:16 VOCs -- Waivers for monitoring.</title> <META NAME="Keywords" Content="Administrative Rules 74:04:12:16"> <META NAME="Description" Content="Administrative Rules 74:04:12:16 VOCs -- Waivers for monitoring."> <meta http-equiv=Content-Type content="text/html; charset=windows-1252"> <meta name=Generator content="Microsoft Word 15 (filtered)"> <style> <!-- /* Font Definitions */ @font-face {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @font-face {font-family:Times; panose-1:2 2 6 3 5 4 5 2 3 4;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:10.0pt; font-family:"Times",serif;} a:link, span.MsoHyperlink {color:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {color:purple; text-decoration:underline;} .MsoChpDefault {font-size:10.0pt;} @page WordSection1 {size:8.5in 11.0in; margin:1.0in 1.0in 1.0in 1.0in;} div.WordSection1 {page:WordSection1;} --> </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=WordSection1> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 74:04:12:16.&nbsp;&nbsp;VOCs -- Waivers for monitoring.</span></b><span style='font-size:12.0pt'> A groundwater system that does not detect a contaminant specified in 40 C.F.R. &#167;&nbsp;141.62 (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>) in its initial monitoring as specified by 40 C.F.R. &#167;&nbsp;141.24(f)(4) (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>) may apply to the department for a waiver from the annual and triennial monitoring. A surface water system that does not detect a contaminant specified in 40 C.F.R. &#167;&nbsp;141.62 (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>) in its initial monitoring as specified by 40 C.F.R. &#167;&nbsp;141.24(f)(4) (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>) may apply to the department for a waiver from annual monitoring. Conditions for the granting of a waiver are as follows:</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (1)&nbsp;&nbsp;The waiver for groundwater systems expires at the end of the second compliance period after it is granted. The waiver for surface water systems expires at the end of the current compliance period. A groundwater system must reapply for a waiver after the expiration of the previous waiver. A surface water system must be reevaluated by the department after the expiration of the previous waiver;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (2)&nbsp;&nbsp;A groundwater system must monitor once at each entry point and update its vulnerability assessment considering the factors specified in subdivision (4) of this section while the waiver is in effect. Based on the vulnerability assessment, the department must determine whether to reconfirm that the system is not vulnerable to VOC contamination. If the department does not make this reconfirmation within three years after the initial determination, the waiver is invalidated and the system is required to sample annually as specified in 40 C.F.R. &#167;&nbsp;141.24(f)(5) (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>);</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (3)&nbsp;&nbsp;A surface water system must monitor once at each entry point while the waiver is in effect;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (4)&nbsp;&nbsp;The department may grant a waiver after evaluating the following:</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (a)&nbsp;&nbsp;Previous analytical results;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (b)&nbsp;&nbsp;The proximity of the system to a potential point or nonpoint source of contamination;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (c)&nbsp;&nbsp;The environmental persistence and transport of the contaminant;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (d)&nbsp;&nbsp;The protection of a groundwater source against contamination due to such factors as depth of well, soil type, and integrity of well casing. Surface water systems must consider watershed protection; and</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (e)&nbsp;&nbsp;The number of persons served by the water system and proximity of a smaller system to a larger system.</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A groundwater system must submit written evidence that it complies with the criteria in subdivision (4) of this section and a completed waiver application to the department. If any of the information required by subdivision (4) of this section is unknown or indicates that contamination is likely to occur, the department may not grant the waiver.</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The decision by the department to grant a waiver must be in writing and must establish the basis for the waiver determination. The determination may be initiated by the department or upon application by a public water system. </span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;</span></p> <p class=MsoNormal style='text-align:justify'><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The public water system must specify the basis for its waiver request. The department shall review and may revise its determination of the appropriate monitoring frequency if the system submits new monitoring data or if other data relevant to the system's appropriate monitoring frequency become available.</span></p> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;</span></b></p> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Source:</span></b><span style='font-size:12.0pt'> 31 SDR 21, effective August 24, 2004; 36 SDR 111, effective January 11, 2010</span><span style='font-size:12.0pt;font-family: "Times New Roman",serif'>; 45 SDR 159, effective July 1, 2019</span><span style='font-size:12.0pt'>.</span></p> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; General Authority:</span></b><span style='font-size:12.0pt'> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-3A-3">34A-3A-3.</A></span></p> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Law Implemented:</span></b><span style='font-size:12.0pt'> SDCL <A HREF="/statutes/DisplayStatute.aspx?Type=Statute&Statute=34A-3A-3">34A-3A-3(2).</A></span></p> <p class=MsoNormal style='text-align:justify'><b><span style='font-size:12.0pt'>&nbsp;</span></b></p> </div> </body> </html>