<html> <head> <title>Rule 74:04:12:13 IOCs -- Waivers for monitoring.</title> <META NAME="Keywords" Content="Administrative Rules 74:04:12:13"> <META NAME="Description" Content="Administrative Rules 74:04:12:13 IOCs -- 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; 74:04:12:13.&nbsp;&nbsp;IOCs -- Waivers for monitoring.</span></b><span style='font-size:12.0pt'> A system may apply to the department for a waiver from the monitoring frequencies specified in 40 C.F.R. &#167;&nbsp;141.23 (July 1, 20</span><span style='font-size: 12.0pt'>18</span><span style='font-size:12.0pt'>) for any of the inorganic chemicals listed in 40 C.F.R. &#167;&#167;&nbsp;141.11 and 141.62 (July 1, 20</span><span style='font-size:12.0pt'>18</span><span style='font-size:12.0pt'>) except nitrate and nitrite. 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 system must take a minimum of one sample from each entry point while the waiver is in effect. The term during which the waiver is effective may not exceed the end of the current compliance cycle. The system must reapply for a waiver for each compliance cycle;</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;The department may grant a waiver if a surface water system has monitored annually for at least three years and a groundwater system has conducted a minimum of three rounds of monitoring with at least one sample having been collected since January 1, 1990. Both surface and groundwater systems must demonstrate that all previous analytical results were less than 90 percent of the MCLs as specified in 40 C.F.R. &#167;&#167;&nbsp;141.11 and 141.62 (July 1, 2009). A system that uses a new water source is not eligible for a waiver until three rounds of monitoring from the new source have been completed. The system must submit copies of these analytical results and a completed waiver application to the department;</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;The department shall consider the following in determining whether to 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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (a)&nbsp;&nbsp;Reported concentrations from all previous monitoring;</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 degree of variation in reported concentrations; 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; (c)&nbsp;&nbsp;Other factors which may affect contaminant concentrations such as changes in groundwater pumping rates, changes in the system's configuration, changes in the system's operating procedures, or changes in stream flows or characteristics; 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; (4)&nbsp;&nbsp;The decision by the department to grant a waiver must be in writing and shall establish the basis for the waiver determination. The determination may be initiated by the department or upon application by a public water system. 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>