<html><head></head><body><div style="color:#000; background-color:#fff; font-family:Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:13px"><div id="yui_3_16_0_ym19_1_1494214433981_2994"><span></span></div><div class="qtdSeparateBR" id="yui_3_16_0_ym19_1_1494214433981_2995" dir="ltr"><br>If by "at-grade septic system" you mean one that utilises a built-up mound of graded filter media sand on top of the existing grade, onto which the stone ballast and weeping tiles are placed, then "Yes" they are approved for use in Ontario. I've built using them. "Raised filter media septic bed system".</div><div class="yahoo_quoted" id="yui_3_16_0_ym19_1_1494214433981_3009" style="display: block;"> <div style="font-family: Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 13px;" id="yui_3_16_0_ym19_1_1494214433981_3008"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_ym19_1_1494214433981_3007"> <div dir="ltr" id="yui_3_16_0_ym19_1_1494214433981_3006"> <font size="2" face="Arial" id="yui_3_16_0_ym19_1_1494214433981_3015"> <hr size="1" id="yui_3_16_0_ym19_1_1494214433981_3014"> <b id="yui_3_16_0_ym19_1_1494214433981_3068"><span style="font-weight:bold;" id="yui_3_16_0_ym19_1_1494214433981_3067">From:</span></b> Lynelle Hamilton <lynelle@lahamilton.com><br> <b><span style="font-weight: bold;">To:</span></b> Green Building <greenbuilding@lists.bioenergylists.org> <br> <b><span style="font-weight: bold;">Sent:</span></b> Saturday, May 6, 2017 9:36 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> [Greenbuilding] At Grade Septic System In Ontario<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_ym19_1_1494214433981_3046"><br><div id="yiv6063816576">
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<div id="yui_3_16_0_ym19_1_1494214433981_3047"><font face="Arial">Hi All, <br>
</font></div>
<div id="yui_3_16_0_ym19_1_1494214433981_3050"><font face="Arial" id="yui_3_16_0_ym19_1_1494214433981_3049">Does anyone know if an at grade septic system
is approved for use in Ontario? I understand that they are approved
in other provinces, but can find nothing about approval or
progress toward approval here. I have property with a high water
table that appears to be the ideal setup for such a system, if
legit. I've talked to the local septic designers here but no one
seems to know anything.</font></div>
<div id="yui_3_16_0_ym19_1_1494214433981_3051"><font face="Arial" id="yui_3_16_0_ym19_1_1494214433981_3400">Many thanks!</font></div>
<div id="yui_3_16_0_ym19_1_1494214433981_3052"><font face="Arial">Lynelle</font><br>
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