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snippet: Polygon file displaying Highly Vulnerable Aquifers (HVA). These areas are more susceptible to contamination moving from the surface into the groundwater. In general, a Highly Vulnerable Aquifer (HVA) will consist of granular aquifer materials or fractured rock that has a high permeability and is near the surface of the ground. A HVA will have a groundwater vulnerability score of 6.
summary: Polygon file displaying Highly Vulnerable Aquifers (HVA). These areas are more susceptible to contamination moving from the surface into the groundwater. In general, a Highly Vulnerable Aquifer (HVA) will consist of granular aquifer materials or fractured rock that has a high permeability and is near the surface of the ground. A HVA will have a groundwater vulnerability score of 6.
accessInformation: TRCA, CVC, CLOCA
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description: <DIV STYLE="text-align:Left;"><DIV><DIV><P STYLE="margin:0 0 0 0;"><SPAN><SPAN>Entity Name: </SPAN></SPAN><SPAN STYLE="font-weight:bold;"><SPAN>SWP Highly Vulnerable Aquifer</SPAN></SPAN></P><P STYLE="font-weight:bold;margin:4 0 4 0;"><SPAN><SPAN>Table Name: </SPAN></SPAN><SPAN><SPAN>SWP_HIGHLY_VULNERABLE_AQUIFR_FT</SPAN></SPAN></P><P STYLE="margin:0 0 4 0;"><SPAN>An underground water supply, or aquifer, that can easily be contaminated because overlaying soil layers are thin or permeable.</SPAN></P><TABLE><TBODY><TR><TD><P STYLE="text-align:Center;font-style:italic;font-weight:bold;margin:0 0 4 0;"><SPAN><SPAN>#</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-style:italic;font-weight:bold;margin:0 0 4 0;"><SPAN><SPAN>ATTRIBUTE/COLUMN NAME</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-style:italic;font-weight:bold;margin:0 0 4 0;"><SPAN><SPAN>DATATYPE</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-style:italic;font-weight:bold;margin:0 0 4 0;"><SPAN><SPAN>REQ</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;font-style:italic;font-weight:bold;margin:0 0 4 0;"><SPAN><SPAN>DESCRIPTION</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="text-align:Center;"><SPAN><SPAN>1</SPAN></SPAN></P></TD><TD><P><SPAN><SPAN>OGF ID</SPAN></SPAN></P><P><SPAN><SPAN>OBJECTID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>NUMBER(13)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>Yes</SPAN></SPAN></P></TD><TD><P STYLE="margin:4 0 4 0;"><SPAN><SPAN>A unique numeric provincial identifier assigned to each object.</SPAN></SPAN></P></TD></TR><TR><TD><P STYLE="text-align:Center;"><SPAN><SPAN>2</SPAN></SPAN></P></TD><TD><P><SPAN><SPAN>Source Protection Area ID</SPAN></SPAN></P><P><SPAN><SPAN>SPA_ID</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>NUMBER(2)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>Yes</SPAN></SPAN></P></TD><TD><P STYLE="margin:4 0 4 0;"><SPAN>Identifier for the source protection area that provided the original data about the feature. </SPAN></P></TD></TR><TR><TD><P STYLE="text-align:Center;"><SPAN><SPAN>3</SPAN></SPAN></P></TD><TD><P><SPAN><SPAN>Vulnerability Score</SPAN></SPAN></P><P><SPAN><SPAN>VULNERABILITY_SCORE</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>NUMBER(1)</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>Yes</SPAN></SPAN></P></TD><TD><P STYLE="margin:4 0 4 0;"><SPAN><SPAN>The vulnerability score assigned to an aquifer. The vulnerability score value is always 6 for a highly vulnerable aquifer (HVA).</SPAN></SPAN></P></TD></TR><TR><TD><P /></TD><TD><P /></TD><TD><P /></TD><TD><P /></TD><TD><P /></TD></TR><TR><TD><P STYLE="text-align:Center;"><SPAN><SPAN>5</SPAN></SPAN></P></TD><TD><P><SPAN><SPAN>SHAPE</SPAN></SPAN></P><P><SPAN><SPAN>SHAPE</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>SDO_GEOMETRY</SPAN></SPAN></P></TD><TD><P STYLE="text-align:Center;margin:4 0 4 0;"><SPAN><SPAN>Yes</SPAN></SPAN></P></TD><TD><P STYLE="margin:4 0 4 0;"><SPAN><SPAN>Geometry attribute.</SPAN></SPAN></P></TD></TR></TBODY></TABLE></DIV></DIV></DIV>
licenseInfo:
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title: Highly Vulnerable Aquifers (HVA)
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tags: ["Source Water Protection","highly vulnerable aquifer","HVA","surface water","groundwater","intrinsic vulnerability","CTC","SWP"]
culture: en-CA
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minScale: 150000000
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