20240121
23561100
1.0
FALSE
SWP_SIGNIF_GW_RECHARGE_AREA_FT
002
563414.699900
690241.796700
4815554.332300
4880960.000100
1
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_UTM_Zone_17N
<ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/3.2.0'><WKT>PROJCS["NAD_1983_UTM_Zone_17N",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-81.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",26917]]</WKT><XOrigin>-5120900</XOrigin><YOrigin>-9998100</YOrigin><XYScale>450445547.3910538</XYScale><ZOrigin>0</ZOrigin><ZScale>1</ZScale><MOrigin>0</MOrigin><MScale>1</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>26917</WKID><LatestWKID>26917</LatestWKID></ProjectedCoordinateSystem>
20240429
15020800
20240429
15020800
150000000
5000
ItemDescription
Esri ArcGIS 13.2.2.49743
Significant Groundwater Recharge Area (SGRA)
1
-80.215723
-78.624885
44.079070
43.468719
Polygon file displaying significant groundwater recharge areas (SGRA).
SGRAs have permeable soils such as sand or gravel that allow the water to soak easily into the ground. Under the Clean Water Act, 2006, a recharge area is considered significant when it helps maintain the water level in an aquifer that supplies drinking water (including private wells), and has higher than average recharge across the Source Protection Area.
<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 Significant Groundwater Recharge Area</SPAN></SPAN></P><P STYLE="font-weight:bold;margin:4 0 4 0;"><SPAN><SPAN>Table Name: </SPAN></SPAN><SPAN><SPAN>SWP_SIGNIF_GW_RECHARGE_AREA_FT</SPAN></SPAN></P><P STYLE="margin:0 0 4 0;"><SPAN>An area can be considered a significant groundwater recharge area if (1) the area annually recharges water to the underlying aquifer at a rate that is greater than the rate of recharge across the whole of the related groundwater recharge area by a factor of 1.15 or more; or (2) the area annually recharges a volume of water to the underlying aquifer that is 55% or more of the volume determined by subtracting the annual evapotranspiration for the whole of the related groundwater recharge area from the annual precipitation for the whole of the related groundwater recharge area.</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. SPA_ID values range from 0 to 48</SPAN><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>4</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><P STYLE="font-weight:bold;margin:0 0 11 0;"><SPAN><SPAN>Clipping SGRAs </SPAN></SPAN></P><P STYLE="margin:0 0 11 0;"><SPAN>The jurisdictional identification of SGRA was approved by the SPC. However, Technical Rule (45) requires that “an area shall NOT be delineated as a SGRA area unless the area has a hydrological connection to a surface water body or aquifer that is a source of drinking water for a drinking water system.” This includes private systems (O. Reg. 170/03). This Technical Rule introduces the idea of clipping out SGRAs that are of no significance from a drinking water point of view, since it would not make practical sense to protect them. These areas may be important in other contexts, but they are not considered significant under the CWA. In the </SPAN><SPAN>CTC Region</SPAN><SPAN>, the SGRA located within the municipal service boundary that are on the Lake Ontario shoreline and sourced from Lake Ontario have been clipped out if no drinking water systems (as defined in the Safe Drinking Water Act, 2002) depend on those SGRAs. </SPAN></P></DIV></DIV></DIV>
TRCA, CVC, CLOCA
Source Water Protection
significant groundwater recharge areas
SGRA
CTC
SWP
Enterprise Geodatabase Feature Class
dataset
EPSG
6.11(3.0.1)
0
Simple
FALSE
0
TRUE
FALSE
SWP_SIGNIF_GW_RECHARGE_AREA_FT
Feature Class
0
OBJECTID
OBJECTID
OID
4
10
0
Internal feature number.
Esri
Sequential unique whole numbers that are automatically generated.
SPA_ID
Source Protection Area ID
Integer
4
10
0
SHAPE
SHAPE
Geometry
8
0
0
Feature geometry.
Esri
Coordinates defining the features.
SHAPE.STArea()
SHAPE.STArea()
Double
0
0
0
SHAPE.STLength()
SHAPE.STLength()
Double
0
0
0
20240429
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