Determination of Groundwater Wellhead Sanitary Protection...
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Transcript of Determination of Groundwater Wellhead Sanitary Protection...
Alluvium
Clastic sediments, clay, sand, gravel
Proluvium
Sericitic, quartz-sericitic and chloritic-sericitic schists
Study area
Extraction well
Protection zone boundary
Land surface
Flowlines
Adaptated from EPA
Isochrones
512300 512400 512500 512600 512700 512800 512900 513000 513100
4708
600
4
7087
00
47
8800
470
8900
4
7090
00
470
9100
512300 512400 512500 512600 512700 512800 512900 513000 513100
4708
700
4
7880
0
47
0890
0
4
7090
00
470
9100
Third protection zone
Wells First protection zone
Second protection zone