Determination of Groundwater Wellhead Sanitary Protection...

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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

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