A site is designated for a chemical mixing plant in a town. As part of taking precaution against potential hazards to groundwater, piezometers were installed to monitor groundwater quality as well as flow direction to ensure potential contaminants do not get transported to groundwater resource used as water supply for downstream community to the west of the plant. Six piezometers were installed at the site in the western direction to achieve this purpose. The piezometers extend to 250 cm from the soil surface. The average water levels in the piezometers determined over a month is as presented in Table 1. The area has near-level topography. Would you deem the site as a potential contamination source for the downstream groundwater supply? Represent the hydraulic scenario with a diagram. Table 1: Depth of water in piezometers Piezometer 1 (closest to plant) 2 3 4 5 6 (farthest from plant) Depth of water in piezometer from soil surface (cm) 95 98 120 101 85 85

Applications and Investigations in Earth Science (9th Edition)
9th Edition
ISBN:9780134746241
Author:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Publisher:Edward J. Tarbuck, Frederick K. Lutgens, Dennis G. Tasa
Chapter1: The Study Of Minerals
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A site is designated for a chemical mixing plant in a town. As part of taking precaution against
potential hazards to groundwater, piezometers were installed to monitor groundwater quality as
well as flow direction to ensure potential contaminants do not get transported to groundwater
resource used as water supply for downstream community to the west of the plant. Six
piezometers were installed at the site in the western direction to achieve this purpose. The
piezometers extend to 250 cm from the soil surface. The average water levels in the piezometers
determined over a month is as presented in Table 1. The area has near-level topography. Would
you deem the site as a potential contamination source for the downstream groundwater supply?
Represent the hydraulic scenario with a diagram.
Table 1: Depth of water in piezometers
Piezometer
1 (closest to plant)
2
3
4
5
6 (farthest from plant)
Depth of water in piezometer from soil
surface (cm)
95
98
120
101
85
85
Transcribed Image Text:A site is designated for a chemical mixing plant in a town. As part of taking precaution against potential hazards to groundwater, piezometers were installed to monitor groundwater quality as well as flow direction to ensure potential contaminants do not get transported to groundwater resource used as water supply for downstream community to the west of the plant. Six piezometers were installed at the site in the western direction to achieve this purpose. The piezometers extend to 250 cm from the soil surface. The average water levels in the piezometers determined over a month is as presented in Table 1. The area has near-level topography. Would you deem the site as a potential contamination source for the downstream groundwater supply? Represent the hydraulic scenario with a diagram. Table 1: Depth of water in piezometers Piezometer 1 (closest to plant) 2 3 4 5 6 (farthest from plant) Depth of water in piezometer from soil surface (cm) 95 98 120 101 85 85
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