5 - Project 1 Wellhead protection program for a small...

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Wellhead protection program for a small community A small community pumps groundwater from a confined sandstone aquifer for their drinking water supply (see figure above). A recent monitoring study, however, shows that the aquifer is contaminated by a TCE plume near the Boeing and Cascade sites upgradient. Although the well water is currently not contaminated, the citizens are extremely concerned since groundwater is their exclusive source of water supply. The fact that groundwater is invisible make them particularly anxious and has been asking many questions: 1. Will the advancing plume hit the community wells? How long does it take for the plume to reach the wells? 2. Can the community still use the groundwater? Will the community pumping affect the plume migration? What is the influence area of the community wells? 3. What is the safe yield of the community wells? 4. What is the area of contribution (recharge area) of the community wells? 5.
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5 - Project 1 Wellhead protection program for a small...

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