Water Wells &Saltwater Intrusion

What is a Water Well?

Part 1 Draw a water well in the ground

Part 2 Show how water gets into the well

AQUIFER: Saturated rock and sediment that water can flow through

Part 3 List places where this groundwater comes

from

Part 4 Predict what happens as you take too much

water out of the well.

Part 5 How can we extract more water from the

well when the groundwater level has dropped?

RECHARGE

DRILL DEEPER

Part 6 Draw a well that is near the ocean. Indicate

what you think the groundwater looks like between the ocean and the well.

OCEAN

Part 7 Take your model of a well near the ocean. Slowly pour a small amount of the blue

ocean water on the opposite end of the well.

Draw water up through your well. Collect the water.

As water is drawn from the well, predict what will happen.

WELLOcean AreaPour BLUE WATER HERE

Part 8 Draw what happens to the fresh and ocean

groundwater as water is continually drawn up the well.

OCEAN

Saltwater intrusion: movement of saltwater into freshwater aquifer

SCENARIO

Saltwater is approaching your water wells

You have been hired to come up with a solution!!!!

Design a solution to prevent saltwater intrusion

You and your team will give a 5 minute PowerPoint presentation to the class

Consider◦ Cost◦ Feasibility (convenience)◦ Community priorities◦ Reliability◦ Aesthetics◦ Social/cultural/environmental impacts◦ Timeline/schedule

Presentations The class (“city counsel”) will vote on the

best solution for the city