Dam Building
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PRESENTATION OUTLINE
WHERE AND HOW IT IS USED
- Most dams in Minnesota are used along the Mississippi River
- They use the water from the River to make electricity
LAWS AND REGULATIONS
- The state DNR must inspect the dam and issue order to the dam owners to make repairs.
- Hazardous dams must be removed under DNR and state supervision
Photo by RobotSkirts
ENVIRONMENTAL IMPACTS
- Dams block fish migration which separates fish from their spawning grounds
- A dam holds back sediments that would travel downstream and replenish ecosystems,
- if a river doesn't receive Sediments, it erodes the river beds for sediments it's not getting
Photo by U.S. Geological Survey
EFFECT ON MINNESOTANS
- People who live along the Mississippi River where sediments aren't getting lose some of their land among the river.
- Native Americans living on reservoirs have been forced off the reservoirs due to the dams
RECENT NEWS
- A renaissance dam along the Nile river in Egypt is threatening floods on the Egyptian side of the Mediterranean, due to not enough water flowing through the dam
- The dam will also affect Egypt's drinking water , and Millions of Egyptians will have to leave coastal cities among the Mediterranean.
- Efforts to fix this is building dams that generate power and doesn't hold back sediments and water
Photo by Vvillamon
