DAM BUILDING

WHERE AND HOW

• There are lots of dams in Minnesota from leach lake to Rapidan
• A lot of Dams in Minnesota are used for hydro power, flood control and lake Level control.

LAWS AND REGULATIONS

• The top of the dam must have appropriate freeboard above the design flood elevation. The spillway must be able to pass the discharge at a safe high to alleviate erosion.

IMPACTS

• The dams can destroy habitats for wildlife and it can stop fish and other aquatic species from migrating up stream.
• Altering flow rates may negatively impact aquatic organisms that depend on thresholds of water level.

AFFECTS

• The Dam can give electricity and can prevent flooding.
• The dams can slow down fishing what a lot of people in Minnesota like to do.
• If they need to release too much water if might flood farm land.

RECENT NEWS

• Minnesota is ranked No. 3 among the 50 states this year for dam removals.
• A 52-year-old man died after he was pulled into the fast water near the lock and dam system on the Mississippi River in southeastern Minnesota.

CITES

• http://www.fox9.com/news/246664605-story
• http://mphydro.com/oursystem.html https://www.leg.state.mn.us/docs/pre2003/mandated/950235.pdf https://www.conssci.umn.edu/sites/consbio.umn.edu/files/beck_et_al2012.pdf https://www.minnpost.com/earth-journal/2017/02/bit-bit-dams-are-coming-down...