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Joined: Sep 2019
Posts: 12
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OP
Joined: Sep 2019
Posts: 12 |
Need help with erosion control on new dam that is pretty steep. I live in the southeast.
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Joined: Oct 2018
Posts: 2,241 Likes: 546
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Joined: Oct 2018
Posts: 2,241 Likes: 546 |
I use straw erosion blankets after seeding grass mixed with something like Oats or Rye that comes quick. These blankets come 8'X 112' for 40-60$-worth every penny.
Netting is used and anything over 3 to 1 slope requires the double net. I use weed barrier fabric stakes to hold in place and water every day with trash pump set up for 3/4" discharge for garden hose.
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Joined: May 2009
Posts: 5,722 Likes: 282
Lunker
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Lunker
Joined: May 2009
Posts: 5,722 Likes: 282 |
I have a very steep dam that I was not expecting on my 2nd pond... Ended up planting starts of Amur Silver Grass which is sod forming and can be invasive, so I keep it mowed on the dam side. It also grows tall with ornamental seed heads, but mine has never spread by seed. The wall of tall, thick grass also forms a physical barrier which aids in safety. I am in Indiana so this may not work for you. I did this to keep the dam from slumping, even after hiring another company to pull back the grade to make it less steep. Don't know what the first guy was thinking.
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Joined: May 2011
Posts: 1,752 Likes: 33
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Joined: May 2011
Posts: 1,752 Likes: 33 |
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Joined: Sep 2019
Posts: 12
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OP
Joined: Sep 2019
Posts: 12 |
Rip rap may be an option for the spillway and around overflow pipe. Since I am in south AL I may just throw a combination of brown top and rye for now.
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