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--- sediment_trap [2022/05/11 11:44] – created admin
+++ sediment_trap [2024/02/29 16:59] (current) – admin
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 A sediment trap is a small, temporary ponding area designed to catch and remove sediment from runoff.  Runoff enters the trap and is impounded in a basin behind a stone weeper, reducing the velocity of the runoff and allowing suspended sediments to settle out.
-Sediment traps are applicable on sites with drainage areas of less than 5 acres and are typically placed in [[grassed swale|swales]] and other conveyance channels.  To maximize the effectiveness of this practice, they should be located on the lowest point, near the edge of the site, to maximize the area served by the trap.  Because sediment traps are, at best, 70-80 percent efficient and are ineffective for smaller sized sediments, they are best used in conjunction with other BMPs.
+Sediment traps are applicable on sites with drainage areas of less than 5 acres and are typically placed downstream of a [[vegetated swale]] or other conveyance.  To maximize the effectiveness of this practice, they should be located on the lowest point, near the edge of the site, to maximize the area served by the trap.  Because sediment traps are, at best, 70-80 percent efficient and are ineffective for smaller sized sediments, they are best used in conjunction with other BMPs.
 **Advantages**
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 ==References==
-  *[[https://dnr.wi.gov/topic/stormWater/documents/1063SedimentTrap.pdf|Wisconsin DNR Sediment Trap Conservation Practice Standard 1063]]
+  *[[https://dnr.wisconsin.gov/sites/default/files/topic/Stormwater/1063SedimentTrap.pdf|Wisconsin DNR Sediment Trap Technical Standard 1063]]