Changes

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<h4>Pretreatment and inlets</h4>

<h4>Pretreatment and inlets</h4>

<p>To minimize erosion and maximize the functionality of the swale, sheet flow of surface water should be directed into the side of the BMP. [[Gravel diaphragm]]s, [[vegetated filter strips]] and shallow side slopes are ideal. Alternatively, a series of curb inlets can be employed, where each has some form of flow spreading incorporated. Single point inflow can cause increased erosion and sedimentation which will damage vegetation and contribute to BMP failure. Again, flow spreading devices can mitigate these processes, where concentrated point inflow is required. </p>

<p>To minimize erosion and maximize the functionality of the swale, sheet flow of surface water should be directed into the side of the BMP. [[Gravel diaphragms]], [[vegetated filter strips]] and shallow side slopes are ideal. Alternatively, a series of curb inlets can be employed, where each has some form of flow spreading incorporated. Single point inflow can cause increased erosion and sedimentation which will damage vegetation and contribute to BMP failure. Again, flow spreading devices can mitigate these processes, where concentrated point inflow is required. </p>

<h4>Check dams</h4>

<h4>Check dams</h4>

<p>Check dams are a feature of enhanced swales. They promote infiltration and evaporation by promoting limited ponding.  

<p>Check dams are a feature of enhanced swales. They promote infiltration and evaporation by promoting limited ponding.