City codes call for submittal of erosion prevention/sediment control plans for all permit applicants including single family permits. Each plan shall present in a clear fashion, information demonstrating what preventive measures will be taken to avoid sediment from leaving the site.
The City of West Linn’s Environmental Protection Guide outlines the minimal required best management practices for all construction sites. Furthermore, the current edition of the Clackamas County Erosion Prevention and Sediment Control Planning & Design Manual is the minimum standard applied to all projects. Look for an update of the manual in the near future.