What are the requirements for construction adjacent to and within natural watercourses?
In general, construction is not allowed within 25 feet of natural watercourses (channels comprised of definite beds and banks to confine and conduct continuously or periodically flowing water formed in the surface of the earth prior to changes made by unnatural conditions) or within 50 feet of the Dardenne Creek, Peruque Creek, Femme Osage Creek, Big Creek, and McCoy Creek as measured from the top of the stream bank. Installation or removal of berms or dams, clearing of existing vegetation, soil disturbance, filling or dumping, drainage by ditching, road, bridge, or utility crossings, paths and trails, buffer restoration, water quality monitoring & stream gauging, and dead or damaged tree and debris removal can be allowed with approval from Division or Department Directors and/or the County Council per Sections 405.5026 and 405.5027 of the County Code. Permits may also be required from the Division of Planning & Zoning, the United States Army Corps of Engineers, the Missouri Department of Natural Resources, and the Federal Emergency Management Agency for projects approved within or adjacent to natural watercourses. Contact the Division of Development Review for specific information regarding your project. Sections 405.5026 and 405.5027 of the County Code

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1. Do I need a Land Disturbance Permit?
2. What are the requirements for construction adjacent to and within natural watercourses?
3. How can I protect my property from storm water drainage or alter storm water drainage within and adjacent to my property?
4. Other than storm water detention, what requirements do you have for storm water quality treatment?
5. What is a BMP?