In an effort to minimize sedimentation within the creeks and channels within Flower Mound, Drainage and R.O.W. limits its maintenance through small-scale treatments, typically in the form of erosion protection at locations posing immediate threats to structures. The minimalistic approach to creek and channel maintenance also serves to preserve the environment and improve water quality in accordance with the Clean Water Act 33 U.S.C. §1251 et seq. (1972) and the Flower Mound’s Storm Water Management Program, as required pursuant to the Texas Pollutant Discharge Elimination System Phase II MS4 General Permit TXR04000.