The Doyle Creek Watershed is a collaborative watershed management area in Marion & Harvey Counties, Kansas, managed by the Doyle Creek Watershed Joint District No. 86, focused on flood control and natural resource protection, involving projects like floodwater retarding dams (e.g., FRD 11) with support from the USDA's NRCS, KDHE, and local districts, ensuring water quality and managing resources through planning and construction of infrastructure like spillways and embankments.