Case Study
Willow Creek Levee - Henrietta, Missouri
Injection Systems illow Creek Levee, approximately one mile from the Missouri River, is owned by the U.S. Department of Agriculture’s Natural Resources and Conservation Service (NRCS). The levee was built in 1991 as a flood control measure in response to the concerns of local farmers. Within two years of completion, numerous slope failures had occurred. Expansive Clay The 15-ft high levee had been constructed with 3:1 side slopes from alluvial ri