Troublesome Cr Watershed Site 48-3, located in Audubon County, Iowa, is a critical water resource managed by the local government for fire protection, livestock use, and small fish pond purposes. Built in 1982 by the USDA NRCS, this earth dam stands at a height of 30 feet and spans 680 feet, with a storage capacity of 117 acre-feet. The reservoir covers 5.8 acres and serves a drainage area of 0.46 square miles, offering flood risk reduction benefits to the surrounding area.

Managed by the Iowa Department of Natural Resources, Troublesome Cr Watershed Site 48-3 has a low hazard potential and a moderate risk level. While the dam is currently in a not-rated condition, regular inspections and maintenance ensure its continued functionality. With a spillway type of uncontrolled, this site is equipped to handle potential overflow events, although no maximum discharge rate is specified. Overall, this watershed site plays a crucial role in water management and conservation efforts in the region, providing essential services for both human and ecological needs.

As a key feature in the Rock Island District, Troublesome Cr Watershed Site 48-3 contributes to the overall water infrastructure in the area. With state regulation, inspection, and enforcement in place, the dam ensures safety and compliance standards are met. While the dam's emergency action plan status is unclear, its strategic location and purposeful design underscore its importance in maintaining water quality, controlling flooding, and supporting local ecosystems. For water resource and climate enthusiasts, this site offers a fascinating case study in sustainable water management practices and the intersection of human development with natural ecosystems.