Blockton Watershed Site W-4, located in Taylor County, Iowa, is a vital water resource managed by the local government and regulated by the Iowa Department of Natural Resources. This site serves multiple purposes including fire protection, stock, small fish pond, flood risk reduction, and more. The primary dam type is earth, with a height of 24 feet and a length of 530 feet, completed in 1966.

With a storage capacity of 74 acre-feet and a surface area of 4.7 acres, Blockton Watershed Site W-4 plays a crucial role in managing water resources in the area. The dam, situated on the TR-Platte River, has a low hazard potential and a moderate risk assessment rating. While the condition assessment is currently not rated, the site undergoes regular inspections, with the last one conducted in March 1968.

Managed by the USDA NRCS, Blockton Watershed Site W-4 is an essential infrastructure for water management and conservation in the region. Its strategic location and design make it a key element in ensuring water security, flood control, and environmental sustainability. Climate and water resource enthusiasts will appreciate the significance of this site in maintaining the ecological balance and protecting the community from water-related risks.