Grinnell, a private irrigation dam located on Grinnell Creek in Carbon County, Wyoming, stands as a testament to water resource management and climate adaptation efforts. Built in 1919, this earth dam with stone core serves the primary purpose of supporting irrigation activities in the region. With a dam height of 8 feet and a hydraulic height of 5 feet, Grinnell offers a storage capacity of 310 acre-feet, providing vital water resources for agricultural needs in the area.

Despite its age, Grinnell maintains a fair condition assessment and a low hazard potential, making it a reliable asset for the community. The dam features an uncontrolled spillway with a width of 40 feet, ensuring proper water discharge during high-flow events. Regular inspections and maintenance activities, conducted approximately every five years, contribute to the overall safety and functionality of the structure. With its moderate risk assessment rating and strategic location in the Sacramento District, Grinnell plays a crucial role in water management and environmental conservation efforts in the region.

As climate change continues to impact water resources and infrastructure resilience, Grinnell serves as a critical asset in ensuring sustainable water supply and irrigation practices in Wyoming. Managed by private owners and regulated by state authorities, this historic dam exemplifies the importance of proactive maintenance, risk assessment, and emergency preparedness in safeguarding water sources for future generations. With its strategic location and operational efficiency, Grinnell stands as a beacon of hope for water resource and climate enthusiasts seeking innovative solutions to address evolving environmental challenges.