John Carl Warnecke is a privately owned Earth dam located in Del Rio Woods, Sonoma, California. Built in 1974, this dam serves primarily for water supply, with a storage capacity of 30 acre-feet. Standing at a height of 32 feet, it spans 238 feet in length and has a hydraulic height of 27.5 feet. The dam is regulated and inspected by the Department of Water Resources for the safety of dams, ensuring its satisfactory condition and low hazard potential.

Situated on the Tr Russian River, John Carl Warnecke plays a crucial role in irrigation and water supply for the surrounding area. Managed by private owners, this dam is subject to state jurisdiction, permitting, inspection, and enforcement. With a drainage area of 0.11 square miles and a surface area of 2 acres, it contributes to the sustainable management of water resources in the region. The dam's location, design, and purpose make it a significant infrastructure for water resource and climate enthusiasts to study and appreciate.

Representing a blend of engineering excellence and environmental stewardship, John Carl Warnecke embodies the intersection of water supply infrastructure and natural conservation efforts. With its historical significance and ongoing role in water management, this dam stands as a testament to responsible resource utilization and the importance of regulatory oversight in ensuring the resilience of critical infrastructure in the face of climate change challenges. For enthusiasts interested in the intricate relationship between water resources, climate dynamics, and infrastructure development, John Carl Warnecke offers a compelling case study worth exploring.