J. J. Huddart No. 1, also known as Hanks or Lacamora, is a local government-owned irrigation dam located in Lafayette, Colorado. Built in 1962 by the USDA NRCS, this earth dam stands at a height of 20 feet with a hydraulic height of 25 feet, serving the primary purpose of irrigation. With a storage capacity of 42 acre-feet and a maximum discharge of 150 cubic feet per second, this dam plays a vital role in managing water resources in the region.

Situated on Rock Creek in Broomfield County, J. J. Huddart No. 1 is regulated by the Colorado Department of Water Resources (DWR) and is under state jurisdiction for permitting, inspection, and enforcement. Despite being rated as low hazard potential and not yet assessed for condition, this dam presents a moderate risk (3 out of 5) due to its age and design characteristics. While it does not have an emergency action plan or inundation maps prepared, the dam meets regulatory guidelines and is equipped with an uncontrolled spillway to manage excess water flow.

Although not owned or funded by federal agencies, J. J. Huddart No. 1 is an essential water infrastructure managed by local authorities for agricultural irrigation purposes. With its strategic location and operational history since the 1960s, this dam continues to contribute to the sustainable management of water resources in the area, ensuring a reliable water supply for the surrounding community.