Lambert Dam, located in Chariton, Iowa, is a private earth dam completed in 1999 by the NRCS with a primary purpose of providing fire protection, stock, or a small fish pond. This dam has a height of 21 feet and a length of 414 feet, with a storage capacity of 59 acre-feet and a surface area of 2.4 acres. It is situated on the TR-Chariton River in Lucas County and is regulated by the Iowa DNR.

With a low hazard potential and a moderate risk assessment rating, Lambert Dam plays a crucial role in water resource management in the area. It has state jurisdiction and is subject to regular inspections, permitting, and enforcement to ensure its safety and functionality. Despite not being rated for its condition assessment, the dam continues to serve its purpose effectively while meeting guidelines for emergency action plans and risk management measures. For water resource and climate enthusiasts, Lambert Dam represents a vital infrastructure for sustainable water use and management in the region.