Teller Lake No. 5 - East, also known as Hoffman Lake, Dexter Lake, and Davidson Lake, is a captivating water resource located in Boulder, Colorado. Constructed in 1911 for irrigation purposes, this earth dam stands at a height of 10 feet and boasts a storage capacity of 235 acre-feet, with a normal storage level of 130 acre-feet. The dam spans 670 feet in length and covers a surface area of 35 acres, making it a significant feature in the local landscape.

Managed by the USDA NRCS and regulated by the Colorado Division of Water Resources, Teller Lake No. 5 - East is a well-maintained structure with a fair condition assessment and a low hazard potential. Despite its age, this dam continues to serve its primary purpose of irrigation while also providing opportunities for recreation in the area. With a moderate risk assessment rating, the dam is equipped with an uncontrolled spillway and a maximum discharge capacity of 683 cubic feet per second, ensuring the safety and functionality of this vital water resource.

Located in the Dry Creek watershed and under the jurisdiction of the DWR, Teller Lake No. 5 - East offers a glimpse into the intricate network of water management systems in Colorado. With its historical significance, engineering marvel, and environmental impact, this dam serves as a testament to the importance of sustainable water resource management in the face of climate change and increasing water demands.