Panama No. 1 - Northeast, also known as Baller Lake or Swede Lake, is a private dam located in Boulder, Colorado, with a primary purpose of irrigation. Completed in 1904, this rockfill dam stands at a height of 12 feet and has a storage capacity of 6979 acre-feet, making it a crucial water resource for the region. The dam also serves recreational purposes and is regulated by the state with regular inspections to ensure its safety and functionality.

Situated on Boulder Creek-OS, Panama No. 1 - Northeast plays a vital role in water management and irrigation in the area. With a surface area of 370 acres and a drainage area of 1 square mile, the dam has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in June 2020. Despite its age, the dam continues to meet the water storage needs of the community while also providing opportunities for recreation and leisure activities.

Managed by a private owner, Panama No. 1 - Northeast contributes to the overall water infrastructure of the region, supporting both agricultural irrigation and recreational pursuits. With a controlled spillway system and a moderate risk assessment rating, this historic dam symbolizes the importance of sustainable water resource management in the face of changing climate patterns and increasing water demands.