Banner Lake #1, located in Weld County, Colorado, is a state-regulated Earth dam completed in 1968 for the primary purpose of serving as a Fish and Wildlife Pond. With a dam height of 10 feet and a length of 747 feet, this reservoir has a storage capacity of 52 acre-feet. The dam is situated on Jim Creek and covers a drainage area of 2 square miles, providing a surface area of 7 acres.

Despite its low hazard potential, Banner Lake #1 poses a high risk due to its condition assessment not being rated. The dam has not been inspected recently, with an inspection frequency of 6 years. The spillway type is listed as 'None', with a spillway width of 15 feet. The reservoir's normal storage capacity is 25 acre-feet, and it has a maximum discharge of 204 cubic feet per second.

For water resource and climate enthusiasts, Banner Lake #1 offers a unique opportunity to study a well-maintained reservoir that serves as a habitat for fish and wildlife. With its strategic location and purposeful design, this Earth dam contributes to the local ecosystem while providing recreational opportunities for the community. However, the lack of recent inspections and condition assessments highlight the need for ongoing monitoring and maintenance to ensure the safety and sustainability of this valuable resource.