Long Lake Nwr - G12 Marsh, located in Burleigh, North Dakota, is a federal-owned water resource managed by the USFWS. This marsh serves multiple purposes including fire protection, stock, and small fish pond. Constructed in 1991, the earth dam stands at a height of 6.5 feet and has a normal storage capacity of 129 acre-feet with a maximum storage of 500 acre-feet. The controlled spillway is 30 feet wide, and the outlet gate is a vertical lift.

Despite being rated as having a low hazard potential, Long Lake Nwr - G12 Marsh has a very high risk assessment score of 1. The condition assessment is not rated, and there is no information available on the emergency action plan or risk management measures. The dam does not fall under the jurisdiction of the USACE and is regulated by the NDSWC. With its strategic location on Apple Creek-TR, this marsh plays a crucial role in water resource management in the region.

Water resource and climate enthusiasts will appreciate the significance of Long Lake Nwr - G12 Marsh as a vital ecosystem and water source in North Dakota. Its role in fire protection, wildlife habitat, and water storage makes it a crucial part of the landscape. While the dam is currently considered to have a low hazard potential, the high risk assessment score underscores the importance of monitoring and maintaining this infrastructure to ensure the safety and sustainability of the surrounding environment.