Lake Marshall 19 & 30, located in Lyon County, Minnesota, is a vital water resource managed by the local government for roadway retention purposes. This dam, classified as a Buttress type with a height of 17 feet and a length of 420 feet, serves to control the flow of Meadow Creek-TR and has a storage capacity of 74 acre-feet. Despite its low hazard potential, this structure is regulated by the Minnesota Department of Natural Resources - Ecological and Water Resources, ensuring its compliance with state permitting, inspection, and enforcement requirements.

Even though the dam's condition is currently not rated, regular inspections are conducted every 8 years to monitor its integrity and safety. While the primary purpose of Lake Marshall 19 & 30 is not listed, its importance in managing water flow and storage cannot be understated. With a history of construction and maintenance overseen by local authorities, this dam plays a crucial role in protecting the surrounding area from potential flooding events and ensuring water resource sustainability in the region.

For water resource and climate enthusiasts, Lake Marshall 19 & 30 serves as a fascinating example of local government efforts to manage water infrastructure effectively. As part of the Omaha District under the US Army Corps of Engineers, this dam represents a collaboration between federal and state agencies to regulate and maintain critical water resources. With its strategic location and functional design, Lake Marshall 19 & 30 stands as a testament to the importance of proactive water management practices in mitigating environmental risks and promoting long-term sustainability.