Minnesota Lake, Minnesota offers several convenient dump stations for RV travelers in need of waste disposal.You can find a dumping facility at the City Sewage Plant, which provides separate areas for black water and gray water disposal.Another option is the LeSueur County Fairgrounds, where you'll have access to fresh water and a hose for flushing tanks.If you're traveling on I-35, the Rest Area I-35 NB/SB Northwood has a dump station available for use.- Additionally, the Le Sueur Wastewater Treatment Facility offers RV waste disposal services.