Rest Area I-35 NB/SB Northwood offers convenient dumping facilities for RV travelers passing through Buffalo Center, Iowa. The City Sewage Plant is another option for dumping black water and gray water from your RV tanks. If you're in need of fresh water or a hose for flushing your tanks, the Owatonna Wastewater Treatment Plant is a great choice. For those looking to dispose of their RV trash, the LeSueur County Fairgrounds has an RV waste disposal area. These dump stations provide essential services for RVers exploring Buffalo Center, Iowa and its surrounding areas. Some locations listed in this article are the nearest of their kind to the starting point, and the actual drivable distance could exceed 200 miles.