Summary: Requested increases in Item 230, drop box disposal fees. On January 1. 2016, drop box disposal fees, set by the City of Walla Walla, at the City of Walla Walla Landfill will increase from $76.70 per ton to $82.80 per ton. Annual drop box disposal revenues and expenses would increase by approximately $14,500 (0.8 percent). The company serves approximately 21 drop box customers in Walla Walla County. The company's last general rate increase became effective on April 1, 2015.