Waterloo Region - Compost is available at both the Cambridge and Waterloo transfer stations beginning Monday, October 20 until Saturday, October 25 while supplies last. Residents of Waterloo Region will be able to pick-up small quantities of compost at no cost: Maximum five bushelsBring your own shovel and containersLocation and hours: 925 Erb Street West (Gate 2), Waterloo, Monday to Saturday, 7 a.