South Portland rallies against toxic fumes South Portland is the home of 120 oil storage tanks emitting toxic chemicals into the air around schools and homes, and residents want change. Author: Jake Richards Updated: 11:33 PM EDT April 23, 2021 SOUTH PORTLAND, Maine — South Portland is home to 120 oil storage tanks that emit toxic chemicals into the air near houses, senior housing, and schools, like James Otis Kaler Elementary School, which sits right next to a tank farm. Protect South Portland and the No Toxic Tanks Coalition held a rally at the elementary school on Friday where locals heard from speakers and a New Orleans-style marching band.