 CenterPoint Energy takes many steps to help ensure the safety of gas lines in your community and shares important tips like the following. A distinct odor similar to rotten eggs is added to natural gas. If you smell it, clear the area and immediately call CenterPoint Energy. Plus, always remember to call 8-1-1 before you dig or begin an outdoor project. Natural gas is one of the safest fuels. To find more tips, visit Ohio811.org.