Standings available exclusively at http://southerncounties.ca/Rounds/19785/2018-2019_Atom_AE_Grp_3_Playdowns/
Standings available exclusively at http://tcmhl.ca/Rounds/19314/2018-2019_Atom_Harrison_Regular_Season/
Standings available exclusively at http://tcmhl.ca/Rounds/19228/2018-2019_Atom_Harrison_Tri-County_League_Play-offs/
Standings available exclusively at https://www.omha.net/page/show/4672983-atom-ae3