Why does my basement floor drain smell?

A strong sewer smell coming from your basement is most likely caused by a dried out floor drain, a bad ejector pit seal, or even a damaged sewer line. The source of the sewer smell is usually the floor drain in the basement.A strong smell of sewage from your basement is caused by dry solar drainage, a poorly sealed well ejector, inadequate ventilation equipment or accessories, or even a damaged sewer canal.