The horsepower a grinder pump demands to operate competently and reliably is determined by the quantity of wastewater a making provides. The sewage ejector pumps are provided in various sizes or horsepower. An ordinary pump which has a ½ to ¾ horsepower motor is ample for a 30-gallon sump basin. https://andre0jryh.theblogfairy.com/31357118/the-best-side-of-how-to-pump-sewage