Things You Will Need
Sump for Underground Water Drainage
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Dig a hole if the sump will be used to collect underground water such as rain water.
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Estimate the width of the hole to fit gravel at the bottom and the sides once the pit or bucket has been installed into the hole.
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Spread gravel at the bottom of the hole.
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Insert pit or bucket. Make sure the pit has tiny holes all over it that are less than a quarter inch or make several tiny holes all over the bottom and sides of the pit.
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Fill the side gaps with more gravel.
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Discharge the water with a pump.
Sump for Sewer Water Drainage
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Use a solid pit with no holes if the sump is to be used for sewer drainage.
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Size the pit according to plumbing codes. More bathrooms increases the size of the pit.
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Drill a hole on the side of the pit to coordinate with the pitch of the pipeline coming from the bathroom to drain the sewage into the pit.
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Insert the pit into the ground.
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Use one pump or two alternate pumps to discharge the sewage up to the sewer line.