Summerville sits inland from the harbour but sheds water poorly in heavy rain, and the flat terrain plus clay-heavy soil means groundwater has nowhere quick to go.
Why pumps fail here when you need them
Sump pumps fail during the storm, not before it, and almost always for the same reasons: a stuck float switch after months of sitting idle, a check valve that lets water run back into the pit, or no backup when the power goes out. In the Lowcountry, heavy rain and power loss arrive together, so a pump with no battery backup is a pump that is off exactly when it matters.
Crawl spaces as much as basements
Basements are rare in this area, so most Summerville pump work is in crawl spaces — keeping standing water off the underside of the house, away from ductwork, insulation and floor framing. Persistent crawl space moisture is also what leads to the musty smell people blame on air conditioning.
Test it before hurricane season
Pour a bucket into the pit and confirm the pump starts, moves water, and stops cleanly. If it hums without pumping, chatters on and off, or runs continuously, it needs attention now rather than during the next storm. Testing takes two minutes and is the single most useful thing you can do yourself.