Taken on its own, crawl Space Drainage and Sump Pump Installation treats one part of the problem. Taken in order, it is the part that makes the rest hold. That is how we schedule it on Cross jobs.
Water keeps coming back, so it needs somewhere to go rather than somewhere to sit.
Drainage and sump pump on lowcountry and coastal plain ground
Near Cross a sump is often working against a standing water level rather than an occasional event, and close to the coast that level can be tidally influenced. The system has to be sized for water that keeps arriving, and the discharge has to go far enough that it does not simply return.
In Cross the complication is the water table. It sits close enough to the surface that soil under a house can be saturated with nothing broken, so this work is usually dealing with moisture arriving from below rather than from a failure inside the house.
Cross at a glance
| County | Berkeley County |
|---|---|
| ZIP | 29436 |
| Elevation | about 79 ft |
| Region | Lowcountry and coastal plain |
Named water nearby
- Lake Moultrie (reservoir)
- Lawson Pond (lake)
- Wassamassaw Swamp (swamp)
- Kirk Swamp (swamp)
Signs you need this
- Water returns in the same place after every heavy rain
- A waterline or silt mark on piers or foundation walls
- Soil that stays soft or muddy long after the weather clears
- An existing pump that runs constantly or has stopped working
What the work involves
What is included on a typical Cross property:
- Assessment of water source, arrival points and low spots
- Perforated collection pipe in a gravel bed
- Sump basin set at the low point
- Sump pump sized to the space, with check valve
Why it is worth dealing with now
The cost of this work does not stay flat. Every season a Cross crawl space stays wet moves more of the job from drying towards framing repair.
The full method and the step-by-step for this work is on the Crawl Space Drainage and Sump Pump Installation page, and how it behaves across the state is on the Drainage and sump pump in South Carolina page.
Drainage and sump pump in Cross: common questions
Can grading fix it without installing a pump?
Sometimes, and it is checked first because exterior water is the cheapest to deal with. Where the water table itself rises into the space, as it can around Cross, it cannot.
Where does the discharge go on a Cross property?
Far enough from the foundation that the water does not track straight back in, to a point that is legal locally. Discharging beside the wall is the most common fault we find, and it is why some pumps run constantly.
Does storm flooding reach crawl spaces around Cross?
Yes, and often with nothing visibly broken. After a tropical system the usual picture in Berkeley County is a saturated crawl space where the water came up through the ground rather than out of a pipe.
Is crawl space water damage covered by insurance?
It depends on the cause, not the address. A burst pipe in a Cross home is commonly covered; groundwater, long-term seepage and flooding usually are not, and flood damage generally needs separate cover. Photograph everything first.
Do you cover all of Cross?
Yes — Cross and the surrounding part of Berkeley County, including the 29436 area. We also work in nearby Pinopolis, Pineville and Bonneau.
Do I need drainage, or will a vapor barrier be enough?
A barrier handles soil moisture and vapor. If liquid water is entering the space — after rain, or as the water table rises — it needs drainage and a sump as well, because a barrier laid over water simply floats on it.
Drainage and sump pump near Cross
We cover Cross and the surrounding part of Berkeley County. The same service in nearby towns:
Other crawl space services in Cross
Crawl Space Water Removal in Cross
Standing water pumped and extracted from under the house, then the saturated material taken out.
Crawl Space Structural Drying in Cross
Joists, girders and subfloor dried back to a measured target with air movers and dehumidification.
Crawl Space Mold Remediation in Cross
Contained removal of mold-affected material, HEPA cleaning, and the moisture source shut off.
Crawl Space Vapor Barrier Installation in Cross
Sealed polyethylene over the soil and up the piers, so ground moisture stops entering the space.
Crawl Space Wood and Subfloor Repair in Cross
Rotted joists, girders, rim joists and subfloor sections repaired or replaced once the space is dry.
Or see everything we cover in our Cross service area, and how this service works across the state on the South Carolina page.
Crawl Space Drainage and Sump Pump Installation in Cross
Call (888) 724-1354 and tell us your street and what the space looks like. We will tell you whether this is the right stage to start at.
Tell us what you are seeing under the house and we will tell you what it needs.