Match the Drainage System to the Water Source, Not the Other Way Around
Epp Foundation Repair has diagnosed and installed crawl space drainage systems across Nebraska, Iowa, Kansas, and Missouri since 1994.
Let's take the first step toward a healthy home.
A local specialist will inspect your foundation, walk you through the findings, and send a clear estimate, no cost, no pressure.
Drainage Systems: how it works and when it's the right call.
Epp Foundation Repair starts with a water-source diagnostic during the on-site inspection. Three primary sources show up in regional crawl spaces. First, hydrostatic groundwater. Water table rising above footing level and pushing through wall-floor joints. Gets an interior perimeter drainage system with sump pit and pump. Second, surface water entering at the foundation from poor exterior grading, downspout discharge too close to the wall, or saturated soil from irrigation. Gets an exterior french drain placed 4 to 8 feet out from the foundation, intercepting water before it reaches the wall. Third, severe cases where both sources are active. Typically older homes with high water tables and decades of neglected gutters. Get a combination system: exterior french drain to handle surface water plus interior drainage to handle what still makes it through. The decision matrix is built from the diagnostic, not from a generic estimate.
How we install drainage systems.
Step 01.Diagnose the Water Source
Epp Foundation Repair inspects the crawl space, the exterior grading, the gutter and downspout layout, and the surrounding landscape to determine where water is entering. Standing water at the perimeter wall during dry weather points to a high water table (interior drainage). Standing water only after rain events with debris staining points to surface water entry (exterior drainage).
Step 02.Quote the Matched System (Not a Generic One)
Epp Foundation Repair writes the estimate around the actual source. Interior perimeter system, exterior french drain, or combination. Each is a distinct scope, distinct price, and distinct timeline. The homeowner receives a written explanation of which water source was identified and why this drainage type matches it. No upsell.
Step 03.Install Interior Perimeter Drainage (When Groundwater Is the Source)
Crews excavate a perimeter trench, lay gravel and perforated pipe sloped to a sump pit, install drainage matting at the wall-floor junction, and set a sump pump with discharge to a code-compliant exterior outlet. Typical interior install runs 2 to 4 days depending on crawl size and access. See the crawl space drainage solution page for the full procedure.
"The biggest waste of money I see is a homeowner who paid for an interior drainage system when the actual problem was a downspout dumping a whole roof's worth of water a few feet from the foundation. The right answer was a downspout extension and a french drain, for a fraction of what the interior system cost. You have to find the source first."
Care and expertise from a team that's been doing this since 1994.
Epp Foundation Repair is locally owned and operated, with crews dedicated exclusively to foundation, basement, and concrete work across the Midwest.
Foundation repair, waterproofing, and concrete leveling are our entire focus, not a sideline.
Three decades of experience with Midwest soils, basements, and weather conditions.
Recognized in 2011 and 2016 for ethical business practices and customer transparency.
Every repair comes with a written Epp warranty, from 1 year to the lifetime of the structure depending on the product.
Answers to common questions about Drainage Systems.
Don't see your question here? Our team is happy to help. Reach out anytime.
Crawl Space Repair warning signs this solution resolves.
Each problem sign below is a symptom this solution is engineered to fix. See how we diagnose it before we recommend this method.
Groundwater Seepage
Epp Foundation Repair has been installing interior crawl space drainage and sump systems across Nebraska, Iowa, Kansas, and Missouri since 1994. The only permanent answer to seepage driven by a high spring water table.
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Standing Water
Epp Foundation Repair has been installing emergency crawl space waterproofing systems across Nebraska, Iowa, Kansas, and Missouri since 1994. Mold colonization begins on saturated joists within 48 to 72 hours of standing water.
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Moisture in Crawl Space
Epp Foundation Repair has been encapsulating crawl spaces across Nebraska, Iowa, Kansas, and Missouri since 1994, dropping relative humidity from 75%+ down to a stable 50 to 55%. The threshold where mold cannot colonize.
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Crawl Space Mold
Epp Foundation Repair has diagnosed crawl space moisture conditions across Nebraska, Iowa, Kansas, and Missouri since 1994. Mold spores exist in every crawl space. They only colonize when humidity stays above 60% for 48 hours or more.
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Deteriorating Insulation
Fiberglass batts drooping between your floor joists or falling to the crawl space dirt. The insulation itself is the symptom. The cause is humid air and ground moisture that the insulation can no longer hold back.
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High Energy Bills
Heating and cooling costs creeping up while your thermostat stays the same. A damp, vented crawl space pulls in outside air and lets conditioned air leak out through the floor. Your system runs longer to make up the difference.
Learn moreServing Nebraska, Iowa, Kansas & Missouri.
Local crews based in five regional offices, dispatched daily across four states. If your town isn't listed, call us: we likely serve your area.
- Omaha, NE
- Lincoln, NE
- Topeka, KS
- Sioux City, IA
- Bellevue, NE
- St. Joseph, MO
- Council Bluffs, IA
- Grand Island, NE
- Papillion, NE
- Kearney, NE
Take the first step toward a healthy home.
A straightforward path from initial inspection to completed repairs.
Schedule your inspection.
A local specialist visits your home, evaluates the foundation, and answers your questions on site. No cost, no obligation.
Receive an estimate based on your needs.
We provide a clear, Customized Repair Estimate with a scope of work tailored to your home's specific issues. Typically within one business day.
Get your repairs.
Our own trained crews complete the work on schedule and back it with a written Epp warranty, set out in your contract.
Over 1,700 homeowners have shared their experience.
A 4.9-star average across Google, with verified reviews from homeowners throughout Nebraska, Iowa, Kansas, and Missouri.
Two ways to start: book instantly, or request an estimate.
Schedule your inspection in seconds with our Driive booking tool, or share a few details and a local specialist will follow up within one business day.
- A local foundation specialist on site
- A complete walk-through of the findings
- A Customized Repair Estimate within one business day
- No cost, no obligation, no high-pressure sales
Expert guidance on protecting your home.
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Five regional offices across the Midwest.
St. Joseph, MO 64506