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Storm Drain Lateral Replacements & New Installations

Storm drain lateral replacement and installation provide a reliable underground path for moving rainwater away from buildings, yards, parking areas, and other surfaces. Damaged or poorly designed drainage lines can contribute to recurring flooding, standing water, erosion, and water intrusion.

A storm drain lateral may need replacement when cleaning can no longer restore dependable flow or when camera inspection identifies structural damage.

Signs a Storm Drain Lateral Is Failing

Common signs include:

  • Recurring flooding
  • Standing water after rainfall
  • Collapsed pipe
  • Severe root intrusion
  • Broken or separated joints
  • Sinkholes above the drainage route
  • Repeated sediment blockages
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Storm Drain Camera Inspection Before Replacement

Camera inspection helps determine the extent of the damage and whether replacement is necessary.

Line locating can identify the route and depth of underground piping so the excavation can be planned more accurately.

New Storm Drain Installation

New drainage systems may be installed to serve:

  • Catch basins
  • Area drains
  • Trench drains
  • Downspout connections
  • Courtyards
  • Parking areas
  • Landscape drainage

Proper sizing and grade are essential. A pipe that is too small or does not maintain adequate slope may struggle during heavy rain.

A storm drain should be designed to move water to an approved discharge point, not merely relocate standing water from one part of the property to another.

Residential Storm Drain Installation

Residential systems may address water collecting near foundations, garages, patios, driveways, or low areas of a yard.

Drain placement should reflect actual grading and runoff patterns.

Commercial Storm Drain Lateral Replacement

Commercial sites often manage significantly larger runoff areas, including roofs, parking lots, loading areas, and paved courtyards.

Drainage work should consider vehicle traffic, access, sediment loads, and maintenance requirements.

Cleanouts and Maintenance Access

New installations should include appropriate access so future cleaning and camera inspection can be performed without extensive excavation.

Catch basins can also provide collection points for sediment before material enters downstream piping.

Replacing Old Drainage Pipe

Older storm drains may use materials that have cracked, separated, or deteriorated over time.

Replacement provides an opportunity to improve alignment, pipe material, cleanout access, and connections.

Long-Term Drainage Performance

Storm drain replacement is most effective when the entire drainage path is considered—from where water enters the system to where it ultimately discharges.

Replacing a failed lateral without addressing clogged catch basins or an inadequate outlet may leave the larger drainage problem unresolved.

A properly designed and installed storm drain lateral can help protect buildings and exterior improvements by directing runoff efficiently away from areas where standing water can cause damage.

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