Laguna Niguel, CA
Concrete Cloth™ Erosion Control and Trail Drainage Rehabilitation

Project Overview
In Laguna Niguel, California, the Public Works department was challenged with a drainage and erosion issue for a popular walking trail in a public park.
The trail, which runs across a sizeable slope, was prone to constant damage and
erosion from water run-off. Previously, the captured run-off was directed to a point where it was dissipated with sandbags and riprap before entering a surface inlet leading to a drain pipe. This system frequently clogged with sediment and debris.

In addition to solving the drainage issues, Public Works also looked to reconfigure the inlet with a more substantial and long-term solution that would enable sediment collection and allow the “cleaned” run-off to flow into the drainage pipe.

The resultant damage from water erosion of the trails, as well as the constant need to replace rotting sandbags, created a significant amount of annual maintenance. This maintenance was absolutely necessary though in order to prevent flooding into the residential neighborhood downslope and adjacent to the park.


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