Case Study: Carthage Channel


Case Study Overview

Project: Carthage Channel
Location: Carthage, MO, United States
Project Type: Shoreline Reinforcement
Application: Channel Lining for Flood Protection
Product Used: PYRAMAT®

Photo showing channel erosion which was causing risk of property loss.


This storm drainage channel spans more than 500 feet between a residential area and a grade school playground. Drainageway flows exceeding 14 feet-per-second during large storm events was causing channel erosion and a risk of property loss.


PYRAMAT® 75 High Performance Turf Reinforcement Mat was chosen over 4-inch concrete paving to protect the drainageway because its reinforced vegetative system offered a more aesthetically pleasing, safe, and environmentally friendly solution at a much lower cost. The drainage channel was graded and seed was broadcast on the subgrade prior to the installation of the PYRAMAT® 75.

Photo showing PYRAMAT 75 used on channels to protect and maintain usable property.



Photo showing vegetation five weeks after installation of PYRAMAT 75 with Hydroseed applied to PYRAMAT HPTRM.


One year after the installation, the channel is fully vegetated. The channel is very effective in conveying and filtering storm water runoff, and is easily maintained and mowed.

Visit the PYRAMAT® product page to learn more about this Propex® GeoSolutions product.
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