Stormwater Products in Action! with Kevin Good from the Coleman Moore Company

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Key Points Discussed Timestamps & Key Topics

[00:04:00] – NRCS Project: Riverbank Armoring Without Riprap

• Eroding farmland and an at-risk road along the West Fork of the Des Moines River

• Used Tesco units filled with native soil and armored with ArmorMax

• Entire project required zero imported aggregate

“This entire couple thousand feet of riverbank required exactly zero aggregate.” – Kevin Good

[00:14:00] – Extreme Rainfall: Highway Armoring with Flexamat

• Interstate 680 (Iowa) vulnerable to Missouri River overtopping

• 3 miles of Flexamat installed to prevent scour and failure

• Fast response using asphalt and soil over tied concrete mats

“We didn’t even get the mat all the way in before the water came again.” – Kevin Good

[00:25:00] – Bridge Scour Protection: 2-Ton Rock Bags

• Wisconsin DOT bridge on Lake Superior had up to 14 feet of scour

• Installed 100+ two-ton rock bags using a rowboat and crane

• Allowed sediment to filter in and stabilize the footings

“You can’t use geotextile in the middle of a stream—but you can use these.” – Kevin Good

[00:34:00] – Aging Infrastructure: Concrete Canvas in Culverts

• Henry County’s 84" culvert had rusted out at the invert

• Installed concrete canvas lining in one day

• Local crews saved over $110,000 vs. full replacement

“If you catch it early, you can fix a culvert for a tenth of the price.” – Kevin Good

[00:41:00] – Irrigation Canal Lining with Concrete Canvas

• Twin Loops Irrigation District in Nebraska

• Used 6-foot-wide rolls to reline cracked concrete canals

• Installed in rainy conditions with minimal crew

“We rolled out new material and gave this canal another 100 years.” – Kevin Good

[00:47:00] – Stormwater Inlet Protection: A Source Control Case Study

• Des Moines neighborhood tracked sediment from just two inlets

• Over 200 lbs of dried sediment collected in one year

• Led to public education campaign for homeowners

“One month the fire department had to respond—the storm sewer was on fire from dried sediment and hydraulic fluid.” – Kevin Good

Key Quotes

• “If you catch it early, you can fix a culvert for a tenth of the price.” – Kevin Good, on using Concrete Canvas to repair rusted culverts before failure

• “This entire couple thousand feet of riverbank required exactly zero aggregate." – Kevin Good, describing an NRCS riverbank stabilization project using Tesco units and ArmorMax 

• "The mat will hold up to the hydraulics… and not undermine the interstate." – Kevin Good, on Flexamat being used to protect Iowa highways from overtopping

• "You can’t use geotextile in the middle of a stream—but you can use these." – Kevin Good, on deploying 2-ton rock bags for bridge scour protection in flowing water

• “One month the fire department had to respond—the storm sewer was on fire from dried sediment and hydraulic fluid.”  – Kevin Good, recounting a dramatic moment during inlet filter testing in Des Moines

In this episode of the Stormwater World Podcast, host Ty Garmon talks with Kevin Good from Coleman Moore Company. Kevin shares real-world stormwater project insights, showcasing practical solutions for erosion control, culvert rehabilitation, and flood resilience. From riverbank stabilization using ArmorMax and Tesco units to highway protection with Flexamat and bridge scour repair with two-ton rock bags, Kevin walks through field-tested applications that save time and money. He also discusses innovative uses of Concrete Canvas in aging infrastructure and irrigation canals, as well as stormwater inlet protection efforts tied to public education. Packed with visuals,