Red Flint Sand & Gravel

Red Flint Sand and Gravel, LLC, headquartered at 615 Short Street in Eau Claire, Wisconsin, has produced processed filtration and industrial media for over 100 years. The company specializes in sand, gravel, anthracite, garnet, and Greensand Plus filtration media for municipal and industrial water treatment systems, emphasizing very low uniformity coefficient values and tight specification adherence for consistent particulate removal performance with low acid solubility. Core water treatment products include standard and custom filter sand, support gravel, anthracite filter media, garnet filtration media, and Greensand Plus for iron and manganese removal. Each product is processed to meet AWWA and ANSI/NSF standards with consistent grain size distribution. Beyond filtration, Red Flint supplies well pack sand and gravel, geothermal sand, pipe and tank bedding sand, mineral fillers, and industrial filtration media. The company also serves niche markets with pool filtration sand for commercial and residential applications, sports surface products for golf courses and equestrian facilities, packaged concrete products, traction sand, and agricultural products. Red Flint provides a comprehensive suite of support services including media and aggregate laboratory analysis, pilot testing material supply, technical specification review, media installation quality assurance, submittals, custom sizing, budgetary quotes, and logistical coordination for delivery to project sites.