Overview
The State of Delaware’s Department of Natural Resources and Environmental Control oversees a uniform statewide bioretention soil referred to as Bioretention-14 or B-14 Biosoil. Suppliers must provide regularly updated testing to DNREC in order to be on the department's pre-approved list to supply this product. Bio-Retention Soil is a stormwater management tool designed for the purpose of capturing runoff and reducing damaging surface flooding while also preventing floodwater from entering natural waterways. Bio-Retention Soil reduces runoff rates by increasing stormwater infiltration. This process also removes contaminants such as sediments, nutrients, hydrocarbons, metals and bacteria from stormwater.
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Ingredients
B-14 Biosoil is made from a blend of course sand, mulch and STA Certified Compost. This blend must conform to a list of technical standards and specific ranges of performance criteria.
Benefits
A manufactured soil media designed to support stabilizing plant life while capturing and infiltrating and filtering potentially contaminated stormwater runoff. Designed to meet specific performance criteria through specified texture, permeability and nutrient requirements and locally sourced from recycled materials
Benefits at a Glance
- Organic Matter
- Nutrients
- Biology
- Water Holding Capacity
- Improves Soil Structure and Porosity
