What Is a Grade Differential in Stormwater Compliance?

Construction sites are rarely flat. Changes in elevation across a site can affect how stormwater moves, where runoff concentrates, and which erosion and sediment controls may be appropriate. One term that often comes up when discussing site grading and stormwater...

Concrete washouts: Are They Actually Working?

Concrete washout areas (CWAs) are a common Best Management Practice (BMP) on construction sites, particularly on projects involving concrete foundations, slabs, curbs, sidewalks, or other concrete work. Their purpose is to provide a designated location where concrete...

Perimeter Controls: Are They Actually Working?

Perimeter controls are one of the most common Best Management Practices (BMPs) used on construction sites to keep sediment from leaving disturbed areas. From silt fences and straw wattles to more substantial perimeter controls, these measures create a barrier between...

What Happens When Your SWMP Doesn’t Match Field Conditions?

A Stormwater Management Plan (SWMP) is one of the most important documents on a construction site. It outlines how stormwater runoff will be managed, identifies the Best Management Practices (BMPs) being used, and serves as the roadmap for maintaining compliance...