The Stormwater Blog

In part one of this series (Is 40% a Reliable Number?), we examined new research that showed the generally accepted number of 40% porosity (also hereby referred

Stormwater detention systems often include a large portion of the storage volume within the voids of the backfill material. Depending on the underground

One of my favorite summer activities is floating in the water and looking up to the sky. For some, like me, floating can be relaxing, but for others, floating

Many say that if it looks and quacks like a duck, then it’s probably a duck. When you visualize a biofilter, you might envision bioretention cells, rain

Contech has published several blog posts that refer to corrugated metal pipe (CMP) for underground storage of stormwater. We were a bit surprised when some

Nearly twenty years ago, when I was cutting my teeth in a stormwater research and development laboratory, the debate over the most appropriate method to measure

Whether you are involved with the design, installation or the manufacture of stormwater BMP’s, the key ingredient to a successful project is communication.

Corrugated Metal Pipe (CMP) is the construction material of choice for underground stormwater detention and infiltration projects. With its low cost, a wide

In last month’s blog post, we took a look at the Point on a Curve sizing methodology. In this month’s post, we will look at the other common HDS sizing

Proper sizing of hydrodynamic separators (HDS) should start with checking applicable regulations. In many cases, local or state regulations will dictate how to