A few weeks ago, I searched the term “stormwater” on Google News, and what did I see? Nearly a third of the results were articles about stormwater utilities.

Engineers widely use plastic chambers for retention and/or infiltration of stormwater.  These systems are comprised of rows of open bottom arch-shaped chambers

Bioretention has been the principal form of Low-Impact Development (LID) used to slow, treat, retain and infiltrate stormwater runoff, mimicking a site's natural, pre-development hydrology. One aspect of bioretention that has some scientists and regulators concerned is the phenomenon known as nutrient leaching. Nutrient leaching occurs when the bioretention media, which often contains compost, breaks down and releases phosphorus to downstream receiving waters.

It's hard to believe, but it has been almost twenty years since Filterra bioretention was introduced as a high-flow stormwater treatment system. For those that

If you are involved in any aspect of stormwater management, no doubt you have heard the phrase "impaired waters."  The determination and subsequent listing of a