The Stormwater Blogs

SW Editor's Blog

August 11th, 2008 6:46am PST

BMPs and the Bigger Picture

Posted By Janice Kaspersen 5 Comments

“BMPs and the Bigger Picture” was the subject of one of the panel discussions at StormCon last week in Orlando. Five panelists—Bill Hunt from North Carolina State University; Andrew Reese of AMEC Earth & Environmental; Robert Roseen from the University of New Hampshire’s Stormwater Center; Tom Schueler, founder of the Center for Watershed Protection and currently the coordinator of the Chesapeake Stormwater Network; and Nikos Singelis of the USEPA—addressed a number of questions about where stormwater BMPs are headed.

Among the questions prepared by Andy Reese, the panel moderator, was what will affect the development of BMPs over the next five years, and what should people be doing now to prepare their programs for the changes ahead. The panelists took turns throwing out ideas, a couple dozen in all, and the audience of about 200 voted on them. Some panelists thought we’ll be taking a more holistic approach to BMPs, looking at the entire watershed and focusing more on the effects of BMPs on habitat. Some said that life-cycle maintenance costs—not just purchase or installation costs—will have much greater influence, especially as we develop a better idea over time of what those costs really are. (Probably the most welcome answer, though, came from Tom Schueler, who predicted the term “BMP” itself will meet its demise in the next five years.)

We gave you a chance before the conference to submit questions for the panel. Here’s your chance to provide some answers, if you weren’t part of the onsite audience. What do you think will be the most significant trends affecting BMPs?

 

What Do You Think?

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tom hegemier

August 13th, 2008 9:37 AM PT

To see significant change in water quality protection features (I agree, the term BMP should go away), there needs to be more experienced stormwater designers that can create plans to distribute stormwater management throughout the site, instead of relying on end-of-pipe techniques. It's easy for engineers to pull the standard designs from the CAD library and drop them into the plans and being a competitive engineering marketplace, it can be challenging to deviate from this business model. Running hand-in-hand with this is more flexibility from the regulating agencies to adopt distributed stormwater management criteria to ensure a more certain permitting process for all parties.

Chris@estesdesign.com

August 13th, 2008 11:00 AM PT

I agree the that change begins with experience. Projects should involve key water quality design specialists. Unfortunately the regulators are dragging behind the science and have caused some stagnation in the past.

esph2ogp

August 25th, 2008 8:43 AM PT

Greater quantity and quality of BMP monitoring data should have a significant influence on BMP development in the next five years. Localities that are now coming into compliance with NPDES Phase 2 will significantly enlarge the knowledge base of BMP effectiveness relative to the wide varieties of climates and soils where they are applied.

Gordon

August 26th, 2008 11:03 AM PT

Sometimes we lose track of the other side of stormwater, that pesky flooding and volume problem. It was brought back to light last week in Florida with record rains of 12" - 32" in many areas. Most of the masterplanning and retrofit projects I have built over the years were to address flooding first and water quality second. For new development, LID will lead to smaller ponds, but you still need ponds (BMPs) to stop flooding and match those pre vs post discharge rates. LID will not offset that. To retrofit old built out areas in downtown areas, ditches, pipes, and regional lakes are the only way to reduce flooding, and oh yeah- provide some water quality. Those type of BMPs are here to stay. As Eric Livingston says - Flooding drives the bus.

billragen

September 9th, 2008 10:28 AM PT

Perhaps the biggest change that I see coming will be the increased use of porous pavements (PP) and infiltration practices. Many of the problems associated with PP are being dealt with and new technology such as FilterPave is coming fast. Preventing or minimizing runoff is less expensive than dealing with it at the end of a pipe.

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