Trends in Monitoring
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November/December 2013 | www.stormh2o.com THE JOURNAL FOR SURFACE WATER QUALITY PROFESSIONALS IN THIS ISSUE: Atlanta’s Green Investment Resilient Communities Permeable Pavers Trends in Monitoring NEXT GENERATION STORMWATER FLOW CONTROL CCONTROL BACK-UPS & CSO’S DURINGD PEAK FLOW EVENTS WITH TTEMPESTTM INLET CONTROL DEVICES TTEMPEST LMF ThThe Tempest LMF system features a vortex inlet design that allows a low flow rate to be set and eliminates the passage of odors and floatables and allows for debris and sediment to collect in the structure. TEMPEST HF TEMPEST HF SUMP The standard Tempest HF system features allows a near constant discharge rate to be The Tempest HF SUMP set and eliminates the passage of odors and system is designed floatables and allows for debris and sediment for catch basins & to collect in the structure. manholes in which there is no sump or the outlet pipe is too low to install TEMPEST MHF standard Tempest device. The Tempest MHF is a standard orifice plate device designed to allow a specified flow volume through the outlet pipe at a specified head. www.ipexamerica.com Toll Free: 1-800-463-9572 Tough Products for Tough Environments® Products manufactured by IPEX Inc and distributed in the United States by IPEX USA LLC. TEMPESTTM is a trademark of IPEX Branding Inc. TABLE OF CONTENTS Stormwater November/December 2013 | Volume 14, Number 8 EDITOR Janice Kaspersen - [email protected] PRODUCTION EDITORS Brianna Benishek FEATURES William Warner IT / ONLINE SUPPORT Chris Pratt WEBSITE EDITOR Nadia English - [email protected] DIRECTOR OF ONLINE MEDIA & IT Jeffrey Pascone GROUP EDITOR John Trotti - [email protected] SENIOR ACCOUNT EXECUTIVES Mark Gersten Geoff Solo Michelle Maple ACCOUNT EXECUTIVES 22 Eileen Duarte Don Weimer Shane Stevens Cover photo: 30 Resilience: Glenys Archer Matthew Sullivan Communities SALES & MARKETING COORDINATOR COVER STORY Connect the Carmody Cutter 10 Trends in Stormwater Dots to Dodge ADVERTISING SALES MANAGER Monitoring Disaster Ron Guilbault - [email protected] By Carol Brzozowski By David C. SENIOR DESIGNER Richardson Deja Hsu 22 Atlanta’s Green PRODUCTION TECHNICIAN Investment 36 The David Naj Leveraging grant money to Principles of PRODUCTION MANAGER manage stormwater, curb Gravity Separation Doug Mlyn flooding, and reduce CSOs Part 2. Laminar settling, swirl ART DIRECTOR Judith Geiger By Margaret Buranen concentration, and flotation 30 DIRECTOR OF CIRCULATION By Gary R. Minton Steven Wayner - [email protected] MARKETING COORDINATOR, EDUCATION & TRAINING Departments Amber McEldowney - [email protected] PROGRAM MANAGER, EDUCATION & TRAINING 6 Editor’s Comments 54 Project Profi le: Comparing Jane Schuster - [email protected] Paver Performance at the DIRECTOR OF EDUCATION & TRAINING 8 Guest Editorial University of Minnesota Beth Tompkins - [email protected] CONFERENCE SALES & MARKETING 44 Project Profi le: Achieving 57 Marketplace Brigette Burich - [email protected] Silver at Brown Hall CONFERENCE DIRECTOR Scott Nania - [email protected] 44 57 Advertiser’s Index ACCOUNTANT / 48 ShowCase CHAIR, LOVE & HAPPINESS COMMITTEE 58 Reader Profi le Courtney Keele 53 Spotlight AR / AP Keith Rodgers STORMWATER (ISSN 1531-0574) is published eight times annually (bimonthly with an extra issue in May and October) by Forester Media Inc., 2946 De La Vina Street, Santa Barbara, CA FINANCE & HR MANAGER 93105, 805-682-1300, fax: 805-682-0200, e-mail: [email protected], website: www.forester.net. Periodical postage paid at Santa Barbara, CA, and additional mailing offices. All John Pasini - [email protected] rights reserved. No part of this publication may be reproduced in any form without written permission from the publisher. Entire contents ©2013 by Forester Media Inc. POSTMASTER: Please send address changes to Stormwater, 440 Quadrangle Drive Ste E, Bolingbrook, IL 60440. Changes of address can be completed online at www.stormh20.com/subscribe or mailed to OFFICE ADMINISTRATOR 440 Quadrangle Drive Ste E, Bolingbrook, IL 60440; please provide your mailing label or old address in addition to new address; include zip code or postal code. Allow two months for change. Editorial contributions are welcome. All material must be accompanied by stamped return enve- Kathy Martin lopes and will be handled with reasonable care; however, publishers assume no responsibility for safety of art work, photographs, or manuscripts. Every precaution is taken to ensure accuracy, PUBLISHER SIGN UP For Your Free Subscription but the publishers cannot accept responsibility for the correctness or accuracy of information Daniel Waldman - [email protected] supplied herein or for any opinion expressed. Subscription rates: Eight issues of Stormwater Go online for new subscriptions, are $76 per year in US, $95 in Canada, $160 elsewhere. Send the completed subscription card renewals, or change of address. with a check to Stormwater, 440 Quadrangle Drive Ste E, Bolingbrook, IL 60440. Reprints: For custom reprints or digital reuse, please contact our reprint partner, The YGS Group, by calling www.stormh2o.com 717-505-9701, ext. 100, or via e-mail at [email protected]. Articles appearing in this journal are indexed in Environmental Periodicals Bibliography. Back issues may be ordered (depending on available inventory) for $15 per copy in US, $20 in Canada, $35 elsewhere. Scan here to share this or subscribe Send written requests for back issues along with check or money order in US funds payable to later. Get the app at http://gettag.mobi Stormwater, PO Box 3100, Santa Barbara, CA 93130, USA. Provide address to where the copies should be shipped. Allow six weeks for delivery. 4 November/December 2013 www.stormh2o.com EDITOR’S COMMENTS EDITORIAL ADVISORY BOARD Roger Bannerman Environmental Specialist One Word: Wisconsin Department of Natural Resources Madison, WI Laureen M. Boles Plastics Office of Watersheds Philadelphia, PA By Janice Kaspersen Dave Briglio, P.E. Senior Water Resources Engineer t’s no secret that plastic litter in lakes for how to deal with it. One is a report titled EA Engineering, Science & Technology Inc. and oceans is a growing problem. “Stemming the Tide of Plastic Marine Litter: Hunt Valley, MD Ocean currents cause it to accumu- A Global Action Agenda” from the UCLA Dirk S.G. Brown, J.D. late in certain areas; the Great Pacifi c School of Law’s Emmett Center on Climate Regulatory Compliance Advisor Garbage Patch is now about the size Change and the Environment and UCLA’s Department of Public Utilities Iof Texas, and we’re adding an estimated 20 Institute of the Environment and Sustain- City of Columbus, OH million tons of plastic to our waters every ability. It contains several ambitious recom- Patrick S. Collins, P.E. year. Last year, researchers at the University mendations, such as an international treaty Engineering Department Director/ of Delaware showed that the oceans contain for monitoring plastic debris, local bans on City Engineer more plastic—up to two and a half times the most common and dangerous types of Valdosta, GA more—than we previously thought, because plastic litter, placing more long-term respon- Thomas R. Decker, P.E., M.S.C.E. it not only fl oats on the surface but also is sibility on the producers of plastic products, Director of Water Resources abundant at depths of 20 meters or more, and an “ocean friendly” certifi cation program Jacobs Engineering Group Inc. where we hadn’t previously measured. for those products. Morristown, NJ Plastic doesn’t biodegrade, but The other report has a bit narrower instead breaks down into smaller focus, but also offers a solution Gordon England, P.E. Applied Sciences Consulting Inc. and smaller pieces, which in which ordinary consum- Cocoa Beach, FL are more easily ingested by ers can take part. The 5 birds, fi sh, and other marine Gyres Institute, a nonprofi t Bruce K. Ferguson, FASLA life—entering the human group dedicated studying Professor & Director, School of food chain as well. Studies and solving the plastics- Environmental Design University of Georgia Athens, GA from the Scripps Institu- in-the-ocean problem, tion of Oceanography and has published research Jerry Hancock, CFM from NOAA have shown on “micro-plastics,” or tiny Stormwater and Floodplain Programs that between 9% and 12% grains of polyethylene and Coordinator City of Ann Arbor, MI of ocean fi sh have ingested polypropylene, that are found plastic, and that percentage can in high concentrations in the Masoud Kayhanian, Ph.D. be much higher for some species. Great Lakes and elsewhere; personal Dept. of Civil and Environmental Engineering Part of the problem is trash: items made care and beauty products are apparently a University of California from plastic and Styrofoam are discarded major source. Several companies—Procter Davis, CA and end up in the waterways. From a storm- & Gamble, Johnson & Johnson, The Body Brant D. Keller, Ph.D. water management perspective, we can Shop, Colgate-Palmolive, and Unilever— Director of Public Works and Utilities do something about these, intercepting the have agreed to phase out the use of these Griffin, GA debris in catch basin inserts or larger trash- micro-beads in their products. 5 Gyres, in G. Fred Lee, Ph.D., P.E., capturing devices. But the plastics come partnership with similar organizations, has B.C.E.E., F.ASCE from other sources as well; for example, the also developed an international mobile app President, G. Fred Lee & Associates small plastic pellets, or “nurdles,” used in the that allows consumers to scan barcodes of El Macero, CA manufacture of plastic goods are sometimes personal care and beauty products to see mishandled or improperly disposed of, whether they contain micro-beads, as well Gary R. Minton, Ph.D., P.E. escaping from factories, trucks, and railroad as whether the manufacturer has agreed to Stormwater Consultant Seattle, WA cars. Even more insidiously, it now appears phase them out. tiny plastic beads used in personal care prod- An increasing number of cities have Betty Rushton, Ph.D.