Mandated Management
Storm Water Solutions
December 2009
By Roy Cook & Ron Horres
Prevailing over design and construction obstacles to control Pacific Northwest CSOs
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Separation Solution Triumphs
Storm Water Solutions
May 2008
By Gregory Heath, David Minard, Donald Walker, Amanda Roberts & Joshua Schimmel
Refining a Massachusetts city’s combined sewer overflow (CSO) relief plan using hydraulic modeling
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Collaborating for Control
Storm Water Solutions
April 2008
By Laura Wharton
Agencies invest in combined sewer overflow (CSO) efforts to protect environmental, human health
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Safe Harbor
Storm Water Solutions
April 2007
By Alec Mackie
Massive clean-up project to improve Halifax Harbor’s water quality
Avenue to Progress
Storm Water Solutions
February 2007
By Richard Blais, PMP
Innovative system updates wet and dry weather CSO monitoring
Think Natural
eStormWater.com
January-December 2007
Chris Kloss
Green infrastructure as a solution to storm water issues
Mission In The Rain
Storm Water Solutions
July 2006
By Tim Gregorski
Waterkeeper Alliance helps shape storm water programs across the country
Share and Share Alike
Storm Water Solutions
July 2005
Tim Gregorski, Editorial Director and Bill Wilson, Editor in Chief
The U.S. Environmental Protection Agency estimated in 2004 that the volume of combined sewer overflows discharged nationwide is 850 billion gal per year. Meanwhile, the EPA also estimated that sanitary sewer overflows, caused by blocked or broken pipes, result in the release of as much as 10 billion gal of raw sewage.
The Power to Separate
Water & Wastes Digest
March 2004
By Austin Meyermann
In stormwater applications, gravity separators catch and retain a variety of pollutants, such as sediments, oils, trash and organic debris. These systems intercept surface water runoff and are typically installed underground as part of the storm drain system.
In A Pinch
Water & Wastes Digest
February 2004
David Lavender
Today, there is legislation to eliminate combined sewer overflows. Heavy fines are levied by the EPA against communities that violate this law. The EPA has been reasonable with enforcement because the costs are great--not to mention that it will take time to expand the infrastructure. However, as municipalities and utilities have learned, eliminating overflow events is a must.
Flow Monitoring Springboards City to System-wide Sewer Management Solution
Water & Wastes Digest
April 2003
The forward-looking Metropolitan Sewer District of Greater Cincinnati (MSDGC) saw a dynamic model of most of Cincinnati's collection system as the tool that would support improved sewer system management, including sanitary sewer overflow (SSO) and combined sewer overflow (CSO) control, planning, and operations.
Meters - High-accuracy Stormwater, CSO Flow Monitoring
Water & Wastes Digest
July 2002
Ultrasonic transit-time flowmeters can be used to good effect for meeting specific site monitoring and documentation requirements by providing highly accurate and continuous flowrate measurement during dry- and wet-weather conditions.
Trends in Sewer Overflow Management
Water Engineering & Management
February 2001
Hubert Fleming, Ph.D., and David Slack
In this era of environmental stewardship, large cities and counties are faced with increasing pressure not only to deliver safe potable water supplies but also to treat combined and stormwater flows.
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Aerators Stop Odors in Chicago
Water Engineering & Management
January 2000
Chicago and its surrounding 51 communities cover an area of 375 square miles and have a population of over 3,000,000 people. This metropolis is served by a combined sewer network carrying both raw sewage and stormwater in a single pipe.
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