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Cassity to Present at Wastewater Administrators Conference
Donohue’s Nathan Cassity is one of the presenters featured at the upcoming Wastewater Administrators Conference held by the Michigan Water Environment Association on January 22-23. Nathan’s presentation titled “Low Level DO Operations: Impact on Energy, Nutrients, and Ecology” examines two full scale facilities that operate consistently under low DO (dissolved oxygen) conditions (DO setpoints less than 1 mg/L): the Trinity River Authority (TRA) Central Regional Wastewater System (CRWS) Treatment Plant in Texas and the Stevens Point, Wisconsin, Wastewater Treatment Plant.
Challenging the Limits of Technology
An article by Donohue’s Eric Lynne, Leon Downing, and Bill Marten in the January 2015 issue of “WE&T” magazine examines the expectations for disc filtration systems...
Operator Essentials: What Every Operator Should Know About Biological Nutrient Removal
In the October 2014 issue of “WE&T” (Water Environment & Technology) magazine is an article by Donohue’s Bill Marten that has been garnering considerable praise from...
Donohue Staff Presenting at Water Association Conferences
The Central States Water Environment Association and the Indiana Water Environment Association are holding their annual conferences this week...
Cassity to Present at MWEA Sustainable Energy Seminar
The Michigan Water Environment Association (MWEA) has a newly formed Sustainable Energy Committee which consists of members interested in energy matters related to water and wastewater...
CSWEA Global Initiative: Piedras Blancas, Costa Rica
The Central States Water Environment Association (CSWEA) has launched a Global Initiative program to help solve water treatment and environmental issues around the world. The program’s chairperson is Donohue’s Eric Lynne. The first project that the Initiative has undertaken is addressing the wastewater treatment challenges in the small community of Piedras Blancas, Costa Rica.
Plant Profile: Western Lake Superior Sanitary District WWTF
The Western Lake Superior Sanitary District (WLSSD) wastewater treatment facility is the featured Plant Profile in the Fall 2014 issue of the “Central States Water” magazine. The WLSSD was established in 1971 and has a cultivated a reputation for innovative pollution prevention strategies while serving 17 Duluth area communities and four large industrial customers on the western edge of Lake Superior.
Join Donohue Professionals at WEFTEC Technical Sessions
Join our Wastewater Professionals as they discuss the latest industry trends. Donohue is well-represented at this year's WEFTEC conference in New Orleans.
Low DO Operation at TRA Featured in Texas WET
The July/August 2014 issue of Texas WET magazine recently profiled low dissolved oxygen (DO) operation and its impact on reduced energy consumption and nutrient removal at the Trinity River Authority of Texas (TRA) Central Regional Wastewater System. The article, “Low DO Operations: Impacts on Airflow, Nitrification, and Ecology” was co-authored by Leon Downing, Donohue & Associates; Mike Young and David Terrill, Trinity River Authority; and Jason Crawly, Freese and Nichols. Downing was instrumental in process modeling and analysis.
Donohue Welcomes Michael Harvey, PE
Michael Harvey, PE, recently joined Donohue’s Chicago office with more than 30 years of experience in engineering, project management and client service. He has led the planning, design, and construction of water, wastewater, and stormwater projects throughout the Midwest.
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