WASTEWATER
During nitrification in an aeration tank, which of the following parameters will decrease?
A. Alkalinity
B. Oxidation reduction potential, or ORP
C. Nitrate
D. Nitrite
Answer: A. As nitrification progresses through...
Editorial Articles
Displaying results 1749-1767 of 4152
Editorial
Monitoring and Instrumentation
Software helps improve plant data management
Problem: An aging SCADA system and a decrease in staff left an Ohio wastewater treatment plant with...
Editorial
Worth Noting - April 2018
People/Awards
The town of Clinton, Connecticut, received a $55,000 grant under the State of Connecticut’s Responsible Growth and Transit-Oriented Development Grant Program to...
Editorial
Energy efficient digestion
Aerobic digestion is often the second largest consumer of energy — after biological treatment aeration — at a wastewater treatment plant. With...
Editorial
Fix a leaking valve in minutes
A leaking valve can be a huge problem in a potable water system. Not only can the leak cause damage to surrounding...
Editorial
Georgia Students Get Feet Wet and Hands Dirty Learning the Importance of Water Quality
Change comes slowly when cleaning rivers and streams, so it’s up to the next generation to carry on the legacy of water...
Editorial
Cross-Training and In-House Improvement Projects Help the Carpinteria (California) Sanitary District Keep Quality Up, Costs Down
Cross-training staff in all facets of treatment plant operations, maintenance and laboratory analysis is yielding big dividends at the Carpinteria (California) Sanitary...
Editorial
Jim Baird Takes Pride in Helping Other Operators Become More Effective and Valuable
Jim Baird has a passion for operator education.
As engineering and operations manager for the Roseburg (Oregon) Urban Sanitary Authority, he manages the...
Editorial
A Major Award Makes It Official: This South Carolina Water Plant Is a Sustainable Operator
Winning an award for sustainability was not top of mind when Seneca (South Carolina) officials began to redesign their water treatment facility.
Ultimately,...
Editorial
A Utility District and School District Join Forces to Promote Water Careers to High School Students
The Lakehaven Water and Sewer District in Washington is collaborating with the Federal Way Public Schools to introduce the wastewater industry to...
Editorial
Structured Ceramic Media Boosts Emissions Control Efficiency in a Florida Biosolids Drying Facility
The regenerative emissions treatment system at the Buckman Regional Residuals Biosolids Treatment Facility suffered from frequent clogging of the ceramic block media.
The...
Editorial
A Treatment Plant's Settling Ponds Create an Attraction for Birds — and Bird-Watchers
The Clark Township Wastewater Treatment Plant has nearly 1,000 users in Michigan on the north shore of Lake Huron. With an average...
Editorial
Looking to Carry Your License to Other States? WEF Is Working to Pave the Way
It’s no secret that waves of operators are retiring and that water and wastewater utilities need replacements. It’s also no secret that...
Editorial
Hands-Off Monitoring
The cost of equipment monitoring technology is coming down; the technologies themselves are improving. In this environment, plant operations and maintenance people...
Editorial
How Will You and Your Agency Observe a Special Week Dedicated to Water?
It seems there’s an official month, or week, or day for almost everything. In April alone there’s Golden Rule Week, National Public...
Editorial
Exam Study Guide
WASTEWATER
Effluent quality improves in lagoon systems that are operated in which configuration?
A. Parallel arrangement
B. Series arrangement
C. Anaerobic only
D. Aerobic only
Answer: B. Lagoons operated in series tend...
















