When the Newtown (Conn.) Wastewater Treatment Plant had trouble meeting its nitrogen limit, the plant manager, operator and mechanic worked as a...
Dissolved Oxygen System Articles
Editorial
Process Chemistry/Lab Analysis
Formulation consumes organic solids
Problem
Biosolids buildup in the anaerobic lagoons at the Mount Olive (N.C.) Wastewater Treatment Plant was lowering storage capacity.
Solution
Operators removed...
Editorial
25 Percent Savings, Just Getting Started
Federal stimulus funds paid the bill and the people of Ogdensburg, N.Y., will reap the rewards from a $1.1 million upgrade to...
Editorial
It's All About Focus
The City of Leominster (Mass.) Water Pollution Control Facility has gone 25 years without a lost-time accident, which statistically makes it one...
Editorial
Digital Technology
Chlorine analysis
The SC400 colorimeter from Orbeco-Hellige can test two ranges of free and total chlorine — 0.01-2.0 mg/l and 0.1-8.0 mg/l. Users...
Editorial
Goal Oriented
Shane McCannon knows an opportunity when he sees it. Driving by the local wastewater treatment plant as a teenager, he often thought...
Editorial
Ahead of the Curve
When the Western Racine County (Wis.) Sewerage District upgraded the capacity of its activated sludge extended aeration treatment plant from 1.3 to...
Editorial
Monitoring and Instrumentation
Electromagnetic flowmeters
FMG600 Series electromagnetic flowmeters from Omega Engineering measure conductive liquids. The meters have no moving parts and a PTFE lining. Standard...
Editorial
Process Chemistry/ Laboratory Analysis
Automated analysis
The ProcessLab from Metrohm USA is a fully customizable, automated at-line analysis system for QA/QC testing. It uses Windows-like software and...
Editorial
Worth the Wait
Eighty-year-old aeration basins, 30-year-old equipment, no methane production from the digesters. The City of Two Rivers, Wis., had many reasons to upgrade...
Editorial
A Lot of Ingenuity
For years, operators at the Suffield Water Pollution Control AUTHORITY wastewater treatment plant tried in vain to meet increasingly stringent total nitrogen...
Editorial
Engineering, Consulting and Contracted Services
Planning, design, construction management
Carollo Engineers provides planning, design and construction management services for municipal clients. Services include solids handling facilities from...
Editorial
Going Beyond Green
An upgrade to the Rome (N.Y.) Wastewater Treatment Plant that allows for the treatment of specialized waste helped attract a new business...
Editorial
Less Is More
At the RAE Water & Sewer District near Bozeman, Mont., just two operators do all the work at a 70,000 gpd activated...










