WASTEWATER
By Rick LallishDuring a visual inspection of the activated sludge aeration basin, you notice that a stiff white foam has formed on...
Entries Tagged Aeration Basin
Editorial
Guess How Much This Plant Had to Invest for Permit-Compliant Nutrient Reduction
Everything was running fine at the Lake Stevens Sewer District. Then the Washington Department of Ecology imposed a new permit limiting total...
Editorial
A Net-Zero Trifecta: Power, Effluent, Biosolids
Significant progress toward net-zero power consumption with solar energy only made the staff at the Town of Windsor Water Reclamation Facility in...
Editorial
Gear-Driven High-Efficiency Blowers From Inovair Deliver Substantial Savings
For years the Paducah McCracken County Joint Sewer Agency dealt with too much or not enough air supply in its clean-water plant’s...
Editorial
The Nation's Top Region for Biosolids Land Application Now Has Its Own Advocate Organization
Midwestern utilities arguably land-apply more biosolids than those in any other region of the country. So it only makes sense that the...
Editorial
Life Is Never Dull for This New Hampshire Operator and His Team. There's Always a Project That Needs Their Expertise.
When it came time to build a SCADA system for the Allenstown Wastewater Treatment Facility, the plant team didn’t have to look...
Editorial
Smart Energy Improvements Include More Efficient Mixing for a Denitrification Process
Replacing anoxic zone mixers with much more energy-efficient units is saving more than $22,000 per year for a water pollution control facility...
Editorial
Revenue from Septage Keeps a Clean-Water Plant Financially Sound After a Major Discharger's Departure
The Richmond clean-water plant was humming along just fine until the Vermont town’s creamery shut down in 1999.
“With the creamery, our flows...
White Papers
Retrofitting Aerated Grit Basins to HeadCell Grit Removal Performance
When upgrading a plant, increasing capacity or installing a new treatment process, minimizing construction costs and footprint are always important goals. One...
Editorial
Many people helped Shelly Higdon advance in her career. Now she takes time to pay it forward.
What does a career spanning more than three decades in one place look like? Ask Michele “Shelly” Higdon, laboratory manager for the Shelbyville (Indiana)...
Editorial
Exam Study Guide - December 2019
WASTEWATER - By Rick Lallish
During an afternoon plant walk-through, you notice a thin, light-tan foam covering approximately 10% to 25% of the aeration...
Editorial
What Makes This Florida Clean-Water Plant Successful? You Can Sum It Up in One Word.
Mark Darmanin will tell you there’s a simple reason for the success of the North Regional Wastewater Treatment Plant in Broward County,...
Videos
See How This Plant Saved Spring Hill $70,000 on Renovations
Utility Superintendent Jim Boyer of the Spring Hill (Kansas) Wastewater Treatment Plant takes viewers on a detailed tour of the facility. This...
Editorial
How Ordinary Attention to Detail Wins Awards
As a teenager working at the Marshall Southeast Wastewater Treatment Plant, Rick Bailey got a lesson about quality work.“My boss was Harold...
















