It’s always appealing to contemplate natural rather than chemical methods to regulate nuisances. There are insects that when released into marshes infested...
Blogs
Can duckweed work miracles?
Treatment
Displaying results 1582-1598 of 1851
Online Exclusives
Severn Trent Services to present four papers at NYWEA 2013 Annual Conference
Severn Trent Services, a leading global supplier of water and wastewater solutions, will present four technical papers at the upcoming New York...
Online Exclusives
Severn Trent Services to present four papers at NYWEA 2013 Annual Conference
Severn Trent Services, a leading global supplier of water and wastewater solutions, will present four technical papers at the upcoming New York...
Blogs
What’s in the water? What to do about it?
Water treatment is getting more complicated – utilities today must deal with contaminants hardly thought of or nonexistent years ago. One of...
Editorial
Big on Performance
For a facility serving a population of 3,300, the City of West Liberty (Iowa) Wastewater Treatment Plant handles large flows and...
Editorial
Phosphorus Control System Regulates Chemical Dosing in Real Time
While some wastewater facilities adjust their phosphorus-control chemical dose based on flow or by setting a fixed dose rate, the ability...
Editorial
You Operate a Power Plant
Wastewater operators have spent many hours telling the public how their plants make two great products: Clean water and valuable...
Editorial
When the Numbers Don’t Add Up
The plant operator was at his wits' end. The sludge just wouldn't settle, no matter how he tried to control...
Editorial
The Ultimate Reuse
The lake that supplies drinking water to Brownwood in Central Texas was at historic low levels last summer, and the...
Editorial
Measure and Manage
An upgrade converted the 200,000 gpd New Castle (Colo.) activated sludge wastewater treatment plant to a 600,000 gpd Kruger AnoxKaldnes...
Editorial
Going Gridless
When California's South Coast Air Quality Management District enacted part of Rule 1110.2 in 2008 covering operation of engines fueled...
Editorial
Biosolids Management and Headworks
Temporary belt press provides relief
Problem
The dewatering equipment at the Grand Chute-Menasha West Wastewater Treatment Facility in Neenah, Wis., had to be...
Online Exclusives
Severn Trent Services supplies filter underdrain system to Missouri water treatment plant
Severn Trent Services was awarded a contract to supply its TETRA LP Block filter underdrain system for the City of Kansas City,...
Editorial
A Truly Bad Actor
The U.S. EPA is studying the effects of low concentrations of chromium (VI) — hexavalent chromium — in drinking water.
Because of the...
Editorial
Fluoridation: A Better Way?
Efficient, cost-effective addition of fluoride to drinking water is increasingly important as the U.S. EPA and Department of Health and...
Editorial
Source Correction
The City of Bellingham, Wash., relies on Lake Whatcom to supply drinking water for its 87,700 residents. Also popular for...
Editorial
One of a kind
When the City of Steubenville's new water treatment plant started up in August 2007, the operators were challenged with learning...