September 2004

API separator sludge in hydrocarbon and petrochemical applications is heavy and viscous, therefore chain and flight collector components must be equally heavy duty. A number of collector chains and flights are available. WWD readers should use the...
Terrorism is a threat increasingly on the minds of the American public, and the staff of the Henry County (Ga.) Water & Sewerage Authority (HCWSA) continues to prepare for the possibility of such events occurring in the future. Staff at the HCWSA...
On any given day at the village of Addison’s (Ill.) South Wastewater Plant, operators have no idea what’s coming down the influent pipe. With a combined storm system and sanitary sewer lines, the 20-in., inlet pipe can go from a trickle to raging water...
The Mishawaka (Ind.) Utilities Water Division’s two-phase expansion included two new water treatment facilities and underground wells as well as a new automated control and reporting system. Bruno Trimboli, assistant manager of Mishawaka (Ind.) Utilities...
Well before the E. coli outbreak tragedy in Walkerton, Ont., in May 2000, the Region of Halton in southwestern Ontario had a history of providing high quality drinking water to its residents. To maintain its high standard for water quality, the region...
PDAs have been around for a few years now and have evolved to the point that many are even more powerful than the top of the line laptop computers made available to the water and wastewater industry the past few years. Generally, most PDAs have...
Located in the town of Wells on Maine’s southern coast, the Wells Sanitary District provides treatment for up to 2.0 million gallons of wastewater per day. Originally constructed in the late 1970s, the treatment facility underwent a major refurbishment...
Many water and wastewater laboratories throughout the UK are switching their E. coli sludge testing procedures from traditional most probable number (MPN) methods to a rapid microbiological test, the Colilert-18/Quanti-Tray/2000 designed and manufactured...
Can an automatic sampler last 15 to 20 years? For vacuum pump samplers, the answer is “yes” as it is not uncommon for users to report that vacuum sampler models last in excess of 20 years. It is possible simply because a vacuum samplers parts have a...
Does this sound familiar? Your lagoon is filling with both primary and secondary sludge, and will be at capacity within the next two years. Paragould, Ark., a growing city of 22,500 located in northeast Arkansas, had just that problem. Due to rapid...

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