May 15, 2014

May 2014

The water supply for 42 communities in the metropolitan Boston area currently is treated at the Massachusetts Water Resources Authority’s  (MWRA) 405-million-gal-per-day (mgd) John J. Carroll Water Treatment Plant in Marlborough, about 25 miles west of…
The 133rd Annual Conference & Exposition (ACE14) organized by the American Water Works Assn,  held June 8 to 12 in Boston, will offer the best solutions to meet the changing needs of the global water community with 18 professional tracks and eight…
Arched culverts made of bolted-together corrugated metal plates are a common feature in Ohio’s sewer infrastructure. “We have quite a few of them,” said Doug Gruver, P.E., a project engineer for the Ohio Department of Transportation (ODOT). “Overall,…
Seattle Public Utilities has a reputation for providing high-quality water to its customers. The tradition continues with the state-of-the-art Cedar Water Treatment Facility (CWTF), located southeast of Seattle at the Lake Youngs Reservation. Designed,…
Sewer backups are an ongoing problem for municipalities in the U.S. According to the U.S. Environmental Protection Agency, up to 75,000 annual backups and overflows account for 10 billion gal of untreated wastewater discharge. Underground infrastructure…
Continuous water analysis of pH, conductivity and turbidity is vital to municipal and industrial plants. Given this, the use of a reliable and capable liquid analyzer is essential. With the drive toward lower budgets, instrumentation and electrical (I…
Canaan Valley Public Service District (PSD) is located in the mountains of West Virginia. The PSD provides sewer service for a ski resort and the surrounding community. The local attractions drawing visitors meant that existing wastewater treatment…
The Marshall Islands, a scattered group of atolls in the northwestern Pacific, have been plagued with a yearlong, region-wide drought.  On most of the islands, rain catchments supply all the drinking water, while well water is primarily used for washing…
During the planning process, managers and engineers will use the ratio of cost in dollars per gallon of wastewater treated to compare the cost of various treatment plant size options. This article refers to this ratio as the Treated Construction Cost…
All water tanks eventually will require maintenance and some repairs. Some of these fixes may be minor and require very little preparation and downtime, but others may be major and require extensive preparation. A great deal of time and money can be…
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