October 2014
As municipalities continue to grapple with aging infrastructure, they need to be aware of effective and efficient methods of replacing failing, outdated or undersized sewer and water line. Here, W&WD Managing Editor Elisabeth Lisican discusses the…
Every year, the 24,000 residents of Tortola watch the island’s numbers swell, as more than 800,000 visitors arrive by cruise ship and air to descend upon its white sand beaches. As the largest and most populated of the British Virgin Islands, Tortola…
The city of Montmorillon, France’s pumping station is located in a busy urban area downstream from a retirement home. In addition to managing a heavy flow of wastewater, the station also takes in storm water, often including large quantities of solids,…
In wastewater treatment facilities, keeping lubricants clean and fit for use can present challenges. Plant operators faced with shrinking manpower and operating budgets may over-lubricate rather than spending maintenance dollars repairing failed…
In wastewater treatment facilities, the cost of supplying compressed air flow to aeration basins easily can be one of the facility’s largest energy expenses. The figures most often cited are that 40% to 50% of a wastewater plant’s total energy usage can…
Upgrading a SCADA system in a large water/wastewater treatment plant can be daunting. There are a lot of tanks, pumps and systems in a plant, and trying to upgrade it all in one stage can seem overwhelming.
Many of these plants’ control systems were…
Situated in eastern Prince William County, Va., along the U.S. 1 corridor near the Potomac River, the Prince William County Service Authority’s (PWCSA) H.L. Mooney Advanced Water Reclamation Facility treats influent wastewater from customers located in…
Around the world, more utilities are turning to wireless technology to help manage information, assets and workers, and American Water is one of them. In 2013, it created an enterprise geographic information system (GIS) group for administration of…
I have written a number of times in this column about fracking and how it is making a dramatic impact—not only on energy supply but on wide-reaching areas of the global economy and world politics. In my column last December (“Fracking, Take 2”), for…
Water professionals face daily challenges in meeting the water demand of current and projected population. Century-old infrastructure in dire need of replacement and diminished funding assistance only exacerbate this problem. And if your water system…
Nominate
The Water & Wastes Digest staff invites industry professionals to nominate the water and wastewater projects they deem most remarkable and innovative for recognition in the Annual Reference Guide issue. All projects must have been in the design or construction phase over the last 18 months.
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