Operations & Maintenance

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SCADA systems
An example of a typical SCADA screen showing water reservoir pump station and some of the alarms that the remote monitoring software monitors for the Bellevue Water Service.
Sep 22 2020
Water and wastewater professionals face myriad challenges to ensure safe water for the communities in which they work. These issues intensified and…
Aug 20 2020
Location: Longmont, Colorado Size: 13 MGD Equipment: Gravity thickeners, dissolved air flotation thickener, centrifuge dewatering system,…
Aug 20 2020
Warrington Township in Pennsylvania is home to 25,000 residents and more than 375 businesses. The township’s water comes from seven wells and five…
Soren Rasmussen
Soren Rasmussen, director of Landia Inc.
Aug 20 2020
I have just finished reviewing another bid document. This one was 48 pages long. Many specs and plans have been developed for months years, but what…
Aug 5 2020
North Olmsted, Ohio is in the process of purchasing a new maintenance service truck to tackle flushable wipes, which do not break down in wastewater…
Jun 12 2020
Chapmanville Water Department in Logan County, W.Va., provides the water distribution and wastewater treatment services in the town of Chapmanville,…
Apr 1 2020
On Mar. 30, 2020, the U.S. EPA released a statement encouraging all Americans to only flush toilet paper. This does not include disinfecting wipes or…
Mar 13 2020
At the A.B. Jewell Water Treatment Plant in Tulsa, Oklahoma, raw water from Lake Oologah flows into the system for processing. John Curry is…
Oct 14 2019
Part one of "Preventing & Controlling Transients" in the September issue of WWD discussed what water hammer is and provided information on wave…
Sponsored
Sep 13 2019
Question: What are some warning signs before a major failure? Answer: Improper chain tension is the leading cause of chain and scraper failure.…
When chain and scraper systems reached the end of their service life in Grass Valley, Calif., Evoqua provided a turn-key solution, eliminating downtime and improving performance.
When chain and scraper systems reached the end of their service life in Grass Valley, Calif., Evoqua provided a turn-key solution, eliminating downtime and improving performance.
Sep 13 2019
The city of Grass Valley owns and operates the Grass Valley Wastewater Treatment Plant that provides service for a population of approximately 12,000…
Aug 26 2019
Water infrastructure and design vary based on the needs of those using it. For instance, in a highly populated urban city such as New York City, the…
Aug 13 2019
The wine industry in Washington state must comply with new wastewater monitoring, discharge and management requirements.  The Department of Ecology…
Opto 22 Responds to Inquiries Regarding URGENT/11
Opto 22 responds to inquiries regarding URGENT/11.
Aug 9 2019
Editor's Note: Each week, Water & Wastes Digest will post an aggregate of business news briefs and networking news items to keep you informed on…
Aug 5 2019
The need to upgrade an aging lagoon system in Utah presented a growing community with an ideal opening to prepare its wastewater treatment plant for…
Aug 5 2019
Public schools, hospitals and parks vie to receive funding for critical upgrades and other modernization efforts, which has stretched municipal…
Combining gap analysis with GIS for asset management correlates data points for operators to see the status of their assets during their period of use.
Combining gap analysis with GIS for asset management correlates data points for operators to see the status of their assets during their period of use.
Aug 5 2019
Asset management has become a buzzword in the water and wastewater industry over the last decade. As many of communities continue to grow, society…
Jul 17 2019
A biodiesel firm in Stockton, Calif., violated the Clean Water Act discharging industrial wastewater into the city’s sewer system and must pay a fine…
South Walton Utility Co. Inc. installed advanced metering infrastructure as a means to better understand its infrastructure and to monitor its backflow preventers to reduce replacement frequency.
South Walton Utility Co. Inc. installed advanced metering infrastructure as a means to better understand its infrastructure and to monitor its backflow preventers to reduce replacement frequency.
Jul 9 2019
Miramar Beach, Fla., is a community located on the Gulf of Mexico known as the Emerald Coast. Situated in the southern part of Walton County and east…
Jul 9 2019
Although named for the idyllic garden of the Old Testament, the city of Eden, N.C., has battled infrastructure challenges that have been anything but…
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