WesTech Municipal Water/Wastewater Blog

Municipal Water and Wastewater

Nitrogen Pollution From Agriculture Is a Growing Issue for Drinking Water

Posted by WesTech Engineering on Aug 9, 2018 7:21:51 PM

Growing enough food to feed an expanding population places complex demands on the environment, most significantly from agricultural run-off. Nitrate pollution from excess fertilizer application challenges the quality of water sources and can require a nitrate removal solution to make water safe to drink.

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Category: Water Treatment

Clarifier Upgrade Challenged by Municipal Water Treatment Plant’s Setting

Posted by WesTech Engineering on May 24, 2018 10:25:21 PM

Hester Park overlooks the Mississippi River in St. Cloud, Minnesota. It is a picturesque space dotted with Works Projects Administration-era stone bridges and walking trails. Hidden underneath the grass fields and play areas of the park is the municipal water treatment plant, which was built into the hillside in the 1950s. Its size is deceptive -- only a third of the facility is visible to the park visitors. People who come to the park enjoy their activities without realizing that the municipal water treatment equipment, such as clarifiers, filtration, and chemical treatment, is situated directly beneath them.

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Category: Water Treatment

Reduce Energy Costs Using Dissolved Air Flotation for Waste Activated Sludge Thickening

Posted by Michael Vanderhooft on May 21, 2018 4:22:01 PM

From 1973 to 1976, the EPA and the state of California sponsored a pilot study in Carson, California. The final technical report was completed in 1980 and is available on the EPA’s website, entitled Waste Activated Sludge Processing, document EPA-600/2-80-147.

Several technologies were tested for the handling of waste activated sludge, but the process endorsed by the report was “that dissolved air flotation be adopted for thickening of waste activated sludge.”

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Category: Wastewater Treatment

New Jersey Demonstration Project Shows Effectiveness of WWETCO FlexFilter for CSO

Posted by WesTech Engineering on Mar 27, 2018 12:09:05 PM

The WWETCO FlexFilter™ from WesTech Engineering received a huge vote of confidence this fall when the State of New Jersey released a report highly rating its performance for the satellite treatment of combined sewer overflows (CSOs).

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Category: Combined Sewer Overflow, Wastewater Treatment

Breakthrough Biological Treatment Is Cost-Effective and Sustainable for Nitrate Removal in Groundwater

Posted by Fatemeh Shirazi, Ph.D. on Jan 23, 2018 4:26:42 PM

Groundwater supplies almost half of all drinking water in the world, with high economic value and social significance.1 Nitrate (NO3) is one of the most widespread water pollutants on earth, and levels of nitrate in groundwater sources are continuing to rise, making nitrate removal in groundwater a significant concern.

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Category: Water Treatment

Accelerated Upgrade to Anaerobic Digestion Facility Wins New Business for City of Cortland

Posted by WesTech Engineering on Dec 18, 2017 7:42:59 PM

When a large dairy expressed interest in placing a new Greek yogurt plant in an industrial park in Cortland, New York, the community improved its chance to secure the plant and provide future economic growth by upgrading the City’s wastewater treatment facility so it could offer no-cost trucked waste disposal for the dairy facility.

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Category: Wastewater Treatment

Wastewater, Algae, and the New Pathway to Resource Recovery

Posted by WesTech Engineering on Oct 26, 2017 3:36:10 PM

Once considered to be ordinary and mundane, wastewater treatment is becoming a recognized contributor to the green technology movement. It’s a rising star in the resource recovery world with the adoption of one key ingredient – algae.

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Category: Wastewater Treatment, Renewable Energy

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