• Evansville Uses Real-Time Decision Support System To Cut CSO Volume By 100 Million Gallons And Reduce Capital Needed For Regulatory Compliance

    Evansville is located on the north bank of the Ohio River in southwest Indiana. The City’s sewer system, parts of which are more than 100 years old, serves a population of 163,000, with combined sewers making up almost 40 percent of the total sewer area.

  • Workhorse Screens Benefit Cedar City

    During 26 years at Utah’s Cedar City Wastewater Treatment Plant, Eric Bonzo says he’s seen it all – including, as most people working at the sharp end of the industry will testify, things he wishes he’d never seen.

  • How Mendocino WTP Solved Its Wipe Issue

    Meet the Mendocino WTP and discover how Screentec, the Pump Station Bar Screen, has improved their process. Wipes issues permanently solved, no more manual cleaning, and less than 1K$ in spare parts for 10 year. Read the case story to learn more.

  • How The Olde Atlanta Club WWTP Solved Its Debris Screening Problem

    The Olde Atlanta Club is as genteel as its name implies. The Suwanee, GA community boats pristine golf courses, upscale homes, and plenty of Southern charm.

  • $26,000 Of Savings Per Year With Screentec

    New Jersey's Lower Township Municipal Utilities Authority had a problem. The utilities authority operates a 5 MGD plant, with wastewater inflow arriving through a 48-in pipe routed 23 feet below grade level. Their manual inflow pump screening setup was difficult and hazardous to clean, and its 2.5" screen spacing let entirely too much non-dispersible waste through. Their 3,000 GPM non-clog pumps were constantly clogging, and workers were repeatedly exposed to a hazardous situation.

  • Wastewater Collection And Treatment: General Observations

    In this discussion, I am going to discuss general issues in wastewater treatment and specifically the collection phase of waste treatment. We all realize the effort and expense that goes into treatment-plant technology, but many don’t seem to realize that the collection phase is where we get “more bang for the buck.”

  • Real-Time Decision Support System Exceeds Expectations -- Buffalo Cuts CSOs By 450 Million Gallons, Reducing Consent Agreement By $145 Million

    At the turn of the century Buffalo was the 8th largest city in the U.S., a gateway for commerce and manufacturing due to its early embrace of hydroelectric power generated from nearby Niagara Falls. To accommodate its projected growth, Buffalo built a (then) state-of-the art combined sewer system. By mid-century, the City added a massive wastewater treatment facility and upgraded its sewer system to accommodate at least 750,000 people. Due to its mid-20th century sewer design, Buffalo still typically experiences nearly 2 billion gallons of combined sewer overflow (CSO) annually, discharging into its receiving waterways.

  • Reducing H2S And FOG At The Discharge Of A Force Main

    Beginning early in 2019 our office began receiving complaints of sewer odor in the neighborhood of Fountain Ridge Section III (FR III), located in Prince George County VA. The County Operations staff investigated the wastewater collection system that serves the neighborhood, and found that odor was proliferating throughout the neighborhood. Corrosion of the sewer manholes was clearly evident.

  • Tanks Evolve To Meet Wastewater Treatment, Water Reuse Demand

    From simple to advanced and from sewage to potable, tanks have become the Swiss Army knives of water management.

  • Supporting Innovations To Reduce Nitrogen Pollution From Septic Systems

    Septic systems are common in coastal marine communities on the East Coast of the United States. Septic systems consist of subsurface wastewater treatment structure and use a combination of natural processes and technology to treat residential sanitary waste and greywater from bathrooms, kitchen drains, and laundry. Partially cleaned wastewater is discharged from septic tanks into drain fields, where the water is further treated through biological processes as it travels through gravel, soil, and can eventually reach groundwater. Groundwater linkages with surface waters can then transport any nutrients and contaminants that are present in discharge directly into coastal waters.


  • Screentec: The Pump Station Bar Screen

    Aqualitec's bar screen Screentec is an automatic vertical bar screen specifically designed for headworks, pump stations, lift stations, wet wells and manholes. It protects pumps from rags, wipes, plastics and other solids. It also prevents pumps from clogging up, extends their life cycle and improves the quality of wastewater treatment.

  • Raketec: The Multiple Rake Screen

    Raketec is a multiple-rake bar screen system with no moving parts under grade level. It is a two-chain, free sprocket mechanism guarantying reliability and ease of use. A combination of stainless steel rakes, and durable brushes thoroughly cleans debris from the screen.

  • Drumtec: Internally Fed Drum Screen

    Drumtec is an internally fed rotating drum screen built for heavy pretreatment applications such as draining, mud thickening, and sandy or industrial wastewater treatment. This product is highly recommended for membrane bioreactor (MBR) treatment plants.

  • Spiraltec Spiral Screen

    Spiraltec is the all-in-one, shaftless cylindrical screw screen that collects, conveys, dewaters, and compresses wastewater solids. Spiraltec is a practical solution for small footprints and shallow channels.

  • Grittec Grit Classifier

    Grittec is a grit classifier that separates rock, sand, and grit from screened wastewater. A large surface tank allows screened material to settle to the bottom, where a shaftless screw conveys screened debris to a dumpster.


Raketec is a multiple-rake bar screen system with no moving parts under grade level. It is a two-chain, free sprocket mechanism guarantying reliability and ease of use. A combination of stainless steel rakes, and durable brushes thoroughly cleans debris from the screen. Watch the full video to learn more.