• The Value Independent Certification Brings To Global Water Stewardship
    The Value Independent Certification Brings To Global Water Stewardship

    Every year, World Water Week, a conference organized by the Stockholm International Water Institute(SIWI), brings together experts from around the world to discuss global water issues. This year’s event focused on Water, Ecosystems and Human Development, with discussions concentrating on how business, NGOs and government agencies are collaborating to address water-related challenges. During a session organized by third-party certifier SCS Global Services, water leaders shared how their water stewardship programs have advanced with the Alliance for Water Stewardship (AWS) Standard.

  • Following Florence, Lessons From Harvey In Recovery And Resilience
    Following Florence, Lessons From Harvey In Recovery And Resilience

    With the impacts of Hurricane Florence continuing to unfold, coastal communities in the Southeast will soon be looking to other coastal areas, like Houston, as models for rebuilding resiliently. By doing so, they can speed their recovery and build back in smart ways – because that’s what resilience is all about.

  • The Role Of pH Measurement During Coagulation
    The Role Of pH Measurement During Coagulation

    In the wastewater treatment industry, coagulation has become one of the most widespread processes for effectively separating contaminants and effluent. But coagulation is a complicated and sensitive process, one that alters the chemical balance of the wastewater in order to strip it of unwanted constituents. As in many such processes, pH plays a critical role, and treatment professionals must analyze it closely if they want to properly coagulate their product.

  • Hoboken Searches New Water Utility After 18 Main Breaks
    Hoboken Searches New Water Utility After 18 Main Breaks

    After 18 water mains broke in Hoboken, NJ, over the summer, the city council and city administration moved to take bids for a new water company to replace SUEZ Water.

  • Meat-Free Diets Could Cut Our 'Water Footprint' In Half, Say Scientists
    Meat-Free Diets Could Cut Our 'Water Footprint' In Half, Say Scientists

    Three thousand litres of water — that is the amount needed to produce the food each British person eats every day. This is according to a new study into the “water footprint” of diets in Western Europe, conducted by the European Commission and published in Nature Sustainability.

  • Measuring pH And Its Role In Corrosion Control
    Measuring pH And Its Role In Corrosion Control

    Corrosion control has always been a priority for distributing safe drinking water throughout the world’s networks of pipeline. This has become all the more critical following the outrageous lead poisoning revelations in Flint, MI — an incident caused directly by corrosion of the city’s lead-based infrastructure.

  • The Importance Of pH Measurement During Industrial Treatment
    The Importance Of pH Measurement During Industrial Treatment

    Nearly every industry requires water and wastewater treatment to some degree. From food and beverage to pulp and paper operations, influent and effluent must meet certain conditions to adhere to regulatory and/or performance requirements, and water used during the process must conform as well.

  • Portrait Of Hurricane Florence Fallout Emerges
    Portrait Of Hurricane Florence Fallout Emerges

    As officials continue to tabulate the fallout from Hurricane Florence, it is clear the damage wrought by polluted floodwaters will be among the major challenges the region faces.

  • How To Get Accurate Flow Measurements Despite Flow Disturbers
    How To Get Accurate Flow Measurements Despite Flow Disturbers

    Flow meter accuracy is critical for process control but can be hampered by upstream and downstream flow disturbers. This problem may be addressed during the design process, though in some circumstances it’s impossible to eliminate disturbers.

  • Sending Your Wet Weather Problem Back To The Cloud(s)
    Sending Your Wet Weather Problem Back To The Cloud(s)

    Most of us don’t have to think about the vital infrastructure that supports our society.  Water is delivered to our homes and businesses 24/7, and wastewater is efficiently and cleanly whisked away.  The ability of our utilities to manage these services means we only take notice at times of inconvenience: water outages, sewer blockages, or stormwater overflows. 

  • Oxygen Removal From The Feedwater Of A Central District Heating System

    Central district heating systems have gained attention in recent years because they can be more efficient than localized boiler units. The efficiency of district heating is usually due to power generation plants being able to produce heat and electricity simultaneously. District heating also helps prevent pollution by using advanced flue gas cleaning techniques.

  • Power Plant Uses Membrane Contactors To Remove CO2 From Water

    A major power plant in Thailand is using 3M™ Liqui-Cel™ Membrane Contactors to remove carbon dioxide from a DI water system. The system is an expansion project and will be used to feed a high pressure boiler. Liqui-Cel membrane contactors are being used to lower the CO2 inlet into an Ionpure Electrodeionization (EDI) system. Carbon dioxide adds an ionic load to the EDI system, which can reduce the performance of the system. Manufactures of the EDI equipment suggest lowering the inlet CO2 to reduce the load on the equipment and improve the water quality.

  • How To Utilize pH Neutralization Systems And Adhere To Discharge Regulations

    For any drinking water or wastewater treatment operation, pH neutralization is never far from top-of-mind. The regulatory standards for pH to which effluent must adhere, also known as “pH neutralization,” are central to ensuring that treatment is performed accurately and that the water or wastewater leaving a plant is safe.

  • Product Recovery Through Ozone Oxidation Of Waste Liquor

    The manufacturing of soda ash from Trona is a multi-step process that results in the production of a waste liquor that contains significant levels of organic contamination.

  • Pure Oxygen Injection Into A Pipeline

    The Hagerstown Wastewater Treatment Plant in Maryland incorporated several plant modifications, one of which was the conversion of their disinfection process from the use of ozone to UV.

  • Wastewater Plant In Como, Italy, Upgrades To De Nora Ozone For Significant Savings

    The Lariana Depur wastewater treatment plant in Fino Mornasco, Italy, treats wastewater from multiple textile manufacturers in the Como region, known as the heart of the textile industry. Since 1994, ozone has been used effectively as a polisher to remove the dark blue-purple color — the result of the dyes used in the textile dyeing and printing process — from the water.

  • How Data And Nature Can Combine To Help Small Wastewater Treatment Plants Address Huge Hauling Costs

    It is no secret that the number of landfills has been steadily decreasing across the United States. As more and more cities adopt ‘zero waste to landfill’ sustainability goals, the number of landfills has shrunk from 6,326 in 1990 to 1,738 in 2015. Decreasing landfills has meant increased waste hauling costs for wastewater treatment plants (WWTPs) as sludge travels farther distances to reach landfills.

  • Microbial Source Tracking: How Did That Get In There?

    An estimated 90 million illnesses each year are caused by exposure to microbial contaminants in U.S. recreational waters, costing approximately $2.2- $3.7 billion in medical bills. Much of the contamination is a result of human or other animal feces getting into the water. 

  • Oregon, Ohio Regulate Algae. Will More States Follow Suit?

    Two states have mandated that public water systems test their water for algae toxins, and more states could follow suit, according to NPR.

  • Government Leaders Are Beginning To Turn To Collaborative Joint Ventures For Water Projects

    Water utilities in the U.S. were once operated almost completely by private companies. That began to change when Boston, New York, Los Angeles, and other large cities expanded in the late 19th century.  Water utilities failed to manage the increased demand and government leaders stepped up to assume responsibility for adequate water resources. That’s been the case for decades, but now water problems are critical again.

  • Making TCP Removal Almost As Easy As 1, 2, 3

    Our environment is rife with testimonials to the law of unintended consequences. When it comes to water treatment, the compound 1,2,3-trichloropropane (TCP) is the latest surprise making its way through the remediation lifecycle.

  • Hurricane Tested, Texas Approved

    During 2017’s Hurricane Harvey, the wettest tropical storm on record in the United States, over 52 inches of rain fell in the Houston area. The Vaughan pumps ran continuously for 72 hours with no plugging incidents and no problems while pumping over 2.5 million gallons of unscreened sewage through the lift station. It never flooded and none of the 150 homes served by this lift station experienced sewer back-ups.

  • Drones To Track One Of The Largest Dam Removals On The Eastern Seaboard

    This month, the Bloede Dam will be removed from the Lower Patapsco River near Ilchester, Maryland. The restoration is a one-of-a-kind natural experiment that will help test how relatively inexpensive drones can help scientists like me understand the integrity of streams and rivers.

  • Wastewater Management System Helps City With Consolidation Of Data, Reduction Of Manual Input

    On the banks of Puget Sound and in the shadow of Mount Rainier exists Tacoma, Washington. The city is home to approximately 211,000 residents, making it the third largest in the state of Washington. Tacoma’s vision is one focused on stewardship and resiliency, as outlined the Environmental Services Department strategic plan: “We believe everything we do supports healthy neighborhoods and a thriving Puget Sound, leaving a better Tacoma for all.”

  • Smart Meters Educate Consumers On Water Usage

    Can you imagine calling the electric company to demand a rebate because you had just received your bill and realized that over the past month, you inadvertently left all your lights on? As ludicrous as this scenario seems, it’s exactly the type of call water utilities receive from their customers.

  • Level Measurement In Water And Wastewater Lift Stations

    Condensation, build up, obstructions and silt can cause difficulties in making reliable level measurements in lift station wet wells. New trends in low cost radar units solve these problems.

  • Stokes' Law and How Inclined Plate Settlers (Lamellas) Work

    In this video, we discuss the curious science that is the inclined plate settler (also known as a Lamella). The process is a bit counter-intuitive, but through an interesting experiment, this video shows how they work. Inclined plate settlers can reduce required footprint by 80% compared to traditional gravity settling.

  • New York American Water Investigated Amid Overcharging Claims

    New York American Water is under scrutiny for what public officials see as questionable charges on customer bills.

  • EPA Researchers Partner With WaterStep To Deliver Clean Water During Emergencies

    Following a disaster like the back-to-back hurricanes that hit Texas, Florida, and Puerto Rico in 2017, water systems can become flooded and unable to provide safe drinking water to communities. EPA researchers recognized the need for portable water treatment systems that can quickly and cost-effectively provide safe drinking water to affected communities following a disaster. 

  • FlexRake Bar Screens At 24+ Sites Around Houston Were Unaffected By Hurricane Harvey

    Despite the destruction of Hurricane Harvey in August 2017, Duperon® wastewater screening systems in the cities of Cuero and Refugio, Texas – approximately 150 miles southwest of Houston – were virtually unaffected by the storm. Duperon’s FlexRake® bar screens, installed at both locations as well as dozens of other sites in and around Houston, remove objects like rags, paper, plastics, and metals to prevent damage and clogging of downstream treatment equipment. Both communities found essentially no damage to their wastewater screening equipment.

  • Keys To Mastering Pump System Maintenance

    It has long been established that predictive maintenance of existing equipment will reduce operating costs and help ensure safe operation.

  • Detroit Public Schools Nix Drinking Water Fountains As Class Begins

    Detroit public school students will not have the option of quenching their thirst at water fountains this year.

  • Using Flow Meters To Reduce Non-Revenue Water

    Utility managers are continually challenged to run water systems in the most efficient manner. Reducing non-revenue water (NRW) is an important component for system efficiency. In many states, regulators are placing caps on NRW or requiring reductions in the amount of NRW. Accurate and well-planned flow measurement can be used to locate areas of water leakage and reduce NRW.

  • CAPITAL CONTROLS® Ozone Generator Video

    Ozone is used widely for water treatment in Europe and Asia. Now, with more than 40 years of global experience, De Nora is bringing CAPTIAL CONTROLS Ozone to North America.

    A powerful oxidant with fast reaction time, no added chemicals, and reduced disinfection byproducts, Ozone is an appealing and growing option for water and wastewater treatment. Watch the full video to learn more.

  • Design-Build: Cyclical Trend Or Step Change?

    Over the past two decades, the trend from traditional design-bid-build (DBB) construction project-delivery practices to design-build (DB) practices has grown. Is that merely a cyclical trend or a step change that is destined to be a fixture for a long time to come?

  • West Yost Associates Empowers Clearer Determination Of Risk

    Lani Good, P.E., is an Asset Management Practice Leader. During her 5 years at West Yost Associates, she has specialized in Utility Asset Management. Her organization exclusively focuses on water, wastewater, and stormwater systems to ensure longevity for typical water infrastructure assets – pipes, pumps, storage and treatment plants.

  • The Big Drip

    The water burbling down the hillside amid thick, green foliage, certainly looked like a stream.

  • Expansion And Upgrade Of WWTP Ozone Disinfection System Reduces Energy Cost By 69%

    The financial cost to maintain their ozone equipment, and increasing scarcity of replacement parts for their ozone generator, motivated a utility in Springfield, MO, to upgrade their ozone system. Read the full case study to learn how the plant assessed the energy cost of a sidestream ozone injection system compared to that of a turbine mixing design and showed that the Mazzei retrofit design reduced the energy cost of ozone contacting by an average of 69.2% under all plant flow conditions.

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PRODUCT GUIDE

PISTA® WORKS™ Complete Headworks System PISTA® WORKS™ Complete Headworks System

The PISTA® WORKS™ is Smith & Loveless’ most recent innovation further enhancing the world’s best headworks and grit removal scheme all in one package, providing many engineering and cost savings considerations.

Biothane Lab Testing Biothane Lab Testing

Biothane Lab Testing by Veolia Water Technologies

Mueller Tapping Materials And Specialty Valves Mueller Tapping Materials And Specialty Valves
Full range of Tapping Sleeves and Crosses to fit most types of pipe including cast iron, ductile iron, A-C, and cast iron O.D. PVC
ADI® Membrane Bioreactor (MBR) ADI® Membrane Bioreactor (MBR)

Evoqua's ADI® membrane bioreactor (MBR) is an activated sludge treatment system that uses a physical membrane barrier for liquid-solids separation instead of traditional gravity clarification, thereby improving wastewater treatment performance. The MBR system’s long solids retention time and physical membranes work together to provide more consistent removal of organics, ammonia, and nitrogen than conventional activated sludge systems.

FAST® Process Treatment System FAST® Process Treatment System

The patented FAST® Process stands for "Fixed Activated Sludge Treatment", a fixed-film, aerobic treatment system designed for tackling variable load and flow conditions. Proven in thousands of installations worldwide, FAST® consists of tankage packed with completely submerged media.

EquaReact® Combined Equalization And Treatment System EquaReact® Combined Equalization And Treatment System

EquaReact® is a unique wastewater treatment process that combines hydraulic flow equalization and multi-stage (anaerobic, anoxic, or aerobic) Activated Sludge treatment as a system offering to provide Biological or Enhanced Nutrient Removal in both Industrial and Municipal markets. The EquaReact® System reduces land requirements, energy consumption, and capital costs while increasing the overall treatment system performance and efficiency.

OPUS® II Technology - a New Innovation for High Recovery of Water for Reuse OPUS® II Technology - a New Innovation for High Recovery of Water for Reuse

OPUS® II is a proprietary process for high recovery of complex wastewater streams. This new innovation uses CeraMem® ceramic membranes as pretreatment for reverse osmosis to reduce the system footprint. OPUS II can be delivered in modular, containerized units to minimize installation costs.

Like the original OPUS technology, OPUS II effectively removes silica, organics, hardness, boron, strontium and particulates. It generates high quality effluent at a high recovery rate, providing clean water for discharge, recycle or reuse.

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All Endress+Hauser transmitters are available with enhanced accuracy, reliability and cost effectiveness compared to directly wired sensors.
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WATER ONLINE FEATURED VIDEOS

Stokes' Law and How Inclined Plate Settlers (Lamellas) Work Stokes' Law and How Inclined Plate Settlers (Lamellas) Work

In this video, we discuss the curious science that is the inclined plate settler (also known as a Lamella). The process is a bit counter-intuitive, but through an interesting experiment, this video shows how they work. Inclined plate settlers can reduce required footprint by 80% compared to traditional gravity settling.

CAPITAL CONTROLS® Ozone Generator Video CAPITAL CONTROLS® Ozone Generator Video

Ozone is used widely for water treatment in Europe and Asia. Now, with more than 40 years of global experience, De Nora is bringing CAPTIAL CONTROLS Ozone to North America.

A powerful oxidant with fast reaction time, no added chemicals, and reduced disinfection byproducts, Ozone is an appealing and growing option for water and wastewater treatment. Watch the full video to learn more.

Signet Advantage Signet Advantage

GF Signet promotional Magmeter flow sensors video featuring the Model 2551 with PP or PVDF wetted materials plus a choice of Hastelloy-C, titanium, or 316 stainless steel electrodes. The Model 2552 is fully designed with stainless steel, can be used for hot-tapping with easy one hand installation, and can be used in very large pipes.

Hospital Upgrades Submersible Pump to S&L Wet Well Mounted Pump Station Hospital Upgrades Submersible Pump to S&L Wet Well Mounted Pump Station

A hospital had been pumping their wastewater with a submersible pump for years. But after seeing the benefits of the S&L Above Grade Wet Well Mounted Pump Station, they quickly saw the benefits - easier and safer maintenance, higher efficiency, long pump life, and more. Hear from the operator himself to learn why the hospital now prefers S&L's EVERLAST™ Wet Well Mounted Pump Station.

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