DRINKING WATER

Innovative AMI Answers Prove Value Of Water Metering

Westwood, California was billing its water using a flat rate system. According to Community Services District General Manager Randy Buchanan, most customers in his service area had no idea how much water they were using, as no services were metered.

DRINKING WATER CASE STUDIES AND WHITE PAPERS

  • Arsenic Removed From Drinking Water With Iron Oxide Adsorption Treatment
    Arsenic Removed From Drinking Water With Iron Oxide Adsorption Treatment

    When high levels of arsenic were found in the drinking water in the community of Alto Lampa outside of Santiago de Chile, municipal water provider Aguas Adinas faced a predicament. AdEdge Water Technologies was contacted to design a treatment approach. This case study describes how iron oxide adsorption helped Alto Lampa reduce arsenic levels in treated water to non-detectable concentrations.

  • Membrane Filtration Water Treatment Plant Meets Hotel Complex's Needs

    The Little America West Hotel complex located near the town of Granger, Wyoming, used an outdated surface water treatment plant that provided poor quality water during storm events.

  • Three Categories Of Sustainability
    Three Categories Of Sustainability

    Nearly 4.7 billion gallons of water were saved in 2013 alone through installation of Badger Meter water utility solutions.

  • White Paper: High-Efficiency Reverse Osmosis Treats Gray Water For Power Generation

    Recycling of gray wastewater as boiler make- up water was the challenge where silica value was typically 85 ppm in this secondary treated wastewater. This paper describes a new design called the High-Efficiency Reverse Osmosis selected for that task, discusses the project technical considerations and highlights the actual performance of the system.

  • Project Profile: Meadow Lake MHC White Lake, MI 750 GPM Iron & Manganese System In February 2008 AdEdge Technologies, Inc. was selected as the sole vendor by Sun Communities, a nation wide owner and operator of Mobile Home Communities, to supply an iron and manganese treatment system, for the Meadow Lake MHC in White Lake, Michigan. By Adedge Technologies Inc.
  • Endocrine Disrupting Compounds And Their Treatment
    Endocrine Disrupting Compounds And Their Treatment

    Endocrine disrupting compounds (EDC) are a subset of chemicals identified as contaminants of emerging concern, or “CECs.” EDCs are chemicals that can affect the endocrine (hormonal) systems of humans and animals. Hormones regulate reproduction, growth, and behavior. Anything that can potentially disrupt those functions must be studied carefully.

  • Water Supplier Ensures DBP Compliance With UV254 Organic Monitoring Mohawk Valley Water Authority (MVWA) is a progressive supplier of potable water. With source water from the Adirondack Mountains, MVWA works to improve on nature and provide superior water quality, always striving to meet or exceed drinking water standards. Like many other surface water sources, MVWA’s water supply is rich with natural organic matter (NOM). Unfortunately, growing research has demonstrated that NOM in water when combined with chlorine leads to the formation of potentially harmful disinfection by-products. By Jodi Glover, Real Tech Inc.
  • A Practical Solution For Real-Time Organic Monitoring Monitoring organics continuously provides instantaneous water quality data that is vital for several of the most common water and wastewater treatment applications.
  • A New Generation Of Filling Control Systems

    The filling control technology employed in bottling machinery has evolved over the past decade, offering higher levels of accuracy and reproducibility, while achieving extremely high reliability

  • Next Generation FPI Mag Flow Meter Helps Provide Clean Water For Seattle
    Next Generation FPI Mag Flow Meter Helps Provide Clean Water For Seattle

    The Cedar Water Treatment Facility (CWTF) serves the residents of the City of Seattle. This state-of-the-art plant was designed and built, and is now operated by CH2M Hill.  Working together, CH2M Hill and McCrometer improved flow measurement at the facility with the FPI Mag® Flow Meter.

More Drinking Water Case Studies and White Papers

DRINKING WATER APPLICATION NOTES

More Drinking Water Application Notes

DRINKING WATER PRODUCTS

WEDECO TAK Series Open Channel Disinfection System by Xylem

WEDECO TAK Series Open Channel Disinfection System by Xylem

WEDECO TAK Series Open Channel Disinfection System for wastewater applications.

WEDECO Quadron™ UV System by Xylem

WEDECO Quadron™ UV System by Xylem

The WEDECO Quadron™ system is the ideal solution whenever the space available for installing a UV disinfection system is at a premium.

MagnaPak™ DOC Removal Systems

MagnaPak™ DOC Removal Systems

The MagnaPak™ System provides a simple, cost-effective solution for meeting EPA disinfection by-product standards by utilizing the MIEX® ion exchange resin to remove dissolved organic carbon – a precursor to DBP formation – from the raw water supply

Microfiltration Performance That Maintains Wine Quality

Microfiltration Performance That Maintains Wine Quality

Liqui-Flux - Modules are available in a wide variety of sizes and materials to meet various needs in beverage clarification.

Tube Settlers

Tube Settlers

Need to speed up your settling process? Brentwood tube settlers can help you do that while also improving overall plant efficiency for potable water and wastewater applications. By expanding settling capacity, Brentwood tube settlers increase flow rates and improve effluent water quality. They also save you money on operating costs by reducing the frequency of filter backwashing.

Don’t pay double for steel. Go blue!

MicroChem®2 Analyzer, Transmitter & Controller

MicroChem®2 Analyzer, Transmitter & Controller

MicroChem 2 is a new generation family of transmitters and controllers, suitable for all the needs of analysis and process control.

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LATEST INSIGHTS ON DRINKING WATER

  • The Long Journey Of An Energy-Water Bill In Texas
    The Long Journey Of An Energy-Water Bill In Texas

    Being an environmental advocate in Texas may seem like an uphill battle, and I make no bones about the fact it most certainly is.

  • Coming Of Age: UV-C LED Technology Update
    Coming Of Age: UV-C LED Technology Update

    Sometimes technology innovations come along which cause a paradigm shift in how products are designed.

  • Prepare To Pump Up Efficiency
    Prepare To Pump Up Efficiency

    The U.S. Department of Energy (DOE) has proposed its first-ever energy standards for commercial and industrial pumps, aimed at saving energy in the agricultural and municipal clean water sectors.

  • 10 Tech Discoveries From ACE15
    10 Tech Discoveries From ACE15

    Although drought was a particularly dominant theme this year, ACE15 offered its usual plethora of solutions for all water practitioners. The event drew in excess of 10,000 attendees from around the world with problems as varied as the systems they represent. Lucky for them, there were more than 500 exhibitors on hand at the Anaheim Convention Center with potential answers. Among the many, here are 10 products that have particular potential.

  • Straight Talk On Radiation
    Straight Talk On Radiation

    From time-to-time I write on topics that are related to water and wastewater as a "backgrounder" so that those involved in the field can gain a wider perspective and have available to them a cogent explanation minus jargon on various topics. By Dr. J.H. Wakefield

  • EPA Fails 6 Subjects
    EPA Fails 6 Subjects

    Like so many schoolchildren sweating out final grades, the U.S. EPA gets its own report card each year, served by the EPA Office of Inspector General (OIG). Unfortunately, it’s full of bad marks.

More Drinking Water Features

DRINKING WATER VIDEOS

Video: Variable Area Flowmeters

Video: Variable Area Flowmeters

Variable area flowmeters from KROHNE offer not only the maximum possible accuracy but also maximum reliability.
The YSI Pro2030 Handheld Conductivity And DO Meter Video

The YSI Pro2030 Handheld Conductivity And DO Meter Video

The YSI Pro2030 DO/conductivity water quality meter is ideal for any field application. The instrument is rugged and extremely simple to use.

Earth Day Outreach: Insights On Water Conservation And Quality

Earth Day Outreach: Insights On Water Conservation And Quality

"Wastewater Dan” talks with FOX 4 News Kansas City about drought conditions in California and procedures to conserve water in the home. He also demonstrates the use of a total dissolved solids (TDS) meter to test drinking water quality, and interprets the results.

Video: Monitoring Water Consumption

Video: Monitoring Water Consumption

KROHNE's Joe Incontri discusses monitoring water consumption and the importance of accurate and reliable meters. Water savings means green savings.
Putting Drinking Water To The Test

Putting Drinking Water To The Test

Appearing on The Weather Channel's "Wake Up With Al" morning show, water expert Dan Theobald puts drinking water to the test by measuring total dissolved solids (TDS) in tap water samples from Brooklyn, Manhattan, and New Jersey, as well as bottled water samples.

More Drinking Water Videos

ABOUT DRINKING WATER

In most developed countries, drinking water is regulated to ensure that it meets drinking water quality standards. In the U.S., the Environmental Protection Agency (EPA) administers these standards under the Safe Drinking Water Act (SDWA)

Drinking water considerations can be divided into three core areas of concern:

  1. Source water for a community’s drinking water supply
  2. Drinking water treatment of source water
  3. Distribution of treated drinking water to consumers

Drinking Water Sources

Source water access is imperative to human survival. Sources may include groundwater from aquifers, surface water from rivers and streams and seawater through a desalination process. Direct or indirect water reuse is also growing in popularity in communities with limited access to sources of traditional surface or groundwater. 

Source water scarcity is a growing concern as populations grow and move to warmer, less aqueous climates; climatic changes take place and industrial and agricultural processes compete with the public’s need for water. The scarcity of water supply and water conservation are major focuses of the American Water Works Association.

Drinking Water Treatment

Drinking Water Treatment involves the removal of pathogens and other contaminants from source water in order to make it safe for humans to consume. Treatment of public drinking water is mandated by the Environmental Protection Agency (EPA) in the U.S. Common examples of contaminants that need to be treated and removed from water before it is considered potable are microorganisms, disinfectants, disinfection byproducts, inorganic chemicals, organic chemicals and radionuclides.

There are a variety of technologies and processes that can be used for contaminant removal and the removal of pathogens to decontaminate or treat water in a drinking water treatment plant before the clean water is pumped into the water distribution system for consumption.

The first stage in treating drinking water is often called pretreatment and involves screens to remove large debris and objects from the water supply. Aeration can also be used in the pretreatment phase. By mixing air and water, unwanted gases and minerals are removed and the water improves in color, taste and odor.

The second stage in the drinking water treatment process involves coagulation and flocculation. A coagulating agent is added to the water which causes suspended particles to stick together into clumps of material called floc. In sedimentation basins, the heavier floc separates from the water supply and sinks to form sludge, allowing the less turbid water to continue through the process.

During the filtration stage, smaller particles not removed by flocculation are removed from the treated water by running the water through a series of filters. Filter media can include sand, granulated carbon or manufactured membranes. Filtration using reverse osmosis membranes is a critical component of removing salt particles where desalination is being used to treat brackish water or seawater into drinking water.

Following filtration, the water is disinfected to kill or disable any microbes or viruses that could make the consumer sick. The most traditional disinfection method for treating drinking water uses chlorine or chloramines. However, new drinking water disinfection methods are constantly coming to market. Two disinfection methods that have been gaining traction use ozone and ultra-violet (UV) light to disinfect the water supply.

Drinking Water Distribution

Drinking water distribution involves the management of flow of the treated water to the consumer. By some estimates, up to 30% of treated water fails to reach the consumer. This water, often called non-revenue water, escapes from the distribution system through leaks in pipelines and joints, and in extreme cases through water main breaks.

A public water authority manages drinking water distribution through a network of pipes, pumps and valves and monitors that flow using flow, level and pressure measurement sensors and equipment.

Water meters and metering systems such as automatic meter reading (AMR) and advanced metering infrastructure (AMI) allows a water utility to assess a consumer’s water use and charge them for the correct amount of water they have consumed.