DRINKING WATER
From Utility To Ally: Smart Water Management For Customer Satisfaction
Smart water technologies improve customer satisfaction through accurate billing, leak detection, and data-driven insights, helping utilities build trust, reduce losses, and enhance operational efficiency.
DRINKING WATER CASE STUDIES AND WHITE PAPERS
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![GettyImages-2137836204]( "Disinfection For Municipal Water Supply, Montana, US")
Disinfection For Municipal Water Supply, Montana, USThe Big Sky district in Montana, spanning 228 square miles and serving approximately 2,600 customers, has been grappling with the challenge of increasing summer water demand for irrigation.
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How Meter Nozzles Can Deliver Accuracy In Municipal Treatment Facilities
The United States Environmental Protection Agency claims there are approximately 155,000 public water systems in the nation and the public drinking water systems regulated by EPA provide drinking water to 90 percent of Americans. To put this in perspective, a family of four statistically uses 400 gallons of water daily. By Jeff Smith, Primary Flow Signal
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![mp-total-sensor]( "New Monochloramine Sensor Technology Measures Free Chlorine And Total Chlorine On The Same Sensor")
New Monochloramine Sensor Technology Measures Free Chlorine And Total Chlorine On The Same SensorTraditional chloramine monitoring methods have drawbacks that complicate water treatment. A new sensor can measure multiple parameters, offering operators better process control.
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![TotalCare Condition Audit]( "TotalCare Condition Audit Results In Energy Savings Of 80% And Improved Controls")
TotalCare Condition Audit Results In Energy Savings Of 80% And Improved ControlsXylem TotalCare Condition Audit, an inspection and recommendation program that helps plant operators find ways to lower maintenance costs by identifying inefficiencies in the operation of water and wastewater equipment, was elected to audit the American Canyon Wastewater Treatment Plant (WWTP) in California.
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Richland Springs Special Utility District, Texas Case Study
The Richland Special Utility District found that naturally-occurring radionuclides in their raw water source exceeded Maximum Contaminant Levels (MCL’s) for Gross Alpha Emitters and Combined Radium. The district selected Water Remediation Technology's Z-88 Radium Removal Process as a cost-effective solution to reduce the gross alpha and radium content. In this case study, learn how the water quality now successfully meets regulatory requirements.
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An 8-Point Checklist Of Pressure Gauge Application Best Practices
As electronic measurement, microprocessor or computerized control, and wireless networking have worked their way deeper into industrial processes, new opportunities for accuracy, convenience, and cost-saving efficiency have multiplied. Electronic accuracy and communication have delivered performance advantages down to even the simplest functions — including pressure readings.
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![GettyImages-1212890447_450_300]( "Why Water Utilities Need A Leak Detection System")
Why Water Utilities Need A Leak Detection SystemAn LDS leverages existing meters, sensors, and other instrumentation to more precisely pinpoint leak locations, saving time, money, and manpower spent scouring and searching.
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Article: Water Quality Management Using Cloud Computing - Solution For Corporate Control Of Environmental Impact Data One of industry’s most vexing impediments in responding to environmental problems has been difficulties in properly centralizing and managing captured water quality data. A different approach from the heretofore standard (and now outdated) “consultant-centric,” spreadsheet-based environmental information management system — with its typical project delays and increased costs — is now essential. By Locus Technologies
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A Golden Spike In Revenue, Efficiency, And Customer Service With The R900® System
In 2008, the public utility manager in Ogden City, Utah sent out a request for proposal on a system-wide changeout of its meters, absolute encoders, and radio frequency meter interface units (RF MIUs), with a goal of eliminating estimating and replacing all their meters with AMR technology to read year-round. Read the full case study to learn more.
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Making Municipal Water Supply Reliable, Economical, And Sustainable
A global scarcity of resources is a compelling reason for businesses and people to use raw materials more responsibly. Modern municipal water supply concepts must therefore not only consider such aspects as the structural development of the region and the population’s quality of life, but must also integrate the sustainable use of water in their policy planning.
DRINKING WATER APPLICATION NOTES
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Fountain Testing Solutions10/29/2021
Accurate fountain (dampening) solution concentration control is essential for consistent, high-quality results in lithography. Low concentration can cause drying on the non-image area of the plate resulting in tinting, scumming, blanket piling, etc. High concentrations, on the other hand, bring about over-emulsification of the ink. This results in weakening of color strength and changes in ink rheology (body and flow properties). Correct concentration will allow the non-image areas of the plate to be appropriately wetted.
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'TOTEX' Is Key When Purchasing Instrumentation4/29/2021
There’s a lot to be considered in the price tag of an ultrasonic instrument. Derek Moore from Siemens explains how the historical way of thinking only of capital costs needs to change to the more holistic approach of total expenditures.
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Industry-Specific Applications For UV Technology6/17/2024
In Microelectronics, Aquafine UV systems provide a synergistic approach towards the reduction of trace organics and microbial contamination for ultrapure water.
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Activated Carbon And Adsorption Of Trichloroethylene (TCE) And Tetrachloroethylene (PCE)12/30/2013
Trichloroethylene (TCE) and Tetrachloroethylene (PCE) are two of the most common solvents that contaminate groundwater supplies in the United States. Both solvents see frequent use in the extraction of fat, in the textile industry, in the production of various pharmaceutical and chemical products. TCE is also used as a degreaser from fabricated metal parts, and PCE serves as a component of aerosol dry-cleaning solvents.
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Flexible Expansion Joints Provide Protection For Pipelines Subject To Subtle Or Sudden Movement12/7/2020
Flex-Tend flexible expansion joints have a proven record of providing protection for pipelines subject to subtle or sudden movement. As with all products used in the water and wastewater industry, protection is optimized with the selection of the proper assembly incorporated into a sound design. This paper is intended to provide assistance in both of these areas.
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Pile Cloth Media Filtration Removes 97% Of Microplastics From Wastewater12/6/2023
Learn about filtering microplastics from industrial wastewater prior to discharge, and how this is one way to effectively reduce the volume of this waste material from entering our surface water.
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VFD Energy Savings For Pumping Applications4/6/2017
In the early days of variable frequency drive (VFD) technology, the typical application was in process control for manufacturing synthetic fiber, steel bars, and aluminum foil.
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The Active Control Program For Advanced UV Oxidation12/1/2025
This application note will explore how active control programs lower operational costs of compliant contaminant removal.
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Recording & Control: In Coagulant Dosage Applications For Potable Water Treatment7/1/2019
Potable water or drinking water as it is also known, is water that is safe to drink or to be used in food preparation. Typically, in developed countries, tap water meets the required drinking water standards, although only a small proportion is actually drank or used in food preparation.
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Analysis Of Pesticide Residue In Spinach Using The AutoMate-Q40 An Automated QuEChERS Solution10/16/2014
QuEChERS is a Quick-Easy-Cheap-Effective-Rugged-Safe extraction method that has been developed for the determination of pesticide residues in agricultural commodities.
DRINKING WATER PRODUCTS
The Capital Controls® VEGA™ is a disposable chlorinator vacuum regulator vent gas arrestor designed to treat occasional chlorine gas vent releases that may accompany chlorine container changeovers and fouled vacuum regulator inlet valves. The field tested VEGA prevents nuisance tripping of chlorine room air sensor alarms; helps compliance with local, state and federal code restrictions against exhausting chlorine fumes outside of a building; keeps the building free from chlorine related acid corrosion.
The Series 1520 CHLOR-A-VAC® affords high efficiency addition and mixing of gases and liquid chemicals resulting in substantial chemical cost savings.
U.S. Pipe’s TR-XTREME® pipe is engineered for seismic resilience, providing the first domestic ductile iron pipeline capable of expansion, contraction, and deflection within a single restrained bell joint.
The XD 7000 and XD 7500 Spectrophotometers combine a state-of-the-art optical system with ease of use and flexibility for a wide range of water testing applications.
The OPTIMASS 1400 is a cost-effective twin straight tube Coriolis mass flowmeter for a wide range of standard applications with gases and liquids (up to 170,000 kg/h or 6,235 lb/min). The meter features Entrained Gas Management (EGMTM) for liquid applications, providing reliable readings even in the event of gas entrainment of up to 100%. In this way, the Coriolis meter enables continuous and uninterrupted measurement of volume flow and mass, density and temperature – even at difficult process conditions with 2-phase flow.
Loprest pressure filters can be provided in horizontal or vertical configurations for flow rates from 50 to 5,000 GPM.
LATEST INSIGHTS ON DRINKING WATER
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![Water droplets, PFAS, Forever chemical water contamination-GettyImages-2173433890]( "Designing Resilient PFAS Treatment Strategies For Water Agencies")
Water agencies across the U.S. are facing a rapidly evolving regulatory landscape for per- and polyfluoroalkyl substances (PFAS) that poses a conundrum: Should they take a cautious or aggressive approach to treating PFAS contamination in their water system?
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![Oil spill clean up-GettyImages-1369921282]( "The Future Of In Situ Chemical Oxidation For Targeted Solvent Destruction")
The U.S. EPA’s 2026 trichloroethylene (TCE) compliance deadlines are now forcing a concrete shift toward source-zone destruction. In situ chemical oxidation (ISCO), sequenced with enhanced bioremediation, is proving to be the most credible path to groundwater contaminant rebound mitigation.
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![money, dollars down the drain-GettyImages-157193934]( "Critical Infrastructure Fails The Way It's Funded")
Our infrastructure systems have operated in managed deterioration for decades. And not surprisingly, once they deteriorate badly enough and cross over into active failure, all cost discipline disappears. -
![Smart industry, worker safety technology-GettyImages-2218674119]( "Geotechnical IoT Shifts Water Infrastructure From Reactive To Predictive")
Currently, water infrastructure is outdated and fragile, prone to breakages and leaks. Reactive approaches to water infrastructure are only implemented after an incident and are more expensive than simple maintenance fixes. Geotechnical Internet of Things (IoT) devices enable water and wastewater industry professionals to identify and address issues before they escalate into catastrophic events. -
![Water Drop with brain-GettyImages-481129858]( "When Drinking Water Raises Bigger Questions About Brain Health And Environmental Risk")
A new study linking certain groundwater sources to higher Parkinson’s risk underscores a broader question for the water sector: how environmental exposures in drinking water may influence long-term health. -
![Water Treatment system for boiler station-GettyImages-914817776]( "Filtration Media For Municipal, Industrial, And Landscape Water Treatment: Legacy And Novel Technologies")
The growing demand for water across a variety of sectors combined with the increasingly understood complexity of emerging contaminants is creating a dynamic marketplace for filtration media. The goal of selecting the right filtration media is not to meet minimum standards but to achieve the right balance of performance, durability, and operational simplicity to ensure long-term compliance and cost-effective operation.
DRINKING WATER VIDEOS
More than 100 beers were on tap during the Xylem beer tasting event in New Orleans. While each beer had it’s own flavor, every beer was brewed with one special ingredient… reuse water. Watch the video to learn more.
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:
- Source water for a community’s drinking water supply
- Drinking water treatment of source water
- 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.