Lead contamination in drinking water, caused by corroded service lines that introduce the constituent after water has been treated but before it reaches consumers, continues to plague cities around the country.
In a sign of just how problematic aging water infrastructure still is for major cities around the country, a National Resources Defense Council (NRDC) spokesperson described lead levels in Newark’s drinking water as “jaw-dropping” and “knock-your-socks-off high.”
Entering its fourth week and now the longest in the country’s history, the partial government shutdown is affecting a wide range of federal employees and agencies. Naturally, water and wastewater treatment operations are no exception.
In a sign of just how significant water quality concerns are in Michigan, the state’s governor elect signed an executive directive related to the issue as her first such move in office.
An increasing number of towns are banning the addition of fluoride to water, a common practice across the country.
The U.S. EPA under Trump administration is considering a major overhaul of how it assesses scientific research, a move that critics say could render the agency more toothless in protecting the drinking water supply.
Many owners and operators of traditional decentralized municipal wastewater treatment plants, also referred to as on-site or off-grid treatment, are acutely aware their systems are at risk of becoming obsolete.
It’s every water distribution manager’s worst nightmare — the dreaded boil-water advisory. Even when faced with aging infrastructure, there are ways to alleviate timing and complexity concerns about emergency pipeline repairs in advance. Use this seven-step checklist to become better prepared to deal with water main break emergencies and to forestall the need to issue a boil-water advisory.
New technology helps utilities meet the challenges of maintaining a safe and adequate public water supply.
Potable reuse of wastewater has gone by many different names, some of them unflattering, like “toilet to tap.” Despite the clear benefits of water reuse, this so-called “ick factor” has slowed the adoption of technology that can transform wastewater into drinking water.
Everyone wants good-tasting water, but most water treatment plants (WTPs) are hostages to the composition of their local source water supplies. One of the components involved in taste is total dissolved solids (TDS), which can affect both the acceptability of finished water taste and its likelihood to corrode or clog pipes and fixtures. Here’s how to quantify the problem and what to do about it if it is excessive.
Public health and medical research occasionally take unexpected turns that allow us to glimpse new wonders into the world we inhabit. After the scientific community had accepted Pasteur’s germ theory of disease, discoveries in microbiology increased exponentially, including Robert Koch’s use of agar in 1876 as a culture medium to isolate specific micro-organisms.
Population health is a primary concern of water utilities, whether water demands are typical (daily demands) or an out-of-the ordinary event occurs and threatens the continuous, safe supply of potable water. Water utilities must be prepared to respond to emergencies before they occur, and this is where hydraulic modeling can be particularly useful.
Let’s start by taking the subject at face value. Quarterly business reviews (QBRs) offer valuable face-to-face time with clients, and that plays an important role in relationship and retention. The QBR is a chance to check your customer’s pulse and an opportunity to demonstrate value. Tell them how many updates you’ve pushed, bugs you’ve squashed, threats you disarmed, and so forth. Here are a few pointers for making a QBR productive and profitable.
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.
Study helps further understand the current processes related to reconciling payments at research sites, the level of satisfaction at research sites around receivables, as well as the impact that reconciling payments from sponsors / CROs has on the site’s ability to conduct a clinical trial.
The U.S. EPA is gearing up to limit perchlorate in public drinking water systems, so municipalities should start preparing to adopt the appropriate testing and treatment technologies. In a recent report, the agency identified several technologies as the best available to address the perchlorate problem.
When I attended the U.S. EPA-hosted PFAS Summit held at the Horsham, PA high school auditorium on July 25, 2018, the education I received from state and municipal leaders focusing on the local problem was more than just a professional briefing. It was ominously personal, due to the fact that the Water Online editorial office where I work and drink water every day is served by a utility sitting smack-dab in the middle of one of the most concentrated PFAS hotspots in the U.S.
Nick Burns, director of water treatment technology for (the Americas region of) Black & Veatch, discusses the health concerns, current regulatory status, and documented presence of perfluorinated compounds (PFCs), also sometimes called perfluoroalkyl substances (PFAS), in drinking water supplies — as determined by sampling under the U.S. EPA's Unregulated Contaminant Monitoring Rule 3 (UCMR3).
By now, just about everyone in the U.S. has heard about Flint, Michigan’s water woes. Despite the many issues raised by that incident, urban water systems are not the sole reason the 2017 Report Card from the American Society of Civil Engineers gives the U.S. drinking water infrastructure an overall “D” grade. Hidden within that disheartening rating are the harsh realities faced by rural water systems.
It’s no secret that the U.S. EPA has changed course in the last year. But how have those changes affected local water and wastewater treatment operations? And how are those operations going to evolve along with the federal agency?
The Leopold Type 360 Underdrain uses a modular lateral design to simplify installation. Unique hold-down brackets secure the laterals and enable service to individual underdrains through its innovative bolt down system.
Monitoring the integrity of hundreds of kilometers of oil or gas pipeline networks may seem like a daunting task at first, but fortunately, technology can take over many of the labor-intensive tasks. Canadian video analytics specialist IntelliView knows the demands of oil and gas pipeline operators all too well. The company recently developed a smart camera solution, including a thermal camera from FLIR, to remotely monitor oil pump stations for leaks in an automated way.
The advanced oxidation process removes contaminants in water and wastewater by oxidation through reactions with highly reactive hydroxyl radicals (.OH). This chemical process uses ozone (O3), hydrogen peroxide (H2O2), and/or UV light.
You’re in the business to offer exceptional service and help your clients operate smoothly. Effectively managing every ticket for every client issue can be time consuming and tough—especially without the proper best practices in place to help.
Effective control of the microbiological environment in water distribution systems is one of the biggest keys to providing a healthy product. When it comes to processes for achieving this, the U.S. can some take lessons from Europe, where utilities are more likely to monitor temperature. Advanced flow metering technology that incorporates temperature monitoring provides a significant tool for utilities without the need for additional instruments.
Manmade chemicals — most notably PFAS and 1,2,3-trichloropropane, or TCP — are emerging as a serious threat to water sources that municipalities at some point will need to address to meet regulations and provide quality water. PFAS has been rearing its head across the U.S.; and while TCP is mainly a California issue, it could prove to be more expansive. In this Water Talk interview, Jim Knepper, vice president and general manager of the Resinex division of Jacobi Carbons, and Mike Bickel, a municipal sales manager with Jacobi, discuss how activated carbon technology is helping water plant operators tackle looming problems such as PFAS and TCP.
When drinking water leaves a treatment plant through giant pipes, with the help of huge pumps, the pressure can exceed 200 psi. The high pressure is a necessity because water must travel a long distance in some cases. Water towers scattered throughout the distribution system aid in the process so it can reach all utility customers. The problem is that not all distribution points in a water system are created equal.
For some water providers, carefree days of producing pure, fresh water from groundwater sources are long gone. Years of evolving chemical complexity, industrial operations, and short-sighted disposal methods have taken a toll on groundwater sources. The lowering of maximum contaminant levels (MCL) for contaminants such as chromium and the drilling of new wells into different geologic structures add to source water pressures. Fortunately, new technologies are helping water providers make the best of a challenging situation across a wide range of contaminants.
San Jose Water Company (SJWC) provides drinking water for over a million people in the greater San Jose Metropolitan region and is a recognized leader in drinking water treatment and distribution system water quality management. With over 90 water storage facilities in service, planned maintenance and rehabilitation of capital assets is a key component of SJWC’s CIP program.
A lot has changed over the past 15 years. Back in the early 2000s, many utilities weren’t interested in understanding what was in their water beyond the contaminant and disinfection byproduct levels they were regulated to comply with. But as Pat Whalen, President and CEO of LuminUltra, explains in this ACE 2018 Water Talk interview, a steady stream of ongoing education and the modern data storage and analytics that cloud computing provides, has developed some rabid fans eager to explore the microbiology of their water systems.
Microbiological contamination is at the top of the CDMO threat list. A CDMO needs to have clearly defined procedures and allow client access to data.
The City of Paramount conducted a pilot study for arsenic, manganese and iron treatment system at their Well 15 site. The onsite pilot test was designed to demonstrate the performance of the Loprest Water Treatment Company treatment process proposed for the new treatment plant.
Economist Harold Pollack's New York Times article suggesting priorities for your philanthropic work was a fun read for those of us who would love to imagine what we would do with $131 billion. Unlike Pollack, I'm not going to tell you how to give away your money — you earned it, it's yours, and you can do what you want with it.
Anritsu x-ray systems give food & pharma producers the best combination of contaminant detection, reliability and low total cost of ownership.
This white paper explores how detectable additives are helping food processors detect and reject unwanted elements before the final product reaches consumers to preserve product safety and quality.
Innovation is vital in the water industry and continually moving ahead is a must — even if the company you're trying to surpass is your own. By listening to a wide range of customers and distribution chain partners, Mazzei Injector Company upgraded its revolutionary Pipeline Flash Reactor (PFR) and introduced it to the marketplace with great impact.
There are many options for ensuring accurate billing of water used at established industrial customer locations. But how do municipalities or businesses keep track of water availability and use for intermittent applications or movable access points? We spoke with McCrometer, Inc.’s Marc Bennett for insight into how water utilities and industries can efficiently track and allocate water use for billing or internal accounting purposes in such ad hoc applications.
Refineries are among the major consumers of water that has both process and non-process origins. The average refinery requires 2.5 gallons of water for every gallon of crude oil processed. Depending on the type of crude oil, composition of condensate and treatment processes, the characteristics of refinery wastewater varies widely. The design and operation of modern refinery wastewater treatment plants are challenging and are driven by technology. This article will highlight the most common types of waste streams in a refinery and suitable wastewater treatment strategies.