Contaminants

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dirty-water
Image Credit: Stock.Adobe.com/Antonio Rodriguez
Apr 16 2021
Those looking to better understand tap water quality and chemistry, may yet be unfamiliar with total suspended solids (TSS). However, TSS is a common…
Apr 15 2021
The U.S. EPA announced a proposed Clean Water Act (CWA) settlement with Texas-based Arrow Midstream Holdings, LLC (Arrow Midstream). EPA alleges that…
Apr 12 2021
The U.S. EPA is planning to file a consent agreement and final order for a South Charleston corporation with the civil administrative penalty pending…
Apr 6 2021
Former superintendent of Iowa's Sioux City Wastewater Treatment Plant who pleaded guilty to cheating on environmental testing at the plant was…
Apr 1 2021
On March 15, the U.S. Environmental Protection Agency published the Fifth Unregulated Contaminant Monitoring Rule designed to tackle PFAS in water.…
Mar 29 2021
The Association of Metropolitan Water Agencies (AMWA) wrote a letter to EPA Administrator Michael Regan to highlight a number of major issues of…
Mar 24 2021
Organic fouling of an anion-exchange resin occurs (AERs) through the adsorption of the organics on its surface, which block the diffusion of mobile…
Mar 23 2021
A study found that historic sources of mercury pollution are driving higher concentrations of the contaminant in sport fish that live and feed in the…
Mar 22 2021
To commemorate World Water Day, the U.S. EPA announced the availability of $2.7 billion for State Revolving Funds (SRFs) to assist states, tribes,…
Mar 19 2021
The U.S. House of Representatives’ Transportation & Infrastructure Committee Chair Peter DeFazio, Water Resources and Environment Subcommittee…
Mar 15 2021
EPA published the proposed fifth Unregulated Contaminant Monitoring Rule (UCMR 5) in the Federal Register.  In the proposed rule, UCMR 5 would…
Mar 11 2021
The Lead & Copper Rule Revision has been years in the making and it was finally published in the Federal Register in January. But not long after…
Mar 11 2021
Rising concerns over per- and polyfluoroalkyl substances (PFAS) contamination of water and soils have sparked interest in this emerging class of…
Mar 3 2021
The U.S. EPA issued two actions to protect public health by addressing per- and polyfluoroalkyl substances (PFAS) in drinking water. The agency…
Mar 1 2021
A comprehensive water justice bill was introduced in both chambers of Congress to address water access, safety and affordability in the country on…
bioreactors
The electrochemical systems can work in series as shown here.
Feb 23 2021
Disinfection is a complicated affair. Solutions often require chlorine addition, changing out ultraviolet (UV) bulbs, handling the creation of ozone…
Feb 11 2021
The city of San Angelo, Texas, is working closely with the Texas Commission on Environmental Quality after identifying industrial contaminants in the…
Feb 10 2021
A hacker successfully altered the levels of chemicals in Oldsmar’s water supply to potentially damaging levels, according to officials.  Pinellas…
Feb 8 2021
Colorado’s Fort Collins, Larimer County and Loveland have reached an agreement on who will pay for environmental cleanup at the Larimer County…
Jan 28 2021
Hundreds of California wineries will be governed by statewide wastewater processing rules for the first time.  The move toward a statewide regulatory…
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