More Regulations and Legislation Features
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How And When The EPA’s Proposed PFAS MCLs Could Impact The Drinking Water Industry
3/22/2023
The U.S. EPA recently announced its proposal for what would be the first-ever national drinking water standards for PFAS. This news likely triggered several questions about what this means to the drinking water industry. Here, we will address some of the most important ones.
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How To Ensure Your Utility Complies With The LT2
7/25/2016
The U.S. EPA’s Long Term 2 Enhanced Surface Water Treatment Rule (LT2) was adopted in 2006 to modify the Safe Drinking Water Act and more tightly control the spread of Cryptosporidium, a microorganism that can cause gastrointestinal infection if ingested. Since its inception, the rule has posed a treatment challenge to utilities that are susceptible to the tiny contaminant. But which utilities are at risk? And how should they approach treatment?
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Mixing Made Easy For Low Energy Lakes, Ponds, And Lagoons
6/29/2020
Landlocked, shallow bodies of water such as recreational ponds, irrigation, drinking water and animal waste lagoons have a major problem with flow. The only natural methods of movement in these bodies of water are the slight Coriolis Effect of the earth and wind.
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How To Develop The Best Construction Dewatering Solutions
12/12/2018
Basic construction activities today are more complex than ever when it comes to environmental concerns. Dewatering is a common necessity for contractors and developers today. In addition to ensuring a safe construction site, contractors must be aware of groundwater disposal constraints and regulations.
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UF/RO System Treating Mine-Influenced Water To Remove Selenium
11/6/2020
A Phosphorus mine in Wyoming needed to treat high selenium concentrations leaching into the surface water. Read the full case study to learn how Toray projected to save the plant energy costs for years.
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Howard County, Maryland Sets The Pace In Restoring Chesapeake Bay Ecosystem
6/16/2014
The Howard County, Maryland, Bureau of Utilities completed a project at the Little Patuxent Water Reclamation Plant to improve the quality of the plant’s effluent discharge and to reduce harmful nutrients reaching Chesapeake Bay.
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Multi-Barrier Disinfection Strategy - New York City (Case Study)
1/15/2014
New York City is home to more than 8 million people, making it the most populous city in the United States. The majority of New York's drinking water is supplied by the Catskill/Delaware watershed, located approximately 100 miles outside the city. Historically, NYC has not filtered the water from this system, nor did they require any additional barriers to microbial contaminants due to the pristine nature of the watershed.
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5 Burning Questions On Uranium And Radium Removal
10/17/2016
High levels of radionuclides (uranium/radium/etc.) in drinking water aren’t very common, but they are very dangerous. If you’ve long dealt with radionuclides, you’re familiar with the treatment requirements — but are you treating as cost effectively as possible?
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An Economical Approach To The LT2 Rule
4/8/2021
Water Online spoke with Alfredo Rizo-Patron and Cyndi Benson of Harmsco Filtration Products about the factors that create the most problems for these communities as well as cost-effective options for achieving and maintaining compliance.
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Biological Nitrate Removal From Drinking Water
3/6/2020
The City of Taylorville, IL, needed to diversify their drinking water sources by bringing unused groundwater wells online to supplement their surface water supply. Unfortunately, their groundwater contained nitrate levels that exceeded regulatory limits and would require treatment.