PFAS update 2024: Exploring legislative standards for environmental protection
Fehr Graham Blog » Wastewater Engineering
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2d ago
The U.S. Environmental Protection Agency (EPA) announced the first-ever nationwide, legally enforceable drinking water standard for per- and poly-fluo ..read more
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Boost effluent quality and efficiency with aeration basins in wastewater treatment upgrades
Fehr Graham Blog » Wastewater Engineering
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1w ago
If you're exploring upgrades within your publicly owned treatment works (POTW), consider constructing an aeration basin in your community's wastewater ..read more
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Understanding nutrient removal in wastewater treatment
Fehr Graham Blog » Wastewater Engineering
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3M ago
While phosphorus and nitrogen are indispensable for the growth of aquatic flora, nutrient-rich wastewater results in eutrophication — an excessive gro ..read more
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CIPP sewer lining: A sustainable solution for wastewater infrastructure
Fehr Graham Blog » Wastewater Engineering
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5M ago
Ideally, a sewer line should last 50 to 100 years, depending on the materials used to build the pipes. The gradual deterioration of sewer pipelines is ..read more
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PFAS timeline on EPA actions
Fehr Graham Blog » Wastewater Engineering
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5M ago
PFAS, or Per- and Polyfluroalkyl Substances, contamination of groundwater and drinking water exposes us to chemicals that eventually bioaccumulate in ..read more
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Radium in drinking water — health risks and treatment methods
Fehr Graham Blog » Wastewater Engineering
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6M ago
As a radioactive element, radium is present in varying amounts in rocks and soil within the Earth's crust. While surface water is usually low in radiu ..read more
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Sludge disposal — challenges and solutions
Fehr Graham Blog » Wastewater Engineering
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6M ago
Sludge is a solid byproduct produced during wastewater treatment. It contains a mixture of water, nontoxic organic compounds, toxic pollutants (heavy ..read more
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Wastewater collection systems: evaluating and planning
Fehr Graham Blog » Wastewater Engineering
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7M ago
Before sewage/wastewater is discharged or reused, it must be properly collected from homes, businesses and industries. A wastewater or sewer collectio ..read more
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Wastewater lift station types: a comparison
Fehr Graham Blog » Wastewater Engineering
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7M ago
In a sewage or wastewater collection system, raw sewage travels underground through sloped pipelines (also called gravity pipelines). However, when th ..read more
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Securing funding for wastewater treatment plants in rural communities
Fehr Graham Blog » Wastewater Engineering
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8M ago
Many rural communities across the United States rely on wastewater treatment processes that fall short of environmental and public health protection s ..read more
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