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The TVA Kingston Fossil Plant coal fly ash slurry spill occurred on December 22, 2008, when an ash dike ruptured at an 84-acre (0.34 km2) solid waste containment area at the Tennessee Valley Authority's Kingston Fossil Plant in Roane County, Tennessee. 1.1 billion US gallons (4,200,000 m3) of coal fly ash slurry was released.
Permits typically require reporting of wastewater flow and the results of one or more chemical tests corresponding to the effluent limitations. Typical monitoring parameters include pH, biochemical oxygen demand (BOD), total suspended solids (TSS), nutrients (nitrates and phosphorus), various toxic pollutants, temperature, etc.
New Source Performance Standards (NSPS) are pollution control standards issued by the United States Environmental Protection Agency (EPA). The term is used in the Clean Air Act Extension of 1970 (CAA) to refer to air pollution emission standards, and in the Clean Water Act (CWA) referring to standards for water pollution discharges of industrial wastewater to surface waters.
The agency will study PFAS discharged to POTWs by various industries, including categories that have recently been examined. EPA intends to confirm the origins of PFAS wastewater and assist POTWs in determining whether source-level controls are necessary. The Concentrated Animal Feeding Operations Category (40 CFR part 412) will also be ...
Topsoil runoff from farm, central Iowa (2011). Water pollution in the United States is a growing problem that became critical in the 19th century with the development of mechanized agriculture, mining, and manufacturing industries—although laws and regulations introduced in the late 20th century have improved water quality in many water bodies. [1]
City officials Friday reported higher than permitted levels of enterococcus in a single sample of effluent from the Kailua Regional Wastewater Treatment Plant. The sample, which was taken at 8 :08 ...
TMDL is the end product of all point and non-point source pollutants of a single contaminant. Pollutants that originate from a point source are given allowable levels of contaminants to be discharged; this is the waste load allocation (WLA). Nonpoint source pollutants are also calculated into the TMDL equation with load allocation (LA). [7]
Maximum contaminant levels (MCLs) are standards that are set by the United States Environmental Protection Agency (EPA) for drinking water quality. [ 1 ] [ 2 ] An MCL is the legal threshold limit on the amount of a substance that is allowed in public water systems under the Safe Drinking Water Act (SDWA).
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