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The Hyperion Wastewater Treatment Plant in Los Angeles, California, is one of the largest municipal plants in the United States. Sewage treatment systems in the United States are subject to the Clean Water Act (CWA) and are regulated by federal and state environmental agencies. In most states, local sewage plants receive discharge permits from ...
Upflow anaerobic sludge blanket ( UASB) technology, normally referred to as UASB reactor, is a form of anaerobic digester that is used for wastewater treatment . The UASB reactor is a methanogenic (methane-producing) digester that evolved from the anaerobic clarigester. A similar but variant technology to UASB is the expanded granular sludge ...
Facultative lagoon. Facultative lagoons are a type of waste stabilization pond used for biological treatment of industrial and domestic wastewater. Sewage or organic waste from food or fiber processing may be catabolized in a system of constructed ponds where adequate space is available to provide an average waste retention time exceeding a month.
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Waste stabilization ponds consist of man-made basins comprising a single or several series of anaerobic, facultative or maturation ponds. [ 11] The presence or absence of oxygen varies with the three different types of ponds, used in sequence. Anaerobic waste stabilization ponds have very little dissolved oxygen, thus anaerobic conditions prevail.
Sewage treatment (or domestic wastewater treatment, municipal wastewater treatment) is a type of wastewater treatment which aims to remove contaminants from sewage to produce an effluent that is suitable to discharge to the surrounding environment or an intended reuse application, thereby preventing water pollution from raw sewage discharges. [ 2]
The first state park in Indiana was McCormick's Creek State Park, in Owen County in 1916, followed in the same year by Turkey Run State Park in Parke County. The number of state parks rose steadily in the 1920s, mostly by donations of land from local authorities to the state government. Of the initial twelve parks, only Muscatatuck State Park ...
Jan. 26—County sees 92 SSTS replacements in 2023; total 430 since 2020 Since launching a countywide initiative in 2020, Mower County has seen the replacement of 430 septic systems, which will ...