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Allegheny County Sanitary Authority (also known as ALCOSAN) is a municipal authority in Allegheny County, Pennsylvania that provides wastewater treatment services to 83 communities, including the city of Pittsburgh. [1] Its principal sewage treatment plant is along the Ohio River downstream from Pittsburgh (see satellite photo). (map of service ...
Construction of the Mill Creek Sewer in West Philadelphia, ca. 1883. The Philadelphia Water Department has been providing water to citizens since 1801, when, in the aftermath of a series of devastating yellow fever epidemics that killed thousands of people, the City decided a source of water was needed to cleanse the streets, fight fires, and perform household chores.
Ohio Graduation Test: OGT [6] Pennsylvania: Pennsylvania Department of Education : Keystone Exam: South Carolina: South Carolina Department of Education: High School Assessment Program (Grades 9-12) HSAP Tennessee: Tennessee Department of Education: Tennessee Comprehensive Assessment Program: TCAP Texas: Texas Education Agency
Pittsburgh Water, formerly the Pittsburgh Water and Sewer Authority (PWSA), is a municipal authority in Pittsburgh, Pennsylvania. [2] It is responsible for water treatment and delivery systems in the city of Pittsburgh, as well as the city's sewer system.
Local municipalities can be governed by statutes, which are enacted by the Pennsylvania General Assembly, and are specific to the type and class of municipality; by a home rule municipality, under a home rule charter, adopted by the municipality; or by an optional form of government, adopted by the municipality. [3]
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]
A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater flows for basic sewage treatment. [2] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate (referred to as "primary treatment"). [2]
Industrial wastewater treatment describes the processes used for treating wastewater that is produced by industries as an undesirable by-product. After treatment, the treated industrial wastewater (or effluent) may be reused or released to a sanitary sewer or to a surface water in the environment.