Search results
Results from the WOW.Com Content Network
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.
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. [5]
Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, indicators of fecal ...
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.
Since 2013, high school students have taken the Keystone Exam in place of the PSSA for their standardized testing. [1] The PSSA's were made by a company in New Jersey. [2] [3] The PSSA is written, owned and administered by Pearson Education. [4] There are reporting categories for each subject which list eligible content to be tested in each grade.
The Keystone Exam is a Pennsylvania standardized test administered to the public schools of Pennsylvania, United States. The test has been developed by the Commonwealth of Pennsylvania Department of Education. Since the 2012–2013 school year, the General Keystone Knowledge Test Literature, Biology, and Algebra I VHS Exams have been available. [1]
Wastewater generated from agricultural and food processing operations has distinctive characteristics that set it apart from common municipal wastewater managed by public or private sewage treatment plants throughout the world: it is biodegradable and non-toxic, but has high Biological Oxygen Demand (BOD) and suspended solids (SS). [20]