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  2. File:Library of Congress Classification Subclasses P-PA.pdf

    en.wikipedia.org/wiki/File:Library_of_Congress...

    Original file ‎ (1,275 × 1,650 pixels, file size: 1.09 MB, MIME type: application/pdf, 367 pages) This is a file from the Wikimedia Commons . Information from its description page there is shown below.

  3. Pennsylvania Department of Environmental Protection - Wikipedia

    en.wikipedia.org/wiki/Pennsylvania_Department_of...

    The Pennsylvania Department of Environmental Protection (DEP) is the agency in the U.S. state of Pennsylvania responsible for protecting and preserving the land, air, water, and public health through enforcement of the state's environmental laws. [1]

  4. Allegheny County Sanitary Authority - Wikipedia

    en.wikipedia.org/wiki/Allegheny_County_Sanitary...

    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 ...

  5. Philadelphia Water Department - Wikipedia

    en.wikipedia.org/wiki/Philadelphia_Water_Department

    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.

  6. Environmental engineering - Wikipedia

    en.wikipedia.org/wiki/Environmental_engineering

    Environmental engineering is a professional engineering discipline related to environmental science.It encompasses broad scientific topics like chemistry, biology, ecology, geology, hydraulics, hydrology, microbiology, and mathematics to create solutions that will protect and also improve the health of living organisms and improve the quality of the environment.

  7. List of wastewater treatment technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_wastewater...

    "Wastewater Technology Fact Sheets". Washington, D.C.: U.S. Environmental Protection Agency (EPA). 25 June 2015. Primer for Municipal Wastewater Treatment Systems (Report). EPA. 2004. EPA 832-R-04-001. Industrial Wastewater Treatment Technology Database EPA.

  8. Sanitary sewer - Wikipedia

    en.wikipedia.org/wiki/Sanitary_sewer

    To overcome these disadvantages, some cities built separate sanitary sewers to collect only municipal wastewater and exclude stormwater runoff, which is collected in separate storm drains. The decision to build a combined sewer system or two separate systems is mainly based on the need for sewage treatment and the cost of providing treatment ...

  9. American Water Works Association - Wikipedia

    en.wikipedia.org/wiki/American_Water_Works...

    AWWA also publishes a variety of books, training manuals, standards, reports and videos for use by water professionals and others. [11] [12] [13] The Association also hosts an annual conference and exposition for the entire organization each summer in North America. Section conferences are also held in all parts of North America.