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  2. Sanitary engineering - Wikipedia

    en.wikipedia.org/wiki/Sanitary_engineering

    The Operator Certification requirements for water treatment operators and waste water treatment operators are described in detail by State law. To meet certification requirements, operators must submit an application to SWRCB, have the necessary work experience, meet the educational requirements, and pass an examination based on the knowledge ...

  3. Metropolitan Water Reclamation District of Greater Chicago

    en.wikipedia.org/wiki/Metropolitan_Water...

    The MWRD's main purposes are the reclamation and treatment of wastewater and flood water abatement in Cook County to protect the health and safety of citizens and of area waterways. In 1900, the District notably reversed the flow of the Chicago River , and it is currently involved in the large multi-decade construction of the "Deep Tunnel ...

  4. Effluent guidelines - Wikipedia

    en.wikipedia.org/wiki/Effluent_guidelines

    Facilities that directly discharge to "waters of the United States" are required to obtain NPDES permits, and effluent guideline requirements are incorporated into these permits. Indirect dischargers (i.e. facilities discharging to POTWs) are subject to effluent guideline requirements called "Pretreatment Standards." [3] [12]

  5. Waste treatment - Wikipedia

    en.wikipedia.org/wiki/Waste_treatment

    Waste treatment refers to the activities required to ensure that waste has the least practicable impact on the environment. In many countries various forms of waste treatment are required by law. In many countries various forms of waste treatment are required by law.

  6. Wastewater treatment - Wikipedia

    en.wikipedia.org/wiki/Wastewater_treatment

    Sewage treatment plant (a type of wastewater treatment plant) in La Crosse, Wisconsin. Wastewater treatment is a process which removes and eliminates contaminants from wastewater. It thus converts it into an effluent that can be returned to the water cycle. Once back in the water cycle, the effluent creates an acceptable impact on the environment.

  7. Essential Utilities - Wikipedia

    en.wikipedia.org/wiki/Essential_Utilities

    Essential Utilities (formerly Aqua America and Peoples Natural Gas) is an American utility company that has stakes in Illinois, Indiana, Kentucky, New Jersey, North Carolina, Ohio, Pennsylvania, Texas and Virginia. [2] The company provides drinking water and wastewater treatment infrastructure and natural gas. [3]

  8. Industrial wastewater treatment - Wikipedia

    en.wikipedia.org/.../Industrial_wastewater_treatment

    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.

  9. List of wastewater treatment technologies - Wikipedia

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

    Chemical addition wastewater treatment; Clarifier; Coarse bubble diffusers; Composting toilet; Constructed wetland; Cross-flow filtration; Dark fermentation; Decanter centrifuge; Decentralized wastewater system; Diffuser (sewage) Dissolved air flotation; Dissolved gas flotation; Desalination; Distillation; Effluent Decontamination System ...