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2. Sewage treatment - Wikipedia

   en.wikipedia.org/wiki/Sewage_treatment

   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]

3. Combined sewer - Wikipedia

   en.wikipedia.org/wiki/Combined_sewer

   Combined sewer. A combined sewer system. During dry weather (and small storms), all flows are handled by the publicly owned treatment works (POTW). During large storms, the relief structure allows some of the combined stormwater and sewage to be discharged untreated to an adjacent water body. A combined sewer is a type of gravity sewer with a ...

4. Clean Water State Revolving Fund - Wikipedia

   en.wikipedia.org/wiki/Clean_Water_State...

   Website. epa.gov /cwsrf. The Clean Water State Revolving Fund (CWSRF) is a self-perpetuating loan assistance authority for water quality improvement projects in the United States. The fund is administered by the Environmental Protection Agency and state agencies. The CWSRF, which replaced the Clean Water Act Construction Grants program ...

5. Milorganite - Wikipedia

   en.wikipedia.org/wiki/Milorganite

   Milorganite is a brand of biosolids fertilizer produced by treating sewage sludge by the Milwaukee Metropolitan Sewerage District. [1] The term is a portmanteau of the term Milwaukee Organic Nitrogen. The sewer system of the District collects municipal wastewater from the Milwaukee metropolitan area. After settling, wastewater is treated with ...

6. Septic tank - Wikipedia

   en.wikipedia.org/wiki/Septic_tank

   Groundwater pollution, water pollution e.g. during floods [ 1 ] A septic tank is an underground chamber made of concrete, fiberglass, or plastic through which domestic wastewater (sewage) flows for basic sewage treatment. [ 2 ] Settling and anaerobic digestion processes reduce solids and organics, but the treatment efficiency is only moderate ...

7. Membrane bioreactor - Wikipedia

   en.wikipedia.org/wiki/Membrane_bioreactor

   Membrane bioreactors are combinations of membrane processes like microfiltration or ultrafiltration with a biological wastewater treatment process, the activated sludge process. These technologies are now widely used for municipal and industrial wastewater treatment. [1] The two basic membrane bioreactor configurations are the submerged ...