Publicly owned treatment works
Stickney Water Reclamation Plant, serving metropolitan Chicago
, is the largest sewage treatment plant in the world.A publicly owned treatment works (POTW) is a term used in the
domestic sewage and not industrial wastewater
.
The term is used extensively in U.S. water pollution law (i.e. the
Environmental Protection Agency (EPA).[3]
There are over 16,000 POTWs in the U.S., serving 75 percent of the total population.septic systems. The POTWs treat 32 billion US gallons (120 gigalitres) of wastewater every day.[5] Most POTWs are required to meet national secondary treatment standards.[6][7]
See also
- Category:Sewage treatment plants in the United States
- Clean Water State Revolving Fund (financial assistance for POTWs)
- Water pollution
- Water supply and sanitation in the United States
References
- ^ United States. Clean Water Act (CWA), Titles II and VI. 33 U.S.C. § 1281, 33 U.S.C. § 1381.
- ^ "National Pretreatment Program". National Pollutant Discharge Elimination System (NPDES). Washington, D.C.: U.S. Environmental Protection Agency (EPA). 2019-11-05.
- U.S. Congressional Research Service. pp. 4–5. RL30030.
- ^ "Water and Wastewater Systems Sector". Critical Infrastructure Sectors. Washington, D.C.: U.S. Department of Homeland Security. 2016-01-08.
- ^ "Basic Information about Water Security". Water Security. EPA. 2014-02-11. Archived from the original on 2015-09-06.
- ^ CWA sec. 304(d)(1), 33 U.S.C. § 1314(d)(1) and "Secondary Treatment Regulation", Code of Federal Regulations, 40 CFR Part 133.
- ^ "Secondary Treatment Standards". National Pollutant Discharge Elimination System. EPA. 2016-11-01.