Air Quality

September 17, 2011

With restrictions on the quantity and quality of wastewater that treatment plants can release into rivers, lakes and the sea,  contemporary water based sanitation systems are left with huge amounts of sewer sludge.  Whether incinerated or spread on agricultural land, sludge compromises air quality.

Learn More

EPA Air Toxics Website has a page on Sewage Sludge Incinerators with complete information on rules, standards of performance, and emissions guidelines.

Wastewater Systems This industry site was designed to assist  novices and experts alike to understand wastewater treatment system technology.  It gives an excellent breakdown of components and processes, including sludge incineration.

See also PHLUSH Sewage Sludge page.


Our Mission Through education and advocacy, PHLUSH helps local governments and citizen groups to provide equitable public restroom availability and to prepare for a pipe-breaking seismic event with appropriate ecological toilet systems.

Our Vision Toilet availability is a human right and well-designed sanitation systems restore health to our cities, our waters and our soils.

Public Hygiene Lets Us Stay Human (PHLUSH) was founded in Portland, Oregon and today collaborates with groups across North America.

PHLUSH is a member of the World Toilet Organization and a partner in the Sustainable Sanitation Alliance.

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