Search for "Sanitation" on Wikipedia, Wikimedia Commons, Wiktionary, Wikiquote, Wikibooks, Wikia, Wikitravel, Google (excludes "Wikipedia", adds "water"), Yahoo (excludes "Wikipedia", adds "water").
In most cases, after water is used, the wastewater must be treated if the water is to be returned to the environment without environmental damage or danger to public health.
External links[]
- International Year of Sanitation 2008
- Cotterill Civils Ltd is a firm in the United Kingdom which offers drainage products.
- Septic tank information and resources
- Sewage treatment plant information and resources