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2. History of water supply and sanitation - Wikipedia

   en.wikipedia.org/wiki/History_of_water_supply...

   By the 1840s the luxury of indoor plumbing, which mixes human waste with water and flushes it away, eliminated the need for cesspools. Modern sewerage systems were first built in the mid-nineteenth century as a reaction to the exacerbation of sanitary conditions brought on by heavy industrialization and urbanization. Baldwin Latham, a British ...

3. Plumbing - Wikipedia

   en.wikipedia.org/wiki/Plumbing

   Plumbing is any system that conveys fluids for a wide range of applications. Plumbing uses pipes, valves, plumbing fixtures, tanks, and other apparatuses to convey fluids. [1] Heating and cooling (HVAC), waste removal, and potable water delivery are among the most common uses for plumbing, but it is not limited to these applications. [2]

4. Tap water - Wikipedia

   en.wikipedia.org/wiki/Tap_water

   Tap water is commonly used for drinking, cooking, and washing. Indoor tap water is distributed through indoor plumbing, which has been around since antiquity but was available to very few people until the second half of the 19th century when it began to spread in popularity in what are now developed countries.

5. Water treatment - Wikipedia

   en.wikipedia.org/wiki/Water_treatment

   Dalecarlia Water Treatment Plant, Washington, D.C. Water treatment is any process that improves the quality of water to make it appropriate for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the environment.

6. Water supply - Wikipedia

   en.wikipedia.org/wiki/Water_supply

   Some water utilities provide only water supply services, while sewerage is under the responsibility of a different entity. This is for example the case in Tunisia. However, in most cases water utilities also provide sewer and sewage treatment services. In some cities or countries utilities also distribute electricity.

7. List of countries by access to improved sanitation facilities

   en.wikipedia.org/wiki/List_of_countries_by...

   The Joint Monitoring Programme for Water Supply and Sanitation of WHO and UNICEF has defined improved sanitation as follows: flush toilet, [4] connection to a piped sewer system, connection to a septic system, flush/pour-flush to a pit latrine, ventilated improved pit (VIP) latrine, pit latrine with slab, composting toilet and/or some special ...