- This category is for water purification (drinking water) treatment facilities.
- Sewage treatment plants (i.e. facilities that treat wastewater) are categorized at Category:Sewage treatment plants.
Subcategories
This category has the following 2 subcategories, out of 2 total.
D
Pages in category "Water treatment facilities"
The following 30 pages are in this category, out of 30 total. This list may not reflect recent changes.