This type of ERU provides clean water and hygienic environment to affected populations. There are three modules available according to water volume and quality required and to beneficiary numbers and locations. WHO Drinking Water Guidelines and Sphere standards guide the modules’ work.

Staff: 4 to 8 water engineers / technicians/ hygiene promoters with each module  
The Austrian, British, French, German, Swedish and Spanish Red Cross
*Wat/Sun: Water and Sanitation