(Institute of Medicine, 2005). Dietary reference intakes for water, potassium, sodium chloride and sulfate. Washington DC: The National Academies Press
| Total water intake per day, including water contained in food | Water obtained from drinks per day | |
|---|---|---|
| Infants 0-6 months |
700 ml assumed to be from breast milk | |
| 7-12 months |
800 ml from milk and complementary foods and beverages | 600 ml |
| 1-3 years | 1300 ml | 900 ml |
| 4-8 years | 1700 ml | 1200 ml |
| Boys 9-13 years | 2400 ml | 1800 ml |
| Girls 9-13 years | 2100 ml | 1600 ml |
| Boys 14-18 years | 3300 ml | 2600 ml |
| Girls 14-18 years | 2300 ml | 1800 ml |
The above recommendations are for adequate intakes and should not be interpreted as a specific requirement. Higher intakes of totalwater will be required for those who are physically active or who are exposed to hot environments. It should be noted that obese children may also require higher total intakes of water.
From: Constipation in children and young people: diagnosis and management
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