CKD Daily Limit Impact
Based on CKD Stage 3-4 daily limits
Snacks
Safe
Tap Water
Nutrition facts & CKD safety rating per 100gram serving
Serving Size
100.0 gram
Calories
0 kcal
Protein
0.0 g
Carbs
0.0 g
Fat
0.0 g
Phosphorus Learn more →
0 mg
Sodium Learn more →
4 mg
Potassium Learn more →
0 mg
Source & Notes
USDA FNDDS (foodCode: 94000100)
Frequently Asked Questions
Is Tap Water safe for people with kidney disease?
Tap Water is rated Safe for CKD patients. Good choice for kidney disease patients. With 0.0mg phosphorus, 4.0mg sodium, and 0.0mg potassium per 100.0g serving, it can be enjoyed in normal portion sizes. Always confirm with your nephrologist or renal dietitian.
How much phosphorus is in Tap Water?
A 100.0g serving of Tap Water contains 0mg of phosphorus, which is approximately 0% of the recommended 1,000mg daily limit for CKD Stage 3-4 patients.
How much sodium is in Tap Water?
Per 100.0g serving, Tap Water provides 4mg of sodium — about 0% of the 2,300mg daily sodium limit recommended for kidney patients.
How much potassium is in Tap Water?
Tap Water contains 0mg of potassium per 100.0g serving, equivalent to about 0% of the daily 2,000mg potassium limit for CKD Stage 3-4 patients.
Can dialysis patients eat Tap Water?
Dialysis patients have stricter mineral limits. Given Tap Water is rated Safe (Good choice for kidney disease patients), it is generally a good choice for dialysis patients in normal portions. Your dialysis team can give you personalised portion advice.
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Last updated: April 18, 2026 · Data source: USDA FoodData Central & KDOQI guidelines