Reference Manual

AAMI & EPA Standards for Water Analysis

Table 1. AAMI/ISO 23500-3: 2019 Standards for Dialysis Water*

Contaminants Max Concentration in mg/L (ppm) unless otherwise noted Notes
Aluminum 0.01 Contaminants with documented toxicity in hemodialysis
Copper 0.1
Fluoride 0.2
Lead 0.005
Nitrate (as N) 2
Sulfate 100
Zinc 0.1
Calcium 2 (0.1 mEq/L) Contaminants normally included in dialysate
Magnesium 4 (0.3 mEq/L)
Potassium 8 (0.2 mEq/L)
Sodium 70 (3.0 mEq/L)
Antimony 0.006 Other Contaminants
Arsenic 0.005
Barium 0.1
Beryllium 0.0004
Cadmium 0.001
Chromium 0.014
Mercury 0.0002
Selenium 0.09
Silver 0.005
Thallium 0.002
Maximum allowable chemical contaminant levels in water used to prepare dialysate, create concentrates from powder and reprocess dialyzers for multiple use.
*The physician has the ultimate responsibility for ensuring the quality of water used for dialysis.

Table 2. EPA Standards for Drinking Water

Contaminants Maximum Contaminate Levels in mg/L (ppm)
Aluminum* 0.2
Antimony 0.006
Arsenic 0.01
Barium 2
Beryllium 0.004
Cadmium 0.005
Calcium N/A
Chromium 0.1
Copper 1.3
Fluoride 4.0
Lead 0.015
Magnesium N/A
Mercury 0.002
Nitrate (as N) 10
Potassium N/A
Selenium 0.05
Silver* 0.1
Sodium N/A
Sulfate* 250
Thallium 0.002
Zinc* 5
References:
https://www.epa.gov/ground-water-and-drinking-water/national-primary-drinking-water-regulations
* https://www.epa.gov/sdwa/secondary-drinking-water-standards-guidance-nuisance-chemicals