Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Mar. 31, 2016
Jul. 13, 2016
Sep. 30, 2015
Document Type 10-K    
Amendment Flag false    
Document Period End Date Mar. 31, 2016    
Trading Symbol wter    
Entity Registrant Name ALKALINE WATER Co INC    
Entity Central Index Key 0001532390    
Current Fiscal Year End Date --08-31    
Entity Filer Category Smaller Reporting Company    
Entity Common Stock, Shares Outstanding   15,239,672  
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well Known Seasoned Issuer No    
Entity Public Float     $ 10,657,953
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY