Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

v3.19.2
Document and Entity Information - USD ($)
12 Months Ended
Mar. 31, 2019
Jun. 28, 2019
Sep. 30, 2018
Document Type 10-K    
Amendment Flag false    
Document Period End Date Mar. 31, 2019    
Entity Registrant Name ALKALINE WATER Co INC    
Entity Central Index Key 0001532390    
Current Fiscal Year End Date --03-31    
Entity Filer Category Accelerated Filer    
Entity Common Stock, Shares Outstanding   41,347,512  
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Well Known Seasoned Issuer No    
Entity Public Float     $ 118,373,047.60
Document Fiscal Year Focus 2019    
Document Fiscal Period Focus FY    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Ex Transition Period false