Document and Entity Information Document
3 Months Ended
Jan. 31, 2015
Mar. 10, 2015
Entity Information [Line Items]    
Entity Registrant Name HIGHWATER ETHANOL LLC  
Entity Central Index Key 0001371451  
Current Fiscal Year End Date --10-31  
Entity Filer Category Non-accelerated Filer  
Document Type 10-Q  
Document Period End Date Jan. 31, 2015  
Document Fiscal Year Focus 2014  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   4,953