Document and Entity Information Document	6 Months Ended
	Apr. 30, 2015	Jun. 11, 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	Apr. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q2
Amendment Flag	false
Entity Common Stock, Shares Outstanding		4,953