v3.25.2
Cover
Sep. 17, 2025
Cover [Abstract]  
Document Type 8-K
Document Period End Date Sep. 17, 2025
Entity Registrant Name HIGHWATER ETHANOL, LLC
Entity File Number 333-137482
Entity Tax Identification Number 20-4798531
Entity Incorporation, State or Country Code MN
Entity Address, Address Line One 24500 US HWY 14
Entity Address, Address Line Two PO Box 96
Entity Address, City or Town Lamberton
Entity Address, State or Province MN
Entity Address, Postal Zip Code 56152
City Area Code 507
Local Phone Number 752-6160
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001371451
Amendment Flag false