A Wangaratta drug rehabilitation facility allocated funding in 2018 will be delivered on time, the government says, ahead of Tuesday's budget release.
Mr Foley said it would fill a gap as the first state-government-funded residential rehabilitation service.
Now as Health Minister, he reiterated that timeframe in a statement.
"These AOD rehabilitation centres are due to be delivered on time as promised to support Victorians in Gippsland, Hume and Barwon struggling with alcohol and other drug use," Mr Foley said.
"The designs for all three centres are complete with modular construction to begin offsite early next year."
Works carried out on the Wangaratta site to date include demolition of an old building, a sewer extension, removal of old telecommunications, electrical and water services.
Local trades have been invited to tender onsite construction works across the three locations.
DHHS is working with service providers to support them to deliver AOD treatment to the three communities towards the end of 2021.
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In Wangaratta, it will be a partnership between local community health service, Gateway Health and Odyssey House Victoria.
Gateway Health has previously indicated the facility will offer three-to-six-month programs and that the residential rehabilitation service would be staffed 24/7.