I've compiled a list of facilities, minus things like workshops. Not all the info is correct, and some may be missing:
Key:
T-Turntable
W-Water standpipe/columm
D-Diesel fuel point
Albury: T, D
Ararat: T (disconected)
Bacchus Marsh : T (under repair?)
Ballarat East: T, W, D
Benalla: T, W (Turntable disconected)
Bendigo: T, W, D
Castlemaine: T (currently only used by the VGR)
Colac: T, W (turntable booked out?)
Deniliquin: T (booked out)
Dimboola: T, D?
Echuca: T, W
Geelong: T, W, D
Maryborough: D
Mildura: T
Numerkah: T (booked out?)
Newport WS: T, W (Steamrail/Railworks)
Portland: D
Robinvale: T, W
Seymour: T (DG), W
South Dynon: T (1 BG, 1SG), D
St Arnaud: T, W (Turntable booked out)
Traralgon: T
Wallan: W
Warnambool: T
Whycheproof: T (booked out?)
Wodonga: T, D (disconected due to new bypass route)
Yarrawonga: T, W.
Tourist Railways
Belgrave PBR: W
cockatoo PBR: W
Daylesford DSCR: T, W, D
Drysdale BPR: T, W
Emerald PBR: T, W
Gembrook PBR: W
Healesville YVTR: T, W
Korumburra SGR: T
Lakeside PBR: W
Maldon VGR, T, W
Menzies Creek PBR: W
Moorooduc MTR: W
Nyora SGR: T (booked out)
Queenscliff BPR: W