During 2009–10, storage levels in reservoirs managed by Melbourne Water increased. These increases enabled water restrictions in the region to be eased from Stage 3a to Stage 3 in March 2010 (as shown in the table below).
| Area | Stage 3a restrictions | Stage 3 restrictions | 
|---|---|---|
| Metropolitan Melbourne | July 2009 – March 2010 | April 2010 – June 2010 | 
| Areas serviced by Western Water | July 2009 – April 2010 | May 2010 – June 2010 | 
Storage levels in storages managed by Southern Rural Water increased from 5% to 7.5% of capacity during 2009–10.
During 2009–10, bans applied to diversions from 26 unregulated streams as well as to irrigation and regulated diversions from some streams (see table below).
| Waterway | 2009 | 2010 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | |
| Arundel Creek | IB | IB | ||||||||||
| Darebin Creek | IB | IB |  | |||||||||
| Diamond Creek | IB | IB | IB | IB | IB | |||||||
| Don Creek | IB | IB | IB | |||||||||
| Gardiners Creek | IB | IB | IB | |||||||||
| Hoddles Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Little Yarra River | R | R | R | R | R | R | R | R | ||||
| Maribyrnong River | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB* | IB* | IB* | 
| Moonee Ponds Creek | IB | IB | IB | |||||||||
| Mullum Mullum Creek | IB | IB | IB | |||||||||
| Pauls Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Plenty River | IB | IB | IB | IB | IB | IB | IB | IB | ||||
| Steels/Dixon Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | |||
| Wandin Yallock Creek | IB | IB | IB | IB | IB | IB | IB | |||||
| Woori Yallock Creek | IB | IB | IB | IB | IB | IB | ||||||
| Yarra River (upper) | R | R | R | |||||||||
| Yarra River (lower) | R | R | R | R | R | |||||||
| Waterway | 2009 | 2010 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul | Aug | Sep | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | |
| Baringo Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Bolinda Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Deep Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Jacksons Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Kororoit Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Lerderderg River | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Monbulk Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
| Riddels Creek | S1 | S1 | S1 | S1 | S1 | |||||||
| Witch Creek | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | IB | 
S1 = stage 1 = simple roster (pumping times restricted)
IB = irrigation ban
For more information on the irrigation restrictions, please refer to the Victorian Department of Sustainability and Environment Monthly Water Reports.