Rosslynne Reservoir supplies water to the Sunbury and Macedon Ranges area, and is located near Gisborne. Southern Rural Water also provides irrigation water from the reservoir to river diverters along the Maribyrnong River.
Pykes Creek Reservoir is located between Ballan and Myrniong. Water from here is used by famers in the Bacchus Marsh and Werribee Irrigation Districts. We also treat water from the reservoir and supply it to residents in Myrniong.