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GWMWater owns and operates 12 water treatment plants. AquaTower operates four water treatment plants under a 25-year Build Own Operate Transfer (BOOT) Scheme.
How is your water treated?
| Water Supply | | Population Served | | Treatment Processes | | Chemicals Used In Treatment |
| Ararat ^ |
|
7,067 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Lime, potassium permanganate, powdered activated carbon, aluminium sulphate, chlorine |
| Beulah |
|
200 |
|
Disinfection |
|
Chlorine |
| Birchip |
|
681 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sulphuric acid, polyaluminium chloride, chlorine |
| Brim |
|
121 |
|
Disinfection |
|
Chlorine, ammonia |
| Charlton |
|
1,068 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sulphuric acid, polyaluminium chloride, chlorine |
| Dimboola |
|
1448 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sodium hydroxide, aluminium sulphate, chlorine |
| Donald |
|
1,392 |
|
Disinfection |
|
Chlorine |
| Edenhope |
|
709 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection |
|
Aluminium sulphate, sodium hypochlorite |
| Great Western ^ |
|
176 |
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Microfiltration, disinfection, pH correction |
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Sulphuric acid, polyaluminium chloride, sodium hydroxide, chlorine |
| Halls Gap ^ |
|
419 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Lime, aluminium sulphate, chlorine |
| Hopetoun |
|
564 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection, pH correction |
|
Soda ash, aluminium sulphate, chlorine |
| Horsham |
|
13,516 |
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Coagulation, flocculation, dissolved air flotation, filtration, disinfection, fluoridation, pH correction |
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Lime, aluminium sulphate, chlorine, carbon dioxide, fluorosilicic acid (fsa) |
| Jung |
|
106 |
|
Disinfection |
|
Sodium hypochlorite |
| Lake Bolac |
|
205
|
|
Microfiltration, disinfection
- receives water from Willaura |
|
Chlorine, ammonia |
| Lalbert |
|
111 |
|
Disinfection |
|
Chlorine |
| Manangatang |
|
289 |
|
Disinfection |
|
Chlorine |
| Minyip |
|
438 |
|
Disinfection |
|
Chlorine |
| Murtoa |
|
734 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sodium hydroxide, aluminium sulphate, chlorine |
| Natimuk |
|
428
|
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, fluoridation, pH correction |
|
Lime, aluminium sulphate, chlorine, carbon dioxide, fluorosilicic acid (fsa) |
| Nullawil |
|
77 |
|
Disinfection |
|
Chlorine |
| Ouyen |
|
1,019 |
|
Microfiltration, disinfection |
|
Chlorine |
| Pomonal |
|
282 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction
- receives water from Halls Gap
|
|
Lime, aluminium sulphate, chlorine |
| Quambatook |
|
226 |
|
Disinfection |
|
Chlorine |
| Rainbow |
|
455 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection, pH correction |
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Sulphuric acid, polyaluminium chloride, soda ash, chlorine |
| Rupanyup |
|
354 |
|
Disinfection |
|
Chlorine |
| Sea Lake |
|
597 |
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Disinfection |
|
Chlorine |
| St Arnaud |
|
2,099 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Aluminium sulphate, sodium hydroxide, chlorine |
| Stawell ^ |
|
5,539 |
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Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Carbon dioxide, sodium hypochlorite, lime, aluminium sulphate, chlorine |
| Underbool |
|
202
|
|
Coagulation, sand filtration, pH correction |
|
Aluminium sulphate, sulphate acid, chlorine |
| Ultima |
|
172 |
|
Disinfection |
|
Chlorine |
| Walpeup |
|
96 |
|
Disinfection |
|
Chlorine |
| Warracknabeal |
|
2,381 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Powdered activated carbon, lime, aluminium sulphate, chlorine |
| Willaura |
|
269
|
|
Microfiltration, disinfection |
|
Chlorine, ammonia |
| Woomelang |
|
185 |
|
Disinfection |
|
Chlorine |
| Wycheproof |
|
681 |
|
Disinfection |
|
Chlorine |
^ Operated by AquaTower under a BOOT Contract
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