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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 |
| Birchip |
|
678 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sulphuric acid, polyaluminium chloride, chlorine |
| Charlton |
|
1,073 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sulphuric acid, polyaluminium chloride, chlorine |
| Dimboola |
|
1443 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Sodium hydroxide, aluminium sulphate, chlorine |
| Edenhope |
|
701 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection |
|
Aluminium sulphate, sodium hypochlorite |
| Great Western |
^ |
174 |
|
Microfiltration, disinfection, pH correction |
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Sulphuric acid, polyaluminium chloride, sodium hydroxide, chlorine |
| Halls Gap |
^ |
404 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
|
Lime, aluminium sulphate, chlorine |
| Hopetoun |
|
557 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection, pH correction |
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Soda ash, aluminium sulphate, chlorine |
| Horsham |
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13,593 |
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Coagulation, flocculation, dissolved air flotation, filtration, disinfection, fluoridation, pH correction |
|
Lime, aluminium sulphate, chlorine, carbon dioxide, fluorosilicic acid (fsa) |
| Lake Bolac |
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202
|
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Microfiltration, disinfection
- receives water from Willaura |
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Chlorine, ammonia |
| Manangatang |
|
295 |
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Disinfection, AMIAD filtration |
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Chlorine |
| Murtoa |
|
729 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Sodium hydroxide, aluminium sulphate, chlorine |
| Natimuk |
|
429
|
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, fluoridation, pH correction
- receives water from Horsham (Mt Zero)
|
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Lime, aluminium sulphate, chlorine, carbon dioxide, fluorosilicic acid (fsa) |
| Nullawil |
|
79 |
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Disinfection |
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Chlorine |
| Ouyen |
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1,004 |
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Microfiltration, disinfection |
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Chlorine |
| Pomonal |
|
280 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction
- receives water from Halls Gap
|
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Lime, aluminium sulphate, chlorine |
| Quambatook |
|
224 |
|
Disinfection |
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Chlorine |
| Rainbow |
|
447 |
|
Coagulation, flocculation, dissolved air flotation, filtration, desalination, disinfection, pH correction |
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Sulphuric acid, polyaluminium chloride, soda ash, chlorine |
| Sea Lake |
|
592 |
|
Disinfection |
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Chlorine |
| St Arnaud |
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2,065 |
|
Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Aluminium sulphate, sodium hydroxide, chlorine |
| Stawell |
^ |
5,473 |
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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 |
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199
|
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Coagulation, sand filtration, pH correction |
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Aluminium sulphate, sulphate acid, chlorine |
| Walpeup |
|
93 |
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Disinfection |
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Chlorine |
| Warracknabeal |
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2,368 |
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Coagulation, flocculation, dissolved air flotation, filtration, disinfection, pH correction |
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Powdered activated carbon, lime, aluminium sulphate, chlorine |
| Willaura |
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267
|
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Microfiltration, disinfection |
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Chlorine, ammonia |
^ Operated by AquaTower under a BOOT Contract
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