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Water hardness

Water hardness refers to the concentration of calcium and magnesium salts in the water. 

User manuals for new appliances, such as dishwashers, sometimes recommend that you check water hardness levels in your water supply before connecting the appliance.

The Australian Drinking Water Guidelines recommend that a 'good' level of hardness (measured as calcium carbonate – CaCO3) is less than 200mg/L.

The below table shows average water hardness levels as at 5 September, 2017

 

 

Hardness

System

mg/L as CaCO3

mmol/l

°d (German)

°f (French)

Allendale

57

0.6

3

6

Avoca

58

0.6

3

6

Ballan

103

1.0

6

10

Ballarat and District

103

1.0

6

10

Beaufort

18

0.2

1

2

Blackwood and Barry's Reef

21

0.2

1

2

Broomfield

57

0.6

3

6

Clunes

46

0.5

3

5

Creswick

103

1.0

6

10

Daylesford

17

0.2

1

2

Dean

88

0.9

5

9

Hepburn and Hepburn Springs

17

0.2

1

2

Kingston

57

0.6

3

6

Landsborough

32

0.3

2

3

Learmonth

120

1.2

7

12

Lexton

150

1.5

8

15

Maryborough and District

120

1.2

7

12

Newlyn

57

0.6

3

6

Smeaton

57

0.6

3

6

Springmount

57

0.6

3

6

Waubra

410

4.1

23

41

 

 



Ballarat and district includes the localities of Nerrina, Bungaree, Wallace, Buninyong, Mt Helen, Cardigan Village, Enfield, Fiskville, Glenmore, Gordon, Mt. Egerton, Haddon, Lal Lal, Linton, Napoleons, Sebastopol, Skipton, Smythesdale and Wendouree.

Maryborough and district includes the localities of Alma, Bet Bet, Carisbrook, Daisy Hill, Majorca, Talbot and Timor.

If you have any enquiries or concerns about the quality of your water supply, please contact us on 1800 061 514.