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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 4 June 2018.

 

Hardness

System

mg/L as CaCO3

mmol/l

°d (German)

°f (French)

Allendale

94

0.9

5

9

Avoca

160

1.6

9

16

Ballan

100

1.0

6

10

Ballarat and District

100

1.0

6

10

Beaufort

24

0.2

1

2

Blackwood and Barry's Reef

22

0.2

1

2

Broomfield

94

0.9

5

9

Clunes

72

0.7

4

7

Creswick

100

1.0

6

10

Daylesford

21

0.2

1

2

Dean

110

1.1

6

11

Hepburn and Hepburn Springs

21

0.2

1

2

Kingston

94

0.9

5

9

Landsborough

34

0.3

2

3

Learmonth

100

1.0

6

10

Lexton

170

1.7

10

17

Maryborough and District

140

1.4

8

14

Newlyn

94

0.9

5

9

Smeaton

94

0.9

5

9

Springmount

94

0.9

5

9

Waubra

390

3.9

22

39

Last Updated

4/06/2018

 

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.