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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 June, 2017

 

 

Hardness

System

mg/L as CaCO3

mmol/l

°d (German)

°f (French)

Allendale

110

1.1

6

11

Avoca

170

1.7

10

17

Ballan

101

1.0

6

10

Ballarat and District

101

1.0

6

10

Beaufort

20

0.2

1

2

Blackwood and Barry's Reef

24

0.2

1

2

Broomfield

110

1.1

6

11

Clunes

64

0.6

4

6

Creswick

101

1.0

6

10

Daylesford

19

0.2

1

2

Dean

94

0.9

5

9

Hepburn and Hepburn Springs

19

0.2

1

2

Kingston

110

1.1

6

11

Landsborough

44

0.4

2

4

Learmonth

130

1.3

7

13

Lexton

180

1.8

10

18

Maryborough and District

130

1.3

7

13

Newlyn

110

1.1

6

11

Smeaton

110

1.1

6

11

Springmount

110

1.1

6

11

Waubra

430

4.3

24

43

 

 

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.