Water Hardness Levels by City
Curious about your water's hardness level?
Hard water is a common issue that affects many households. Unfortunately, it is impossible to control whether tap water is hard or soft. The harder the water, the more minerals build up, causing unsightly, undesirable, and costly issues.
Check out our informative water hardness charts below to determine your water hardness level, and contact us or an Excalibur Dealer to learn more about water softening solutions for your household.
Water Hardness Levels
< 1 gpg
Soft
1-3.5 gpg
Slightly
Hard
> 3.5-7 gpg
Moderately
Hard
> 7-10.5 gpg
Hard
> 10.5 gpg
Very
Hard
Alberta
British Columbia
Ontario
Water Hardness - By City - Ontario
| City, Province | Hardness Grains (gpg) | Dealer Reference |
|---|---|---|
| Ajax, ON | 7.3 gpg | Excalibur Dealers |
| Arnprior, ON | 3.2 gpg | Excalibur Dealers |
| Alliston, ON | 5.3 gpg | Excalibur Dealers |
| Aurora, ON | 7.6 gpg | Excalibur Dealers |
| Ayr, ON | 21 gpg | Excalibur Dealers |
| Barrie, ON | 8 - 25 gpg | Excalibur Dealers |
| Beaverton, ON | 8.7 gpg | Excalibur Dealers |
| Beeton, ON | 5.3 gpg | Excalibur Dealers |
| Belleville, ON | 8.4 gpg | Excalibur Dealers |
| Bolton, ON | 7 gpg | Excalibur Dealers |
| Bowmanville, ON | 7.3 gpg | Excalibur Dealers |
| Bracebridge, ON | 10 gpg | Excalibur Dealers |
| Bradford, ON | 9 gpg | Excalibur Dealers |
| Brampton, ON | 7.5 gpg | Excalibur Dealers |
| Brantford, ON | 8.6 gpg | Excalibur Dealers |
| Brighton, ON | 16 gpg | Excalibur Dealers |
| Brockville, ON | 7 gpg | Excalibur Dealers |
| Burford, ON | 21.4 gpg | Excalibur Dealers |
| Caledon, ON | 14 gpg | Excalibur Dealers |
| Cambridge, ON | 17.7 gpg | Excalibur Dealers |
| Campbellford, ON | 6.1 gpg | Excalibur Dealers |
| Chatham, ON | 7 gpg | Excalibur Dealers |
| Clinton, ON | 18.7 gpg | Excalibur Dealers |
| Cobourg, ON | 6.7 gpg | Excalibur Dealers |
| Cochrane, ON | 22.2 gpg | Excalibur Dealers |
| Concord, ON | 7.6 gpg | Excalibur Dealers |
| Cornwall, ON | 7 gpg | Excalibur Dealers |
| Etobicoke, ON | 8.3 gpg | Excalibur Dealers |
| Fergus, ON | 38 gpg | Excalibur Dealers |
| Goderich, ON | 6 gpg | Excalibur Dealers |
| Guelph, ON | 28 gpg | Excalibur Dealers |
| Haliburton, ON | 17.2 - 26 gpg | Excalibur Dealers |
| Hamilton, ON | 8.4 gpg | Excalibur Dealers |
| Havelock, ON | 6.1 gpg | Excalibur Dealers |
| Hearst, ON | 5.6 gpg | Excalibur Dealers |
| Iroquois Falls, ON | 4.7 gpg | Excalibur Dealers |
| Keswick, ON | 8.8 gpg | Excalibur Dealers |
| Kincardine, ON | 4.4 gpg | Excalibur Dealers |
| Kingston, ON | 7.5 gpg | Excalibur Dealers |
| Kitchener, ON | 17 - 38 gpg | Excalibur Dealers |
| Lindsay, ON | 11 gpg | Excalibur Dealers |
| London, ON | 5.6 gpg | Excalibur Dealers |
| Markham, ON | 7.3 gpg | Excalibur Dealers |
| Mattawa, ON | 3 gpg | |
| Mississauga, ON | 7.3 gpg | Excalibur Dealers |
| Napanee, ON | 5 gpg | Excalibur Dealers |
| New Liskeard, ON | 13.1 gpg | Excalibur Dealers |
| Newmarket, ON | 8.6 gpg | Excalibur Dealers |
| Niagara Falls, ON | 6.6 gpg | Excalibur Dealers |
| Nobleton, ON | 14.1 | Excalibur Dealers |
| North Bay, ON | 0.7 gpg | Excalibur Dealers |
| Oakville, ON | 8.5 gpg | Excalibur Dealers |
| Orangeville, ON | 19 gpg | Excalibur Dealers |
| Orillia, ON | 9.9 gpg | Excalibur Dealers |
| Oshawa, ON | 5.3 gpg | Excalibur Dealers |
| Ottawa, ON | 1.9 gpg | Excalibur Dealers |
| Owen Sound, ON | 5.6 gpg | Excalibur Dealers |
| Paris, ON | 43 gpg | Excalibur Dealers |
| Pembroke, ON | 2 gpg | Excalibur Dealers |
| Peterborough, ON | 5.3 gpg | Excalibur Dealers |
| Pickering, ON | 7.4 gpg | Excalibur Dealers |
| Port Hope, ON | 5.8 gpg | Excalibur Dealers |
| Port Perry, ON | 16 gpg | Excalibur Dealers |
| Renfrew, ON | 8.6 gpg | Excalibur Dealers |
| Richmond Hill, ON | 7.5 gpg | Excalibur Dealers |
| Seaforth, ON | 35 gpg | Excalibur Dealers |
| Simcoe, ON | 17.2 gpg | Excalibur Dealers |
| Shelburne, ON | 19 gpg | Excalibur Dealers |
| Stratford, ON | 35 gpg | Excalibur Dealers |
| Strathroy, ON | 4.9 gpg | Excalibur Dealers |
| Sturgeon Falls, ON | 3 gpg | Excalibur Dealers |
| Sudbury, ON | 25.8 gpg | Excalibur Dealers |
| Teeswater, ON | 18 gpg | Excalibur Dealers |
| Thunder Bay, ON | 2.6 gpg | Excalibur Dealers |
| Tilsonburg, ON | 14.6 gpg | Excalibur Dealers |
| Timmins, ON | 2.6 gpg | |
| Toronto, ON | 6.8 gpg | Excalibur Dealers |
| Tottenham, ON | 10.5 gpg | Excalibur Dealers |
| Trenton, ON | 11.7 - 14.6 gpg | Excalibur Dealers |
| Uxbridge, ON | 10.9 gpg | Excalibur Dealers |
| Vaughan, ON | 7.4 gpg | Excalibur Dealers |
| Walkerton, ON | 23 gpg | Excalibur Dealers |
| Wasaga Beach, ON | 10.7 gpg | Excalibur Dealers |
| Waterloo, ON | 17 gpg | Excalibur Dealers |
| Whitby, ON | 7.3 gpg | Excalibur Dealers |
| Woodstock, ON | 25 gpg | Excalibur Dealers |
