Water Hardness Level By City - Ontario
- Canada
- Alberta
- British Columbia
- Manitoba
- Newfoundland
- New Brunswick
- Nova Scotia
- Ontario
- Quebec
- Saskatchewan
- PEI
City Name | Province | Hardness mg/L | Hardness Grains/Gallon | Source |
---|---|---|---|---|
Acton | ON | 312 | 22 | Source |
Almonte | ON | 361 - 463 | 21 - 27 | Source |
Ajax | ON | 125 | 7.3 | Source |
Alliston | ON | 90 | 5.3 | |
Amherstburg | ON | 102 | 6.0 | |
Ancaster | ON | 120 | 8.4 | Source |
Ansnorveldt | ON | 118 | 6.9 | Source |
Arnprior | ON | 50 | 2.9 | Source |
Aurora | ON | 133 - 138 | 8.0 | Source |
Ayr | ON | 359 | 21 | Source |
Azilda | ON | 80 - 100 | 4.7 - 5.8 | |
Baden | ON | 342 | 20 | Source |
Ballantrae/Musselman’s Lake | ON | 229 | 13.4 | Source |
Barrie | ON | 170 - 257, 103 - 137 | 10 - 15, 6- 8 | |
Beamsville | ON | 242 | 14.2 | |
Beaverton | ON | 148 | 8.7 | Source |
Beeton | ON | 90 | 5.3 | |
Belleville | ON | 100 - 144 | 5.8 - 8.4 | |
Blackstock | ON | 316 | 18.5 | Source |
Bolton | ON | 115 - 128 | 7 - 7.6 | Source |
Bowmanville | ON | 125 | 7.3 | Source |
Bracebridge | ON | 8 - 12 | 137 - 205 | Source |
Branchton Meadows | ON | 461.7 | 27 | Source |
Brampton | ON | 115 - 128 | 7 - 7.6 | Source |
Brantford | ON | 310 | 18 | Source |
Breslau | ON | 427.5 | 25 | Source |
Brighton | ON | 273 | 16 | |
Brockville | ON | 120 | 7 | |
Brooklin | 125 | 7.3 | Source | |
Buckingham Woods | ON | 286 | 16.6 | Source |
Burks Falls | ON | 171 | 10 | |
Burlington | ON | 121 | 8.6 | |
Cainsville | ON | 376 | 22 | Source |
Caledon East (Palgrave System) | ON | 274 - 376 | 16 - 22 | Source |
Cambridge (click for more info) | ON | 291 - 650 | 17 - 38 | Source |
Campbellville | ON | 335 | 23.5 | Source |
Cannington | ON | 312 | 18.2 | Source |
Carleton Place | ON | 88 - 130 | 5.1 - 7.6 | Source |
Carp | ON | 200 | 11.7 | Source |
Cayuga | ON | 120 | 8.4 | Source |
Chatham | ON | 110 - 120 | 6.4 - 7.0 | Source |
Chepstow | ON | 239.4 | 14 | |
Chippawa | ON | 131 | 7.7 | Source |
Clifford | ON | 250 | 14.6 | |
Clinton | ON | 320 | 18.7 | Source |
Cobalt | ON | 55 | 3.2 | |
Cobourg | ON | 115 | 6.7 | |
Cochrane | ON | 350 - 380 | 20.5 - 22.2 | Source |
Collingwood | ON | 86 - 94 | 5 - 5.5 | Source |
Colling-Woodlands | ON | 306 | 17.9 | Source |
Conestogo - East of Grand River | ON | 547 | 32 | Source |
Conestogo - West of Grand River | ON | 359 | 21 | Source |
Copper Cliff | ON | 80 - 100 | 4.7 - 5.8 | |
Cornwall | ON | 120 | 7 | |
Creemore | ON | 352 | 20.6 | Source |
Delhi | ON | 176 - 180 | 11.6 - 11.8 | |
Deseronto | ON | 103 - 122 | 6 - 7.1 | Source |
Dryden | ON | 60 | 3.5 | |
Dundas | ON | 120 | 8.4 | Source |
Dunnville | ON | 120 | 8.4 | Source |
Elmira | ON | 325 | 19 | |
Elora | ON | 423 | 30 | Source |
Essex | ON | 120 | 7 | |
Etobicoke | ON | 121 - 142 | 7.1 - 8.3 | Source |
Fergus | ON | 540 | 38 | Source |
Fonthill | ON | 254 | 14.9 | |
Fort Williams | ON | 30 - 60 | 1.8 - 3.5 | Source |
Foxboro Green | ON | 975 | 57 | Source |
Galt | ON | 342 - 410 | 20 - 24 | |
Gannonoque | ON | 60 - 120 | 3.5 - 7 | |
Georgetown | ON | 336 | 23.6 | Source |
Georgina | ON | 150 | 8.8 | Source |
Goderich | ON | 103 | 6 | |
Greely | ON | 350 | 20.5 | Source |
Greenbank | ON | 276 | 16.1 | Source |
Grimsby | ON | 119 | 7 | Source |
Guelph | ON | 360 - 550 | 21 - 32 | Source |
Hagersville | ON | 120 | 8.4 | Source |
Haileybury | ON | 85.6 | 5 | |
Hamilton | ON | 120 | 8.4 | Source |
Hanover | ON | 290 - 510 | 17 - 29.8 | Source |
Harrow | ON | 120 | 7 | |
Hawkesbury | ON | 54.3 | 3.2 | Source |
Heidelberg | ON | 547 | 32 | Source |
Hespeler | ON | 325 | 19 | |
Holland Landing | ON | 173 | 10.1 | Source |
Ingersoll | ON | 313 | 22 | Source |
Innerkip | ON | 860 | 50 | Source |
Iroquois Falls | ON | 81 | 4.7 | |
Islington | ON | 121 - 142 | 7.1 - 8.3 | Source |
Kapuskasing | ON | 80 | 4.7 | Source |
Kemptville | ON | 400 | 23 | |
Kenora | ON | 72 | 4.2 | |
Keswick | ON | 150 | 8.8 | Source |
King City | ON | 135 | 7.9 | Source |
Kingston | ON | 483 - 531, 120 - 133 | 28 - 31, 7 - 7.8 | Source |
Kirkland Lake | ON | 40 | 2.3 | |
Kitchener (click for more info) | ON | 291 - 650 | 17 - 38 | Source |
Kleinburg | ON | 131 | 7.7 | Source |
Lake Rosalind | ON | 428 | 25 | |
Lansing | ON | 121 - 142 | 7 - 8.3 | Source |
Leamington | ON | 120 | 7 | |
Lindsay | ON | 180 | 11 | Source |
Linwood | ON | 137 | 8 | Source |
Listowel | ON | 261 | 15.3 | |
Lloyd Brown | ON | 530 | 31 | Source |
London | ON | 101 - 119 | 5.9 - 7.0 | Source |
Lucan | ON | 102 | 6 | Source |
Lucknow | ON | 206 - 209 | 12.03 - 12.0 | |
Mannheim Village | ON | 428 | 25 | Source |
Markham | ON | 128 | 7.5 | Source |
Maryhill | ON | 359 | 21 | Source |
Mattawa | ON | 52.4 | 3 | |
McKean | ON | 340 | 19.9 | Source |
Meaford | ON | 90.7 | 5.3 | |
Merritton | ON | 124 | 7.3 | Source |
Midland | ON | 257 - 513 | 15 - 30 | |
Milton (more info here) | ON | 125 - 295 | 8.8 -20.7 | |
Mitchell | ON | 479 | 28 | |
Mississauga | ON | 115 - 128 | 7 - 7.6 | Source |
Mount Forest | ON | 269 - 300 | 15.7 - 17.5 | |
Mount Albert | ON | 324 | 18.9 | Source |
Mt. Pleasannt | ON | 366 | 21.4 | Source |
Munster | ON | 285 | 16.7 | Source |
Musselman's Lake | ON | 174 | 10.2 | Source |
Newcastle | ON | 125 | 7.3 | Source |
New Dundee | ON | 359 | 21 | Source |
New Hamburg | ON | 325 | 19 | Source |
New Liskeard | ON | 85.6 | 5 | |
New Lowell | ON | 50 | 2.9 | Source |
New Toronto | ON | 121 - 142 | 7 - 8.3 | Source |
Newmarket | ON | 135 - 194 | 7.9 - 11.3 | Source |
Niagara Falls | ON | 131 | 7.7 | Source |
Nobleton | ON | 245 | 14.3 | Source |
North Bay | ON | 12 - 21 | 0.7 - 1.2 | |
North York Twsp. | ON | 121 - 142 | 7 - 8.3 | Source |
Norwick | ON | 256 | 18 | Source |
Oakville | ON | 121 | 8.5 | Source |
Orangeville | ON | 325 | 19 | Source |
Orillia | ON | 90.4 - 300.8 | 5.3 - 17.6 | Source |
Orono | ON | 309 | 18.1 | Source |
Oshawa | ON | 125 | 7.3 | Source |
Ottawa | ON | 30 | 1.8 | Source |
Owen Sound | ON | 96 | 5.6 | |
Paisley | ON | 350 | 20 - 21 | |
Paris | ON | 684 | 37 - 43 | Source |
Parkhill | ON | 115 | 6.7 | |
Parry Sound | ON | 35 - 60 | 2 - 3.5 | Source |
Pembroke | ON | 20 - 32 | 1.2 - 1.9 | |
Penetanguishene | ON | 167 - 250 | 9.8 - 14.6 | |
Perth | ON | 80 - 100 | 4.7 - 5.8 | |
Peterborough | ON | 91 | 5.3 | Source |
Pickering | ON | 137 | 8.0 | Source |
Picton | ON | 125 | 7.3 | Source |
Port Arthur | ON | 30 - 60 | 1.8 - 3.5 | Source |
Port Colborne | ON | 119 | 7 | Source |
Port Dover | ON | 176 - 180 | 11.6 - 11.8 | |
Port Elgin | ON | 107 | 6.3 | |
Port Hope | ON | 115 - 121 | 6.7 - 7 | Source |
Port Perry | ON | 274 | 16 | Source |
Prescott | ON | 120 | 7 | |
Preston | ON | 325 | 19 | |
Queensville | ON | 175 | 10.2 | Source |
Renfrew | ON | 40 | 2.3 | |
Richmond (King's Park) | ON | 350 | 20.5 | Source |
Richmond Hill | ON | 123 | 7.2 | Source |
Rockwood | ON | 480 | 28 | Source |
Roseville | ON | 274 | 16 | Source |
Sarnia | ON | 95 | 5.6 | |
Sault Ste. Marie | ON | 40 | 2.3 | |
Scarborough | ON | 121 - 142 | 7 - 8.3 | Source |
Schomberg | ON | 284 | 16.5 | Source |
Seaforth | ON | 320 | 18.7 | Source |
Sharon | ON | 175 | 10.2 | Source |
Shelburne | ON | 350 | 19 | |
Shingletown | ON | 359 | 21 | Source |
Simcoe | ON | 176 - 180 | 11.6 - 11.8 | |
Smith Falls | ON | 65 | ||
St. Agatha | ON | 359 | 21 | Source |
St. Catharines | ON | 124 | 7.3 | Source |
St. Clements | ON | 342 | 20 | Source |
St. George | ON | 376 | 22 | Source |
St. Jacobs | ON | 325 | 19 | Source |
St. Marys | ON | 500 | 30 | |
Stayner | ON | 274 | 16 | Source |
Stouffville/Whitchurch | ON | 290 - 358 | 17 - 20.9 | Source |
St. Thomas | ON | 210 | 12.3 | |
Stratford | ON | 600 | 35 | |
Strathroy | ON | 102 | 6 | Source |
Sturgeon Falls | ON | 52.4 | 3 | |
Sudbury | ON | 80 - 100 | 4.7 - 5.8 | |
Sunderland | ON | 345 | 20.2 | Source |
Tavistock | ON | 308 | 22 | Source |
Tecumseh | ON | 32 - 140 | 1.9 - 8.2 | Source |
Teeswater | ON | 291 | 16 - 18 | |
Thornhill | ON | 132 | 7.7 | Source |
Thorold | ON | 124 | 7.3 | Source |
Thunder Bay | ON | 36 - 50 | 2 - 3 | Source |
Tillsonburg | ON | 84 - 360 | 6 - 25 | Source |
Timmins | ON | 45 | 2.6 | |
Toronto | ON | 121 - 142 | 7 - 8.3 | Source |
Tottenham (more info here) | ON | 180 | 10.5 | |
Trenton | ON | 200 - 250 | 11.7 - 14.6 | |
Uxbridge | ON | 186 | 10.9 | Source |
Vaughan | ON | 132 | 7.7 | Source |
Vars | ON | 200 | 11.7 | Source |
Walkerton | ON | 359 - 393 | 21 - 23 | |
Wallaceburg | ON | 115 | 6.7 | Source |
Wasaga Beach | ON | 177 | 10.4 | Source |
Waterloo (click for more info) | ON | 291 - 650 | 17 - 38 | Source |
Welland | ON | 122 | 7.1 | Source |
Wellesley | ON | 257 | 15 | Source |
West Montrose | ON | 479 | 28 | Source |
Weston | ON | 121 - 142 | 7 - 8.3 | Source |
Whitby | ON | 137 | 9.6 | Source |
Windsor | ON | 95 - 120 | 5.6 - 7.0 | Source |
Woodbridge | ON | 123 | 8.63 | Source |
Woodroffe | ON | 30 | 1.8 | Source |
Woodstock | ON | 313 | 22 | Source |