OpenStats Drinking Water Hardness (2022, vintage carried)

Ranked by hardness_mg_l on the OpenStats water atlas; carried across panel years.

PublisherOpenStats

Rank	Place	Province	Score
1	Guelph	Ontario	460
2	Kitchener	Ontario	400
3	Waterloo	Ontario	400
4	Whitchurch-Stouffville	Ontario	318
5	Brantford	Ontario	289
6	Belleville - Quinte West	Ontario	279
7	Yorkton	Saskatchewan	279
8	Morden	Manitoba	277
9	Cochrane	Ontario	277
10	Sherbrooke	Quebec	277
11	Whitecourt	Alberta	276
12	Comox	British Columbia	276
13	Victoriaville	Quebec	276
14	Osoyoos	British Columbia	273
15	North Vancouver	British Columbia	271
16	Hawkesbury	Ontario	271
17	Ingersoll	Ontario	271
18	Matane	Quebec	271
19	Olds	Alberta	270
20	Sydney	Nova Scotia	270
21	Hanover	Ontario	269
22	Warman	Saskatchewan	269
23	Paradise	Newfoundland and Labrador	268
24	Banff	Alberta	265
25	Morinville	Alberta	265
26	Sidney	British Columbia	262
27	Sainte-Marie	Quebec	262
28	Smithers	British Columbia	261
29	Greater Sudbury	Ontario	259
30	Penetanguishene	Ontario	259
31	Perth	Ontario	259
32	Terrebonne	Quebec	259
33	Norfolk County	Ontario	258
34	Brockville	Ontario	257
35	Collingwood	Ontario	255
36	Port Alberni	British Columbia	253
37	Laval	Quebec	253
38	Edmundston	New Brunswick	252
39	Bridgewater	Nova Scotia	252
40	Peterborough	Ontario	252
41	Port Hope	Ontario	252
42	Brant	Ontario	251
43	Portugal Cove-St. Philip's	Newfoundland and Labrador	250
44	Quebec City	Quebec	250
45	Minto	Ontario	249
46	Smiths Falls	Ontario	249
47	Val-d'Or	Quebec	249
48	Halton Hills	Ontario	247
49	Courtenay	British Columbia	246
50	Temiskaming Shores	Ontario	246
51	Plympton-Wyoming	Ontario	244
52	Wasaga Beach	Ontario	244
53	The Blue Mountains	Ontario	243
54	Wainwright	Alberta	242
55	New Glasgow	Nova Scotia	241
56	Gananoque	Ontario	241
57	Coaldale	Alberta	239
58	Conception Bay South	Newfoundland and Labrador	238
59	Lakeshore	Ontario	238
60	Swift Current	Saskatchewan	238
61	Rocky Mountain House	Alberta	237
62	Three Rivers	Prince Edward Island	236
63	Stratford	Ontario	235
64	Brooks	Alberta	234
65	Fort St. John	British Columbia	233
66	Camrose	Alberta	232
67	Cochrane	Alberta	231
68	Gander	Newfoundland and Labrador	230
69	Centre Wellington	Ontario	229
70	Chatham-Kent	Ontario	229
71	Prince Edward County	Ontario	228
72	Cold Lake	Alberta	226
73	Drumheller	Alberta	226
74	Rothesay	New Brunswick	226
75	Happy Valley-Goose Bay	Newfoundland and Labrador	226
76	Huntsville	Ontario	226
77	Niagara-on-the-Lake	Ontario	225
78	Niverville	Manitoba	224
79	Riverview	New Brunswick	224
80	Shelburne	Ontario	222
81	Summerside	Prince Edward Island	220
82	Edson	Alberta	219
83	Armstrong	British Columbia	219
84	Devon	Alberta	218
85	Orangeville	Ontario	216
86	Trois-Rivieres	Quebec	216
87	Lacombe	Alberta	215
88	Dawson Creek	British Columbia	215
89	Kawartha Lakes	Ontario	214
90	Melfort	Saskatchewan	214
91	Stratford	Prince Edward Island	213
92	Kirkland Lake	Ontario	210
93	Red Deer	Alberta	209
94	Gravenhurst	Ontario	209
95	New Tecumseth	Ontario	209
96	Owen Sound	Ontario	209
97	Sept-Îles	Quebec	209
98	Bonnyville	Alberta	208
99	Hinton	Alberta	208
100	Penticton	British Columbia	208
101	Bathurst	New Brunswick	208
102	Essa	Ontario	208
103	Regina	Saskatchewan	208
104	Sault Ste. Marie	Ontario	207
105	Saint-Georges	Quebec	207
106	Stonewall	Manitoba	205
107	Miramichi	New Brunswick	204
108	Petrolia	Ontario	204
109	St. Thomas	Ontario	204
110	South Bruce Peninsula	Ontario	203
111	Gatineau	Quebec	203
112	Castlegar	British Columbia	202
113	Fort Frances	Ontario	202
114	Slave Lake	Alberta	201
115	Medicine Hat	Alberta	200
116	Revelstoke	British Columbia	200
117	Amherst	Nova Scotia	200
118	Bracebridge	Ontario	200
119	Granby	Quebec	200
120	Fernie	British Columbia	199
121	Saugeen Shores	Ontario	199
122	St. Albert	Alberta	198
123	Pitt Meadows	British Columbia	198
124	LaSalle	Ontario	198
125	Saskatoon	Saskatchewan	196
126	Sainte-Agathe-des-Monts	Quebec	195
127	Shediac	New Brunswick	194
128	Saguenay	Quebec	194
129	Redcliff	Alberta	193
130	Okotoks	Alberta	192
131	Tecumseh	Ontario	192
132	Calgary	Alberta	191
133	Milton	Ontario	191
134	Truro	Nova Scotia	190
135	Grand Falls-Windsor	Newfoundland and Labrador	189
136	Baie-Comeau	Quebec	189
137	Joliette	Quebec	189
138	The Pas	Manitoba	188
139	Port Colborne	Ontario	188
140	Moose Jaw	Saskatchewan	187
141	Saint John	New Brunswick	186
142	Fort Saskatchewan	Alberta	185
143	Kapuskasing	Ontario	185
144	St. Paul	Alberta	182
145	Duncan	British Columbia	181
146	Welland	Ontario	181
147	Longueuil	Quebec	181
148	Port Coquitlam	British Columbia	179
149	Quesnel	British Columbia	179
150	Dauphin	Manitoba	179
151	Dolbeau-Mistassini	Quebec	178
152	Thetford Mines	Quebec	178
153	Edmonton	Alberta	177
154	Sylvan Lake	Alberta	177
155	Midland	Ontario	177
156	Winkler	Manitoba	176
157	Kentville	Nova Scotia	176
158	Spruce Grove	Alberta	174
159	Yellowknife	Northwest Territories	174
160	North Battleford	Saskatchewan	174
161	Drummondville	Quebec	173
162	Thorold	Ontario	172
163	Meadow Lake	Saskatchewan	172
164	Steinbach	Manitoba	171
165	Weyburn	Saskatchewan	171
166	Grimsby	Ontario	169
167	Mono	Ontario	169
168	Port Moody	British Columbia	168
169	Sudbury	Ontario	168
170	Alma	Quebec	168
171	Nelson	British Columbia	167
172	Charlottetown	Prince Edward Island	167
173	High River	Alberta	165
174	Strathmore	Alberta	165
175	Renfrew	Ontario	165
176	Lloydminster (Part)	Saskatchewan	165
177	Essex	Ontario	164
178	Rouyn-Noranda	Quebec	164
179	Sackville	New Brunswick	163
180	Lincoln	Ontario	163
181	Fort McMurray	Alberta	162
182	Sarnia	Ontario	162
183	Qualicum Beach	British Columbia	159
184	Marystown	Newfoundland and Labrador	159
185	Mississippi Mills	Ontario	157
186	Cambridge	Ontario	156
187	Chestermere	Alberta	155
188	Woodstock	Ontario	155
189	Salaberry-de-Valleyfield	Quebec	154
190	Prince Rupert	British Columbia	152
191	Caledon	Ontario	152
192	Cornwall	Prince Edward Island	152
193	Lethbridge	Alberta	151
194	View Royal	British Columbia	151
195	Haldimand County	Ontario	151
196	Brandon	Manitoba	150
197	Labrador City	Newfoundland and Labrador	150
198	Whitehorse	Yukon	149
199	Taber	Alberta	148
200	Vernon	British Columbia	148
201	Blackfalds	Alberta	147
202	Quispamsis	New Brunswick	146
203	Innisfil	Ontario	146
204	Creston	British Columbia	144
205	Georgina	Ontario	144
206	Estevan	Saskatchewan	143
207	Wolfville	Nova Scotia	142
208	Dryden	Ontario	142
209	Kingsville	Ontario	142
210	Parry Sound	Ontario	142
211	Innisfail	Alberta	141
212	Prince George	British Columbia	141
213	Prince Albert	Saskatchewan	141
214	Clarenville	Newfoundland and Labrador	140
215	Squamish	British Columbia	139
216	Abbotsford	British Columbia	138
217	Kenora	Ontario	138
218	Drayton Valley	Alberta	137
219	Neepawa	Manitoba	137
220	Portage la Prairie	Manitoba	137
221	Amos	Quebec	137
222	Fort Erie	Ontario	135
223	Kamloops	British Columbia	134
224	Powell River	British Columbia	134
225	Rimouski	Quebec	134
226	Pembroke	Ontario	133
227	Timmins	Ontario	133
228	Lachute	Quebec	133
229	Lloydminster (Part)	Alberta	132
230	Langley	British Columbia	132
231	Dieppe	New Brunswick	132
232	Belleville	Ontario	132
233	Aurora	Ontario	130
234	Cornwall	Ontario	130
235	St. Catharines	Ontario	130
236	Barrie	Ontario	129
237	Pelham	Ontario	129
238	Vaughan	Ontario	128
239	Nanaimo	British Columbia	127
240	Richmond Hill	Ontario	127
241	Stephenville	Newfoundland and Labrador	126
242	Aylmer	Ontario	126
243	Markham	Ontario	126
244	Niagara Falls	Ontario	126
245	Campbell River	British Columbia	125
246	Bay Roberts	Newfoundland and Labrador	125
247	Ajax	Ontario	125
248	Brampton	Ontario	125
249	Mississauga	Ontario	125
250	Oshawa	Ontario	125
251	Pickering	Ontario	125
252	Whitby	Ontario	125
253	Burlington	Ontario	124
254	Clarence-Rockland	Ontario	124
255	Oakville	Ontario	124
256	White Rock	British Columbia	123
257	West Kelowna	British Columbia	121
258	Toronto	Ontario	121
259	Kelowna	British Columbia	120
260	Trail	British Columbia	120
261	Corner Brook	Newfoundland and Labrador	120
262	Hamilton	Ontario	120
263	St. Marys	Ontario	120
264	Levis	Quebec	120
265	Montreal	Quebec	120
266	Beaumont	Alberta	119
267	Canmore	Alberta	119
268	Peace River	Alberta	119
269	Iqaluit	Nunavut	119
270	Espanola	Ontario	119
271	London	Ontario	119
272	Petawawa	Ontario	118
273	Leduc	Alberta	117
274	Merritt	British Columbia	117
275	Norfolk	Ontario	115
276	Kingston	Ontario	114
277	Oliver	British Columbia	113
278	Wetaskiwin	Alberta	112
279	Woodstock	New Brunswick	112
280	Vegreville	Alberta	111
281	Mount Pearl	Newfoundland and Labrador	111
282	Goderich	Ontario	111
283	Thompson	Manitoba	110
284	Grand Falls	New Brunswick	110
285	Amherstburg	Ontario	110
286	Windsor	Ontario	110
287	Terrace	British Columbia	108
288	Fredericton	New Brunswick	108
289	Carleton Place	Ontario	108
290	Shawinigan	Quebec	108
291	Airdrie	Alberta	106
292	Campbellton	New Brunswick	106
293	Orillia	Ontario	106
294	Elliot Lake	Ontario	105
295	Didsbury	Alberta	104
296	Colwood	British Columbia	103
297	Salmon Arm	British Columbia	103
298	Lloydminster	Saskatchewan	103
299	Grande Prairie	Alberta	102
300	Kimberley	British Columbia	102
301	Quinte West	Ontario	102
302	Maple Ridge	British Columbia	101
303	Rivière-du-Loup	Quebec	100
304	Richmond	British Columbia	98
305	Chilliwack	British Columbia	97
306	Cowansville	Quebec	96
307	Stettler	Alberta	95
308	Martensville	Saskatchewan	95
309	Saint-Hyacinthe	Quebec	94
310	Langford	British Columbia	91
311	Cobourg	Ontario	91
312	Williams Lake	British Columbia	90
313	North Bay	Ontario	90
314	Humboldt	Saskatchewan	90
315	Cranbrook	British Columbia	89
316	Oromocto	New Brunswick	89
317	Ponoka	Alberta	88
318	Stony Plain	Alberta	88
319	Selkirk	Manitoba	87
320	Erin	Ontario	86
321	Sorel-Tracy	Quebec	86
322	Ladysmith	British Columbia	85
323	Greater Napanee	Ontario	85
324	Bradford West Gwillimbury	Ontario	84
325	Parksville	British Columbia	83
326	Yarmouth	Nova Scotia	83
327	East Gwillimbury	Ontario	83
328	Winnipeg	Manitoba	81
329	Arnprior	Ontario	81
330	Tillsonburg	Ontario	81
331	Torbay	Newfoundland and Labrador	80
332	Thunder Bay	Ontario	45.8
333	St. John's	Newfoundland and Labrador	25
334	Moncton	New Brunswick	24
335	Burnaby	British Columbia	22
336	Coquitlam	British Columbia	22
337	Delta	British Columbia	22
338	New Westminster	British Columbia	22
339	Surrey	British Columbia	22
340	Vancouver	British Columbia	22
341	Ottawa	Ontario	21
342	Halifax	Nova Scotia	20
343	Victoria	British Columbia	17

All OpenStats Drinking Water Hardness editions · Cities