Loading

Chart For Hardness Click for parameter information.

Select one or more stations to see the result history for Hardness. If you wish, a date range can be entered to limit the data results.

Date display range

Data is made available for samples taken as early as 2003. Please note that in some cases, less data may be available.
Last Sample
Saint John River below Hartland, Route 105 2021-10-19 10:00
Saint John River below St. Basile, Route 144 2021-11-16 12:03
Restigouche River below Montgomery bridge, Route 265 2021-10-13 02:37
Saint John River below Mactaquac Dam, Route 102 2021-10-26 09:49
Petitcodiac River, bridge below Petitcodiac 2021-11-01 12:03
Jacquet River above bridge, Route 11 2021-10-13 05:00
Magaguadavic River St. George, Route 770 2021-10-26 12:07
Saint John River near Limestone above bridge off Route 105 2021-10-19 11:52
Northwest Miramichi River below Wayerton bridge, Route 430 2021-10-26 12:18
Richibucto River above Smiths Corner bridge, Route 116 2021-11-04 11:33
Pokemouche River above bridge, Route 135 2021-10-26 02:27
Southwest Miramichi River above Doaktown bridge, Route 8 (B) 2021-10-26 09:42
Little Southwest Miramichi River at Sillikers (A) 2012-12-06 12:00
Big Tracadie River at Murchie crossing 2013-07-17 13:15
Upsalquitch River above Robinsonville bridge, Route 17 2021-10-13 03:32
Nashwaak River above Marysville bridge, Route 8 2021-11-16 08:45
Big Salmon River mouth 2021-10-04 11:04
Cains River mouth 2021-10-26 10:27
Nepisiguit River below bridge, Route 360 2021-10-26 03:19
Salmon River above Chipman train bridge, Route 123 (A) 2017-06-05 10:15
Saint John River near Northampton, Route 105 2021-10-19 09:37
Big Presque Isle Stream above bridge, Route 103 2021-11-16 10:11
Nigadoo River above bridge, Route 134 2021-10-13 05:33
Digdeguash River near Dominion Hill 2021-10-08 11:36
Kennebecasis River above Bloomfield bridge 2021-11-16 11:24
Oromocto River above bridge, Route 102 2021-10-26 12:25
Keswick River above bridge, Route 105 (A) 2012-11-15 13:20
Southwest Miramichi River above Porter Brook bridge 2021-10-26 09:06
Hammond River above French Village bridge, Route 860 2021-10-04 12:22
Tabusintac River above bridge, Route 8 2021-10-26 01:30
St. Croix River above Milltown bridge, Route 170 2021-11-18 12:10
Renous River below Renous bridge, Route 8 2021-10-26 11:07
Tobique River below Arthurette bridge, Route 109 2021-11-16 13:40
Saint John River above Grand Falls dam, Grand Falls 2021-10-19 12:16
Aroostook River above bridge, Route 2 2021-11-16 11:00
Southwest Miramichi River above Blackville bridge, Route 118 2021-10-26 10:47
Southwest Miramichi River below Quarryville bridge, Route 108 2021-10-26 11:18
Canaan River below bridge, Route 112 2021-11-01 10:57
Northwest Miramichi River near Exmoor above bridge, Route 425 2021-10-26 11:58
Kennebecasis River above Five Points bridge, Route 1 2021-11-01 12:45
Eel River near Scotts Siding 2015-07-28 12:00
Keswick River Below Burtts Corner, Route 104 (B) 2021-10-26 09:24
Saint John River below Upper Queensbury, Route 105 2021-11-16 09:03
Saint John River below Florenceville, Route 105 2021-10-19 10:21
Southwest Miramichi River below Doaktown (A) 2014-12-01 12:00
Tobique River above Riley Brook bridge, Route 385 2021-10-13 12:33
Saint John River Lower Burton, Route 102 2021-10-26 12:04
Kedgwick River near mouth 2021-10-13 02:21
Southwest Miramichi River above Deersdale, Route 107 (B) 2021-10-13 10:01
South Branch Kennebecasis River above Penobsquis bridge 2021-11-01 13:01
Southwest Miramichi River below Deersdale, Route 107 (A) 2013-05-22 09:45
Buctouche River above bridge, Route 490 2021-11-04 12:40
Restigouche River Rafting Grounds, Route 134 2021-10-13 03:52
Saint John River Evandale, Route 102 2021-11-16 10:02
Canaan River near Canaan Rapids, Route 112 2021-11-01 10:17
Petitcodiac River above Salisbury bridge, Route 112 2021-11-01 11:41
Saint John River Lower Lincoln, Route 102 2021-10-26 12:38
St. Croix River below St. Croix bridge, Route 4 2021-10-08 10:05
Lepreau River above bridge, Route 780 2021-11-18 13:30
Madawaska River above Fraser Dam, Edmundston 2021-10-19 13:25
Little Southwest Miramichi River at Lyttleton Bridge (B) 2021-10-26 11:44
Salmon River from bridge, Route 123 (B) 2021-11-04 10:30

For information about water quality for aquatic life at these stations, please consult the current Water Quality index values.

No data found for the specified parameters.
You can zoom the chart in by clicking and dragging on an area. To zoom back out, double click on the chart.
Results below the detection limit are marked with a '<' symbol in table view, and will not be displayed in the chart.

Export to Microsoft Excel

Values:

Date