Temiscaming
Temiscaming
Otto Holden
Otto Holden
Mattawa
Mattawa
Des Joachims
Des Joachims
Pembroke
Pembroke
Fort-Coulonge
Fort-Coulonge
Chenaux
Chenaux
Arnprior
Arnprior
Ottawa
Ottawa
Gatineau
Gatineau
Thurso
Grenville
Grenville
Grenville
Maniwaki
Maniwaki
Carillon
Carillon
Montreal
Ottawa River Basin

Publication: 2018-09-18 13:00

Water levels at 8 a.m. in metres
Mattawa 152.67
Pembroke 111.57
Lake Coulonge at Fort-Coulonge 106.18
Chats Lake at Arnprior 74.07
Lake Deschenes at Britannia (Ottawa) 58.27
Gatineau (Hull) 41.61
Grenville 41.23
Gatineau River at Maniwaki 163.97
Outflow in cubic metres per second
Ottawa River at Carillon 1,925

River Conditions Forecast

Water levels and flows in most locations on the main stem of the Ottawa River are above normal for this time of the year and are expected to remain fairly stable this week.

This message will be updated
on September 25, 2018 at 2 p.m..

Observed levels and flows
Ottawa River Basin

Water levels at 24:00 in metres 2018-09-11 2018-09-12 2018-09-13 2018-09-14 2018-09-15 2018-09-16 2018-09-17
Otto Holden Generating Station 176.93 177.09 177.01 176.97 177.00 176.97 176.86
Mattawa 152.97 152.71 152.77 152.70 152.70 152.78 152.73
Des Joachims Generating Station 152.17 152.05 152.07 152.10 152.15 152.14 152.19
Pembroke 111.82 111.76 111.69 111.65 111.58 111.57 111.57
Lake Coulonge at Fort-Coulonge 106.42 106.34 106.30 106.24 106.24 106.21 106.20
Chenaux Generating Station 86.04 86.02 86.08 85.91 85.80 85.76 85.98
Chats Lake at Arnprior 74.18 74.12 74.07 74.15 74.13 74.17 74.08
Lake Deschenes at Britannia (Ottawa) 58.40 58.49 58.46 58.40 58.35 58.30 58.27
Gatineau (Hull) 41.75 41.80 41.74 41.69 41.68 41.67 41.61
Thurso 41.39 41.42 41.39 41.36 41.37 41.38 41.33
Grenville 41.25 41.27 41.26 41.24 41.26 41.26 41.23
Gatineau River at Maniwaki 164.14 164.13 164.13 164.12 164.11 164.00 164.05
Average daily outflow (m3/s) 2018-09-11 2018-09-12 2018-09-13 2018-09-14 2018-09-15 2018-09-16 2018-09-17
Ottawa River at Temiscaming 975 864 833 803 788 806 778
Ottawa River at Otto Holden GS 1,014 821 874 838 804 828 831
Ottawa River at Des Joachims GS 1,108 1,034 952 911 866 892 904
Ottawa River at Chenaux GS 1,406 1,412 1,312 1,273 1,166 1,118 1,013
Ottawa River at Chats Falls GS 1,476 1,513 1,366 1,266 1,279 1,170 1,195
Lake Deschenes at Britannia (Ottawa) 1,355 1,488 1,441 1,347 1,260 1,202 1,166
Ottawa River at Carillon 2,222 2,282 2,317 2,192 2,042 1,986 2,025