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: 2018-09-25 14:00

Water levels at 8 a.m. in metres
Mattawa 152.46
Pembroke 111.27
Lake Coulonge at Fort-Coulonge 106.15
Chats Lake at Arnprior 74.08
Lake Deschenes at Britannia (Ottawa) 58.10
Gatineau (Hull) 41.61
Grenville 41.25
Gatineau River at Maniwaki 164.05
Outflow in cubic metres per second
Ottawa River at Carillon 1,750

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 October 2, 2018 at 2 p.m..

Observed levels and flows
Ottawa River Basin

Water levels at 24:00 in metres 2018-09-18 2018-09-19 2018-09-20 2018-09-21 2018-09-22 2018-09-23 2018-09-24
Otto Holden Generating Station 176.85 176.82 176.79 176.81 176.78 176.80 176.80
Mattawa 152.65 152.62 152.60 152.44 152.36 152.38 152.46
Des Joachims Generating Station 152.18 152.14 152.07 152.03 152.04 152.05 152.05
Pembroke 111.57 111.54 111.49 111.57 111.42 111.37 111.34
Lake Coulonge at Fort-Coulonge 106.15 106.12 106.09 106.18 106.14 106.12 106.14
Chenaux Generating Station 85.94 85.94 86.15 86.19 86.39 86.25 86.25
Chats Lake at Arnprior 74.05 74.07 74.06 74.15 74.16 74.07 74.07
Lake Deschenes at Britannia (Ottawa) 58.27 58.24 58.20 58.22 58.15 58.20 58.15
Gatineau (Hull) 41.64 41.61 41.62 41.58 41.56 41.59 41.63
Thurso 41.35 41.34 41.34 41.35 41.30 41.31 41.37
Grenville 41.23 41.23 41.22 41.29 41.21 41.22 41.22
Gatineau River at Maniwaki 163.97 163.97 163.98 164.01 164.01 164.06 164.05
Average daily outflow (m3/s) 2018-09-18 2018-09-19 2018-09-20 2018-09-21 2018-09-22 2018-09-23 2018-09-24
Ottawa River at Temiscaming 813 726 648 633 566 587 579
Ottawa River at Otto Holden GS 829 749 672 642 590 592 592
Ottawa River at Des Joachims GS 901 857 787 793 655 623 623
Ottawa River at Chenaux GS 1,054 1,023 978 955 910 905 905
Ottawa River at Chats Falls GS 1,186 1,102 1,038 1,065 990 1,090 1,090
Lake Deschenes at Britannia (Ottawa) 1,080 1,080 1,085 1,029 1,012 1,068 970
Ottawa River at Carillon 1,931 1,907 1,808 1,952 2,059 1,829 1,648