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: 2019-03-19 14:00

Water levels at 8 a.m. in metres
Mattawa 152.23
Pembroke 111.46
Lake Coulonge at Fort-Coulonge 106.59
Chats Lake at Arnprior 74.11
Lake Deschenes at Britannia (Ottawa) 58.27
Gatineau (Hull) 42.10
Grenville 41.24
Gatineau River at Maniwaki 163.03
Outflow in cubic metres per second
Ottawa River at Carillon 2,100

River Conditions Forecast

All major reservoirs in the Ottawa River basin continue to be emptied in preparation for freshet. Water levels and flows are expected to remain stable or decrease slightly with forecast temperatures in the basin fluctuating around the freezing point for this week.

This message will be updated
on March 22, 2019 at 2 p.m..

Observed levels and flows
Ottawa River Basin

Water levels at 24:00 in metres 2019-03-12 2019-03-13 2019-03-14 2019-03-15 2019-03-16 2019-03-17 2019-03-18
Otto Holden Generating Station 174.05 174.03 174.02 174.08 174.11 174.05 174.10
Mattawa 152.41 152.41 152.40 152.36 152.41 152.45 152.39
Des Joachims Generating Station 149.90 149.79 149.76 149.77 149.73 149.73 149.66
Pembroke 111.50 111.47 111.47 111.44 111.45 111.46 111.46
Lake Coulonge at Fort-Coulonge 106.59 106.58 106.57 106.58 106.58 106.57 106.58
Chenaux Generating Station 85.80 85.87 85.80 85.80 85.91 86.04 86.12
Chats Lake at Arnprior 74.11 74.07 74.11 74.09 74.13 74.15 74.18
Lake Deschenes at Britannia (Ottawa) 58.27 58.26 58.26 58.28 58.24 58.22 58.22
Gatineau (Hull) 42.08 42.09 42.08 42.11 42.07 42.09 42.11
Thurso 41.50 41.48 41.49 41.52 41.49 41.52 41.51
Grenville 41.30 41.29 41.30 41.32 41.30 41.34 41.30
Gatineau River at Maniwaki 163.43 163.41 163.39 163.44 163.44 163.43 163.24
Average daily outflow (m3/s) 2019-03-12 2019-03-13 2019-03-14 2019-03-15 2019-03-16 2019-03-17 2019-03-18
Ottawa River at Temiscaming 632 614 619 605 582 587 590
Ottawa River at Otto Holden GS 642 643 645 615 609 646 613
Ottawa River at Des Joachims GS 731 779 701 724 703 774 751
Ottawa River at Chenaux GS 976 958 969 948 924 913 928
Ottawa River at Chats Falls GS 1,076 1,165 1,092 1,144 1,063 1,061 1,083
Lake Deschenes at Britannia (Ottawa) 1,167 1,149 1,158 1,173 1,133 1,107 1,104
Ottawa River at Carillon 2,032 1,900 1,858 1,895 1,957 1,956 2,092