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: 2018-04-19 14:00

Water levels at 8 a.m. in metres
Mattawa 149.83
Pembroke 111.10
Lake Coulonge at Fort-Coulonge 106.22
Chats Lake at Arnprior 74.18
Lake Deschenes at Britannia (Ottawa) 58.15
Gatineau (Hull) 41.67
Grenville 41.30
Gatineau River at Maniwaki 162.40
Outflow in cubic metres per second
Ottawa River at Carillon 2,325

River Conditions Forecast

Water levels and flows in most locations on the main stem of the Ottawa river continue to increase slowly in response to received precipitation but remain below normal for this time of the year. With forecast warming temperatures starting this weekend, snow cover in the northern portion of the basin will start to melt. Flows and levels are expected to begin their spring rise over the next week.

This message will be updated
on April 20, 2018 at 2 p.m..

Observed levels and flows
Ottawa River Basin

Water levels at 24:00 in metres 2018-04-12 2018-04-13 2018-04-14 2018-04-15 2018-04-16 2018-04-17 2018-04-18
Otto Holden Generating Station 174.27 174.19 174.20 174.28 174.49 174.61 174.77
Mattawa 150.65 150.74 150.69 150.60 150.51 150.54 150.57
Des Joachims Generating Station 149.61 149.62 149.60 149.59 149.57 149.57 149.59
Pembroke 111.15 111.15 111.12 111.10 111.14 111.14 111.12
Lake Coulonge at Fort-Coulonge 106.22 106.21 106.18 106.17 106.20 106.22 106.22
Chenaux Generating Station 85.68 85.83 85.87 85.73 85.36 85.50 85.62
Chats Lake at Arnprior 74.00 74.03 74.02 74.01 74.06 74.08 74.15
Lake Deschenes at Britannia (Ottawa) 58.07 58.07 58.11 58.12 58.17 58.21 58.20
Gatineau (Hull) 41.48 41.55 41.53 41.78 41.87 41.67 41.70
Thurso 41.21 41.33 41.25 41.34 41.50 41.38 41.40
Grenville 41.24 41.25 41.21 41.07 41.32 41.27 41.29
Gatineau River at Maniwaki 162.20 162.22 162.23 162.23 162.26 162.32 162.38
Average daily outflow (m3/s) 2018-04-12 2018-04-13 2018-04-14 2018-04-15 2018-04-16 2018-04-17 2018-04-18
Ottawa River at Temiscaming 313 298 303 282 280 263 274
Ottawa River at Otto Holden GS 318 357 333 289 245 259 256
Ottawa River at Des Joachims GS 373 422 400 393 349 350 349
Ottawa River at Chenaux GS 555 645 657 669 706 626 660
Ottawa River at Chats Falls GS 773 863 935 933 942 964 956
Lake Deschenes at Britannia (Ottawa) 901 900 953 973 1,029 1,091 1,078
Ottawa River at Carillon 1,426 1,617 1,866 1,673 1,612 2,540 2,321