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: 2018-05-18 12:00

Water levels at 8 a.m. in metres
Mattawa 152.90
Pembroke 112.26
Lake Coulonge at Fort-Coulonge 107.10
Chats Lake at Arnprior 74.55
Lake Deschenes at Britannia (Ottawa) 59.28
Gatineau (Hull) 42.81
Grenville 41.49
Gatineau River at Maniwaki 164.06
Outflow in cubic metres per second
Ottawa River at Carillon 4,050

River Conditions Forecast

Peak flows due to snowmelt runoff continue to recede and barring heavy rainfall in the month of May, no further increases are expected this spring. This will be the last daily message for the 2018 spring season; this service will be replaced with a weekly report, updated every Tuesday.

This message will be updated
on May 22, 2018 at 2 p.m..

Observed levels and flows
Ottawa River Basin

Water levels at 24:00 in metres 2018-05-11 2018-05-12 2018-05-13 2018-05-14 2018-05-15 2018-05-16 2018-05-17
Otto Holden Generating Station 176.87 176.88 176.88 176.74 176.95 176.91 176.96
Mattawa 153.31 153.27 153.24 153.15 153.01 153.08 152.99
Des Joachims Generating Station 151.01 150.97 150.98 150.99 150.96 151.09 151.23
Pembroke 112.49 112.53 112.53 112.49 112.43 112.34 112.28
Lake Coulonge at Fort-Coulonge 107.67 107.64 107.62 107.55 107.46 107.31 107.15
Chenaux Generating Station 85.43 85.42 85.43 85.61 85.54 85.46 85.68
Chats Lake at Arnprior 75.15 75.08 75.08 74.97 74.88 74.77 74.63
Lake Deschenes at Britannia (Ottawa) 59.77 59.72 59.67 59.62 59.56 59.47 59.38
Gatineau (Hull) 43.43 43.32 43.22 43.12 43.07 42.93 42.83
Thurso 42.24 42.17 42.09 42.02 41.96 41.89 41.86
Grenville 41.68 41.64 41.58 41.52 41.48 41.45 41.46
Gatineau River at Maniwaki 164.11 164.12 164.19 164.28 164.39 164.48 164.23
Average daily outflow (m3/s) 2018-05-11 2018-05-12 2018-05-13 2018-05-14 2018-05-15 2018-05-16 2018-05-17
Ottawa River at Temiscaming 1,383 1,433 1,438 1,388 1,370 1,372 1,388
Ottawa River at Otto Holden GS 1,581 1,569 1,563 1,556 1,395 1,482 1,460
Ottawa River at Des Joachims GS 2,001 2,156 2,048 2,014 1,832 1,746 1,667
Ottawa River at Chenaux GS 2,910 2,803 2,778 2,754 2,751 2,603 2,401
Ottawa River at Chats Falls GS 3,771 3,626 3,509 3,415 3,276 3,087 2,866
Lake Deschenes at Britannia (Ottawa) 3,842 3,727 3,616 3,510 3,395 3,221 3,043
Ottawa River at Carillon 5,465 5,305 5,125 4,946 4,773 4,526 4,211