Ottawa River Regulation Planning Board

Principal Reservoirs

Current Water Levels and System Constraints

Although operating agencies try to observe all constraints at reservoirs in the system,
this is not always possible due to either local or basin-wide hydrologic conditions.

. System Constraints
. . Level
Station Agency Level as of Category Date Lower Limit Upper Limit
. . March 9, 2010 . . Metres Metres
Dozois HQ 337.32 Operation All year 336.80 345.95
Rapid 7 HQ 308.50 Operation All year 307.24 309.37
. Operation 15 Jan - 01 Mar . 309.07
Operation 02 Mar - 30 Apr . 308.77
Quinze MDDEP 261.17 Operation All year 259.94 263.59
. Navigation 15 May - 15 Oct 262.68 .
Lady Evelyn OPG 286.16 Operation All year 284.40 289.51
. Recreation 01 Jun - 30 Sep 288.90 289.30
Kipawa PWGSC 267.77 Operation All year 267.45 269.75
. Navigation 01 Jun - 1 Nov 269.50 .
Timiskaming PWGSC 175.93 Operation All year 175.26 179.56
. Navigation 15 May - 15 Oct 178.65 .
Des Joachims OPG 151.03 Operation All year 149.40 152.40
. Recreation 20 May - 15 Oct 152.00 * .
Bark Lake OPG 306.02 Operation All year 304.50 313.94
. Recreation 20 May - 15 Oct 313.62 313.80
Cabonga HQ 358.81 Operation All year 356.16 360.88
. Operation 01 Mar - 07 Mar . 359.00
Baskatong HQ 212.15 Operation All year 207.60 223.14
. Operation 01 Mar - 07 Mar . 215.25
Mitchinamecus MDDEP 377.53 Operation All year 370.33 383.44
Kiamika MDDEP 265.18 Operation All year 260.00 270.66
. Recreation 01 Jul - 01 Sep 267.70 .
Poisson Blanc MDDEP 194.98 Operation All year 192.14 201.90
. Recreation 01 Jul - 01 Sep 200.00 .

* Minimum level when inflow is less than 500 m3/s


HQ = Hydro-Québec
MDDEP = Ministère du Développement durable, de l'Environnement et des Parcs
OPG = Ontario Power Generation
PWGSC = Public Works and Government Services Canada