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Pacific Salmon Explorer
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Stream Flow

This condition indicator provides information on annual patterns in stream flow for the selected monitoring station. The 20% mean annual discharge (MAD) and 10% MAD thresholds indicate flows below which fish may be negatively impacted.

Median Historical Flow
Range of Historical Flow
Most Recent Year
  • Stream Flow
    Rainy River
    20% MAD: 1.7 m³/sec
    10% MAD: 0.825 m³/sec
  • Stream Flow
    Elaho River (Squamish)
    20% MAD: 18.1 m³/sec
    10% MAD: 9 m³/sec
  • Stream Flow
    Chapman Creek (Wilson Creek)
    20% MAD: 1 m³/sec
    10% MAD: 0.525 m³/sec
  • Stream Flow
    Chapman Creek Above Sechelt Diversion
    20% MAD: 0.88 m³/sec
    10% MAD: 0.44 m³/sec
  • Stream Flow
    Elaho River (Mouth)
    20% MAD: 21.1 m³/sec
    10% MAD: 10.5 m³/sec
  • Stream Flow
    Chapman Creek Below Sechelt Diversion
    20% MAD: 0.882 m³/sec
    10% MAD: 0.441 m³/sec
  • Stream Flow
    Lang Creek (Powell River)
    20% MAD: 0.839 m³/sec
    10% MAD: 0.42 m³/sec
  • Stream Flow
    Homesite Creek
    20% MAD: 0.112 m³/sec
    10% MAD: 0.056 m³/sec
  • Stream Flow
    Horseshoe River
    20% MAD: 1.2 m³/sec
    10% MAD: 0.606 m³/sec
  • Stream Flow
    Tahumming River (Toba Inlet)
    20% MAD: 5 m³/sec
    10% MAD: 2.5 m³/sec
  • Stream Flow
    Theodosia River Diversion (Olsen Lake)
    20% MAD: 1.2 m³/sec
    10% MAD: 0.599 m³/sec
  • Stream Flow
    Theodosia River Diversion Bypass
    20% MAD: 0.409 m³/sec
    10% MAD: 0.204 m³/sec
  • Stream Flow
    Theodosia River (Olsen Lake Diversion)
    20% MAD: 0.174 m³/sec
    10% MAD: 0.087 m³/sec
  • Stream Flow
    Theodosia River (Scotty Creek)
    20% MAD: 0.935 m³/sec
    10% MAD: 0.468 m³/sec
  • Stream Flow
    Chemainus River (Westholme)
    20% MAD: 3.8 m³/sec
    10% MAD: 1.9 m³/sec
  • Stream Flow
    Shawnigan Creek (Shawnigan Lake)
    20% MAD: 0.293 m³/sec
    10% MAD: 0.147 m³/sec
  • Stream Flow
    Sooke River (Victoria Water Supply)
    20% MAD: 0.089 m³/sec
    10% MAD: 0.045 m³/sec
  • Stream Flow
    Averill Creek
    20% MAD: 0.025 m³/sec
    10% MAD: 0.013 m³/sec
  • Stream Flow
    Leech River
    20% MAD: 1.2 m³/sec
    10% MAD: 0.583 m³/sec
  • Stream Flow
    Cusheon Creek (Cusheon Lake 2)
    20% MAD: 0.024 m³/sec
    10% MAD: 0.012 m³/sec
  • Stream Flow
    Shawnigan Creek (Mill Bay)
    20% MAD: 0.435 m³/sec
    10% MAD: 0.218 m³/sec
  • Stream Flow
    Colquitz River (Hyacinth Road)
    20% MAD: 0.075 m³/sec
    10% MAD: 0.038 m³/sec
  • Stream Flow
    Sandhill Creek (Pat Bay 2)
    20% MAD: 0.012 m³/sec
    10% MAD: 0.006 m³/sec
  • Stream Flow
    Metchosin Creek
    20% MAD: 0.024 m³/sec
    10% MAD: 0.012 m³/sec
  • Stream Flow
    Graham Creek (Stelly's Cross Road)
    20% MAD: 0.019 m³/sec
    10% MAD: 0.01 m³/sec
  • Stream Flow
    Cottonwood (Headwaters)
    20% MAD: 0.137 m³/sec
    10% MAD: 0.068 m³/sec
  • Stream Flow
    Haslam Creek (Cassidy)
    20% MAD: 0.727 m³/sec
    10% MAD: 0.363 m³/sec
  • Stream Flow
    Nanaimo River (Extension)
    20% MAD: 8 m³/sec
    10% MAD: 4 m³/sec
  • Stream Flow
    Puntledge River (Courtenay)
    20% MAD: 8.2 m³/sec
    10% MAD: 4.1 m³/sec
  • Stream Flow
    Puntledge River (Cumberland)
    20% MAD: 6.1 m³/sec
    10% MAD: 3.1 m³/sec
  • Stream Flow
    Little Qualicum River (Qualicum Beach)
    20% MAD: 2.3 m³/sec
    10% MAD: 1.2 m³/sec
  • Stream Flow
    Enos Creek
    20% MAD: 0.007 m³/sec
    10% MAD: 0.003 m³/sec
  • Stream Flow
    Millstone River (Nanaimo)
    20% MAD: 0.508 m³/sec
    10% MAD: 0.254 m³/sec
  • Stream Flow
    Nanaimo River (Cassidy)
    20% MAD: 7.9 m³/sec
    10% MAD: 4 m³/sec
  • Stream Flow
    Dove Creek
    20% MAD: 0.4 m³/sec
    10% MAD: 0.2 m³/sec
  • Stream Flow
    Arrowsmith Creek (Lake Outlet)
    20% MAD: 0.072 m³/sec
    10% MAD: 0.036 m³/sec
  • Stream Flow
    Puntledge River (Diversion)
    20% MAD: 3.4 m³/sec
    10% MAD: 1.7 m³/sec
  • Stream Flow
    Tsolum River (Murex Creek)
    20% MAD: 0.814 m³/sec
    10% MAD: 0.407 m³/sec
  • Stream Flow
    South Nanaimo River
    20% MAD: 2.6 m³/sec
    10% MAD: 1.3 m³/sec
  • Stream Flow
    Crest Lake
    20% MAD: 0.28 m³/sec
    10% MAD: 0.14 m³/sec
  • Stream Flow
    Oyster River (Campbell River)
    20% MAD: 3.1 m³/sec
    10% MAD: 1.5 m³/sec
  • Stream Flow
    Quinsam Diversion
    20% MAD: 0.18 m³/sec
    10% MAD: 0.09 m³/sec
  • Stream Flow
    Quinsam River (Quinsam Lake)
    20% MAD: 1.3 m³/sec
    10% MAD: 0.635 m³/sec
  • Stream Flow
    Piggott Creek
    20% MAD: 0.087 m³/sec
    10% MAD: 0.043 m³/sec