Salmon Arm drinking water path

• Source & supply

  Shuswap Lake (~85%)

  East Canoe Creek at Metford Dam (~15%)

  ~204 km watermain, eight pressure zones, fourteen reservoirs, seven pump stations.

  Operators maximize East Canoe Creek gravity supply to cut Shuswap Lake pumping costs when creek turbidity allows.

• Treatment

  Salmon Arm Water Treatment Plant (Canoe Beach / Shuswap Lake)

  Online 2009: coagulation/polymer, dual-media filters, UV, sodium hypochlorite. Nominal 40 ML/d.

  Metford Dam / East Canoe Creek disinfection

  UV and sodium hypochlorite; used only when turbidity <1 NTU. Gravity feed from higher elevation.

  Treatment on record: chlorination · UV · filtration · +1 more plant

• At the tap

  Hardness 103 mg/L (Moderate)

  Grade B (Good)

  pH 8.1 · lead 0.7 μg/L

  ECCC / municipal open data (seed)