Parksville drinking water path

• Source & supply

  Englishman River (Arrowsmith Dam storage)

  Deep groundwater wells (Springwood and Railway well fields)

  Four reservoirs (Top Bridge and Springwood); also supplies RDN Nanoose Bay Peninsula Water Service Area.

  Englishman River can turn tea-coloured in storms from watershed organics—membrane/UV plant was mandated by Island Health for Giardia/Cryptosporidium protection.

• Treatment

  Englishman River Water Treatment Plant (Herring Gull Way)

  ERWS joint venture (Parksville 74% / RDN 26%): sand separators, coagulation, UF membranes, UV, chlorination. Capacity 16 ML/d.

  Municipal groundwater wells

  Sodium hypochlorite disinfection only before blending in city reservoirs.

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

• At the tap

  Hardness 83 mg/L (Moderate)

  Grade A (Excellent)

  pH 8.1 · lead 0.3 μg/L

  ECCC / municipal open data (seed)