Ladysmith drinking water path

Source

Holland Lake Surface water · +1 sources

raw water

Intake

Raw water intake pump station

to plant

Treatment

Arbutus WTP / Water Filtration Plant chlorination · filtration

finished

Mains

Storage & mains Arbutus Reservoir balances demand and holds emergency fire storage (kept ≥80% capacity). Also supplies Stz'uminus First Nation and Diamond Improvement District partners.

drinking water

Tap

Household tap Ladysmith

Source & supply
Holland Lake
Stocking Lake
Arbutus Reservoir balances demand and holds emergency fire storage (kept ≥80% capacity). Also supplies Stz'uminus First Nation and Diamond Improvement District partners.
Holland Lake can take up to 12 hours to reach the intake; valve adjustments must balance fish flows, plant demand, and dam overflow.
Treatment
Arbutus Water Treatment Plant / Water Filtration Plant
Commissioned 2020: chemically assisted DAF, membrane ultrafiltration (ZeeWeed), then chlorine. Built to meet Island Health 4-3-2-1 surface-water objectives.
Treatment on record: chlorination · filtration
At the tap
Hardness 85 mg/L (Moderate)
Grade A (Excellent)
pH 7.8 · lead 0.5 μg/L
ECCC / municipal open data (seed)