Comparison of water from our two treatment plants

Stromlo water Googong water pH 7.5 — 8.1 7.5 — 8.5 Conductance (µS/cm) 115 150 Colour (Pt-Co) 5.0 2.0 Turbidity (NTU) 0.3 0.5 Iron (mg/L) 0.08 0.05 Manganese (mg/L) 0.02 0.02 Total alkalinity (mg/L as CaCO3) 40 60 Total hardness (mg/L as CaCO3) 40 — 50 50 — 80