It is the gateway to Farewell Spit - the 35 kilometre sand bar that stretches into the sea forming the northernmost point of the South Island.
Sue Brown
Paul Sangster
Diagram of the Collingwood water supply
Collingwood Water Supply takes water from a bore near the Aorere River. The water is aerated and passes through a lime filter for pH control. The water is chlorinated for disinfection purposes. The scheme is fully metered except for one connection
| Parameter | Concentration | Units |
|---|---|---|
|
pH |
6.5 |
|
|
Turbidity (cloudiness) |
<0.2 |
NTU |
|
Hardness (total) |
25-30 |
mg/l as CaCO3 |
|
Calcium |
9 |
mg/l |
|
Magnesium |
1.4 |
mg/l |
|
Manganese |
0.005 |
mg/l |
|
Nitrate |
0.25 |
mg/l as Nitrate-Nitrogen |
|
Chloride |
8.5 |
mg/l |
Collingwood Memorial Hall, 9 Tasman Street, Collingwood 7171
Phone: 03 524 8588
