Water Quality Analysis from Hill Laboratories (19/01/2001)
|
Component
|
Units
|
Guideline Values
|
Actual Values
|
| pH |
pH units
|
6.5-8.5
|
7.2
|
| Electrical Conductivity (ECw) |
dS/m
|
<1.5
|
6.83
|
| Total Dissolved Salts |
mg/L
|
<1000
|
4580
|
| Alkalinity (as CaCO3) |
mg/L
|
No Guideline
|
215
|
| Free CO2 |
mg/L
|
No Guideline
|
27
|
| Calcium |
mg/L
|
No Guideline
|
63.8
|
| Magnesium |
mg/L
|
No Guideline
|
127
|
| Total Hardness (as CaCO3) |
mg/L
|
<200
|
681
|
| Sodium |
mg/L
|
<200
|
1220
|
| Potassium |
mg/L
|
No Guideline
|
26.8
|
| Nitrate-N |
mg/L
|
<11.3
|
<0.02
|
| Chloride |
mg/L
|
<250
|
2100
|
| Sulphate |
mg/L
|
<250
|
330
|
| Boron |
mg/L
|
<0.3
|
0.5
|
| Total Iron |
mg/L
|
<0.2
|
0.22
|
| Total Manganese |
mg/L
|
<0.05
|
0.101
|
| Total Copper |
mg/L
|
<1
|
0.02
|
| Total Zinc |
mg/L
|
<3
|
0.011
|
NOTE: Guideline values from 1995 Dept. of Health "Drinking Water Standards for New Zealand"