Sustainability Report 2006/07Water quality - parameters and reporting levels
| Parameter | Guideline Basis | Units |
Reporting Level |
|---|---|---|---|
| Microbiological - routine | |||
| E.Coli | ADWG 2004 | organisms/100mL |
1 |
| Physical - routine | |||
| Colour | ADWG 2004 | True colour units (HU) |
15 |
| Turbidity | ADWG 2004 | Nephelometric turbidity units (NTU) |
5 |
| pH | ADWG 2004 | pH units |
6.5 to 8.5 |
| Chemical - routine | |||
| Aluminium | ADWG 2004 | milligrams/litre - mg/L |
0.2 |
| Iron | ADWG 2004 | mg/L |
0.3 |
| Manganese | ADWG 2004 | mg/L |
0.1 |
| Fluoride | Health Act | mg/L |
0.7 - 1.2 |
| Chemical - routine less frequent | |||
| Arsenic | ADWG 2004 | milligrams/litre - mg/L |
0.007 |
| Cadmium | ADWG 2004 | mg/L |
0.002 |
| Chromium | ADWG 2004 | mg/L |
0.05 |
| Copper | ADWG 2004 | mg/L |
1 |
| Cyanide | ADWG 2004 | mg/L |
0.08 |
| Lead | ADWG 2004 | mg/L |
0.01 |
| Mercury | ADWG 2004 | mg/L |
0.001 |
| Selenium | ADWG 2004 | mg/L |
0.01 |
| Zinc | ADWG 2004 | mg/L |
3 |
| Chloride | ADWG 2004 | mg/L |
250 |
| Hardness | ADWG 2004 | mg/L |
200 |
| Nitrate (as N) | ADWG 2004 | mg/L |
50 |
| Sodium | ADWG 2004 | mg/L |
180 |
| Sulphate | ADWG 2004 | mg/L |
250 |
| Total alkalinity | * | mg/L |
* |
| Calcium | * | mg/L |
* |
| Magnesium | * | mg/L |
* |
| Silica | * | mg/L |
* |
| Total organic carbon | * | mg/L |
* |
| Total phosphorus | * | mg/L |
* |
| Total solids | ADWG 2004 | mg/L |
500 |
| Radiological | |||
| Radioactivity - alpha | ADWG 2004 | Becquerel/litre |
0.5 |
| Radioactivity - beta | ADWG 2004 | Becquerel/litre |
0.5 |
| Pesticides | |||
| Aldrin | ADWG 2004 | milligrams/litre - mg/L |
0.0003 |
| Atrazine | ADWG 2004 | mg/L |
0.04 |
| Dieldrin | ADWG 2004 | mg/L |
0.0003 |
| Chlordane | ADWG 2004 | mg/L |
0.001 |
| DDT | ADWG 2004 | mg/L |
0.02 |
| Heptachlor | ADWG 2004 | mg/L |
0.0003 |
| Heptachlor epoxide | ADWG 2004 | mg/L |
0.0003 |
| Lindane | ADWG 2004 | mg/L |
0.02 |
| 2,4-D | ADWG 2004 | mg/L |
0.03 |
| Industrial chemicals | |||
| Carbon tetrachloride | ADWG 2004 | milligrams/litre - mg/L |
0.003 |
| Tetra chloroethene | ADWG 2004 | mg/L |
0.05 |
| 1,1 Dichloroethene | ADWG 2004 | mg/L |
0.03 |
| 1,2-Dichloroethene | ADWG 2004 | mg/L |
0.06 |
| 1,2-Dichloroethane | ADWG 2004 | mg/L |
0.003 |
| Benzene | ADWG 2004 | mg/L |
0.001 |
| Polynuclear aromatic hydrocarbons (PAH's) | |||
| Benzo-a-pyrene | ADWG 2004 | milligrams/litre - mg/L |
0.00001 |
| Byproducts of disinfection | |||
| Pentachlorophenol | * | milligrams/litre - mg/L |
0.002 |
| 2,4,6-Trichlorophenol | ADWG 2004 | mg/L |
0.02 |
| Trihalomethanes (THM's) Total | |||
| ADWG 2004 | milligrams/litre - mg/L |
0.25 |
|
| Chloroacetic acids No limit set | |||
| Chloroacetic acid | ADWG 2004 | milligrams/litre - mg/L |
0.15 |
| Dichloroacetic acid | ADWG 2004 | mg/L |
0.1 |
| Trichloroacetic acid | ADWG 2004 | mg/L |
0.1 |
* Items marked with an asterisk have not had a reporting level set but are monitored for operational purposes.
- ADWG 2004 - National Health and Medical Research Council/Australian Water Resources Council 2004: Guidelines for Drinking Water Quality in Australia
- milligrams/litre = mg/L or parts per million
- micrograms/litre = mg/L or parts per thousand million (billion)