Chemical and radiological parameters
The reporting levels are based on Australian Drinking Water Guidelines (2004). Results should not exceed the reporting levels. Items marked with an asterisk have not had a reporting level set but are monitored for operational purposes. Sampling is conducted at headworks reservoirs.
| Parameter | Reporting Level mg/L |
Total number of Analyses |
Exceed Reporting Level No (%) |
|---|---|---|---|
| Arsenic | 0.007 | 36 | 0 |
| Cadmium | 0.002 | 36 | 0 |
| Chromium | 0.05 | 36 | 0 |
| Copper | 1 | 36 | 0 |
| Cyanide | 0.08 | 36 | 0 |
| Lead | 0.01 | 36 | 0 |
| Mercury | 0.001 | 36 | 0 |
| Selenium | 0.01 | 36 | 0 |
| Zinc | 3 | 37 | 0 |
| Chloride | 250 | 36 | 0 |
| Hardness | 200 | 36 | 0 |
| Nitrate (as N) | 50 | 36 | 0 |
| Sodium | 180 | 36 | 0 |
| Sulphate | 250 | 36 | 0 |
| Total Alkalinity | * | 36 | |
| Calcium | * | 36 | |
| Magnesium | * | 36 | |
| Silica | * | 42 | |
| Total Organic Carbon | * | 44 | |
| Total Phosphorus | * | 36 | |
| Total Solids | * | 86 | |
| Parameter | Reporting Level Bq/L |
Total number of Analyses |
Exceed Reporting Level No (%) |
|---|---|---|---|
| Radioactivity - alpha | 0.1 | 16 | 0 |
| Radioactivity - beta | 0.1 | 16 | 0 |
Click on the links below for information on Melbourne Water’s:
- Public Health Policy (PDF, 61kb)
- Water quality - parameters and reporting levels
- Microbiological parameters
- Routine physical parameters
- Routine inorganic chemical parameters
- Organic chemicals