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Figure 7: Levels of wastewater treatment in New Zealand (1995)
Text description of figure
Levels of wastewater treatment in New Zealand |
||||
|---|---|---|---|---|
| Tertiary treatment | Secondary Treatment | Less than secondary | No treatment reported | |
| Number of plants | 98 | 150 | 10 | 11 |
| Percentage of plants | 36% | 56% | 4% | 4% |
| Population served | 1,600,000 | 1,100,000 | 340,000 | 10,000 |
