Chlorophyll-a (1)
| Improving |
| Worsening |
| Indeterminate |
Visual clarity (2)
|
| Improving |
|
| Worsening |
|
| Insufficient data |
Dissolved oxygen (3)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Dissolved reactive phosphorus (4)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Enterococci (5)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Faecal coliforms (6)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Ammoniacal nitrogen (7)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Nitrate-nitrite nitrogen (8)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Suspended solids (9)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Total phosphorus (10)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Total nitrogen (11)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
Turbidity (12)
|
| Improving |
|
| Worsening |
|
| Indeterminate |
|