| Length |
5.7km |
| Size Of Catchment |
166ha |
| Vegetation Cover |
35% (58ha), providing significant riparian cover. |
| Imperviousness |
25% |
| District Plan Land Use |
Business |
<1% |
| Recreation |
44% |
| Residential |
46% |
| Road |
10% |
| Recreational Use |
High, known high public use of stream locality. |
| Receiving Environment |
Campbells Bay, Hauraki Gulf. |
| Substrate |
Silt/mud. |
| Natural Wetlands |
Nil |
| Artificial Wetlands |
Nil |
| Periphyton |
Below nuisance levels |
| Macrophytes |
Possible management issues in Tributaries 1 + 2. |
| Macroinvertebrates |
No data |
| Fish |
6 species of native fish + koura. |
| Potential Man-Made Barriers to Fish Passage to Upstream Habitat |
11 |
| Channel Modification |
Unmodified except for Tributaries 1, 1A, 1B and 2. |
| Erosion around Structures |
3 structures with slight erosion, 1 with moderate erosion. |
| Bank Erosion |
Slight (natural) to moderate, with severe erosion at the confluence of Tributaries 1 and 1F, in Tributary 1D, and at the head of Tributary 2. |
| Temperature |
No data. |
| Suspended Solids, Turbidity And Visual Clarity |
Average compared to other North Shore streams except for the lower section of Tributary 1 which had the best clarity reading of the survey. |
| Oxygen and Oxygen Demand |
No data. |
| Nutrients |
No data |
| Contaminants |
No data |
| Bacteria and Pathogens |
Levels of indicator bacteria indicate that the stream is not suitable for contact recreation. |
| Sediment Quality |
No data |
| Debris |
Significant amounts of inorganic debris. |
| Stream Grouping |
Group 2, High value low disturbance |
58% |
| Group 3a, Urban semi-modified |
30% |
| Group 3b, Urban modified |
2% |
| Group 4, Concrete lined channel |
- |
| Group 5, Piped section |
8% |