Catchment size: 17.8 km2
Period of analysis: 20 February 1981 to 31 December 2022
Comment: This is a Nelson City Council site. It is located on the South Branch of the Maitai River above the water supply scheme and as such measures the natural flow. Drought flow analysis begins with the current site that has operated since 1995. Flood analysis combines information from a preceding site that operated from 1981 to 1995.
| Flood flows | Drought flow | ||
|---|---|---|---|
| Return Period | (m3/s) | 1 day average | 7 day average |
| Annual | 44.7 | 0.154 | 0.168 |
| 5 Year | 57.4 | 0.123 | 0.129 |
| 10 Year | 67.8 | 0.113 | 0.116 |
| 20 Year | 77.7 | 0.105 | 0.106 |
| 50 Year | 90.5 | 0.098 | 0.096 |
| 100 Year | |||
| Extreme Recorded |
91.5 15/04/1983 |
0.085 01/05/2001 |
0.086 28/04/2001 |
Tasman District Council has exercised all reasonable skill and care in collecting and displaying this information. However, the data is provisional, and may be incorrect until checked by staff. Data should be used with caution where there are safety, monetary, or operational consequences if the data is incorrect. Note also, the data may be changed at a later time.
