| Well number | M35/5736 | File number | CO6C/30761 |
|---|---|---|---|
| Last known owner | Canterbury Pet Foods Limited | Well status | Active (exist, present) |
| Street/road | BRADLEYS ROAD | NZTM grid reference | BW23:63671-97869 |
| Locality | Ohoka | NZTM X and Y | 1563671 - 5197869 |
| Location description | Location accuracy | 2 - 15m | |
| CWMS zone | Waimakariri | Use | Irrigation, |
| Groundwater allocation zone | Eyre River | Water level monitoring | -- |
| Depth | 15.50m | Water level count | 0 |
| Diameter | 150mm | Initial water level | |
| Measuring point description | Highest water level | ||
| Measuring point elevation | 29.95m above MSL (Lyttelton 1937) | Lowest water level | |
| Elevation accuracy | < 0.5 m | First reading | |
| Ground level | 0.00m above MP | Last reading | |
| Strata layers | 5 | Calc min 80% | 2.35m below MP (Estimated) |
| Aquifer name | Aquifer tests | 0 | |
| Aquifer type | Unknown | Yield drawdown tests | 1 |
| Drill date | 25 Sep 1987 | Max tested yield | 31 l/s |
| Driller | Clemence Drilling Contractors | Drawdown at max tested yield | 4 m |
| Drilling method | Cable Tool | Specific capacity | 8.86 l/s/m |
| Casing material | Last updated | 29 Jun 2023 | |
| Pump type | Unknown | Last field check | |
| Water use data | No |
Screens
| Screen no. | Screen type | Top (m) | Bottom (m) | Slot size (mm) | Slot length (mm) | Diameter (mm) | Leader length (mm) |
|---|---|---|---|---|---|---|---|
| 1 | Stainless steel | 12.5 | 15.5 |
Step tests
| Step test date | Step | Yield | Yield GPM | DrawDown | Step duration |
|---|---|---|---|---|---|
| 25 Sep 1987 | 1 | 31 | 409.1437 | 3.5 | 2 |
Comments
| Comment date | Comment |
|---|---|
| 18 Mar 1999 | Updated grid reference on 18/03/99 based on field visit. |
| 21 Jul 2011 | Previous owner BELLANEY, S |
| 10 Jan 2023 | Reference Level updated using LiDAR imagery in Dec 2022. The existing RL was 33.53 and the QAR RL was 4. The method of calculating the original RL was: Interpolated DTM. If GL from MP is updated in future please assess if RL also needs to be updated. |