| Well number | BW23/0537 | File number | |
|---|---|---|---|
| Last known owner | D & S Haisma | Well status | Active (exist, present) |
| Street/road | Glews Road | NZTM grid reference | BW23:44463-07751 |
| Locality | Oxford | NZTM X and Y | 1544463 - 5207751 |
| Location description | Location accuracy | 50 - 300m | |
| CWMS zone | Waimakariri | Use | Domestic Supply, |
| Groundwater allocation zone | Cust | Water level monitoring | -- |
| Depth | 36.00m | Water level count | 1 |
| Diameter | 150mm | Initial water level | 4.30m below MP |
| Measuring point description | Top of Casing | Highest water level | 4.30m below MP |
| Measuring point elevation | 166.83m above MSL (Lyttelton 1937) | Lowest water level | 4.30m below MP |
| Elevation accuracy | < 2.5 m | First reading | 03 Apr 2019 |
| Ground level | 0.40m below MP | Last reading | 03 Apr 2019 |
| Strata layers | 7 | Calc min 80% | |
| Aquifer name | Aquifer tests | 0 | |
| Aquifer type | Yield drawdown tests | 1 | |
| Drill date | 03 Apr 2019 | Max tested yield | |
| Driller | East Coast Drilling | Drawdown at max tested yield | |
| Drilling method | Air Rotary | Specific capacity | 1.36 l/s/m |
| Casing material | Steel | Last updated | 29 Jun 2023 |
| Pump type | Last field check | 03 Apr 2019 | |
| 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 | 33 | 34.5 | 100 | 500 | ||
| 2 | Slotted steel | 34.5 | 36 | 100 |
Step tests
| Step test date | Step | Yield | Yield GPM | DrawDown | Step duration |
|---|---|---|---|---|---|
| 03 Apr 2019 | 1 | 1.5 | 19.7972755 | 1.1 | 2 |
Comments
| Comment date | Comment |
|---|---|
| 27 Aug 2019 | Owner name from on-line borecompletion form |
| 27 Aug 2019 | Location name from on-line borecompletion form |
| 10 Jan 2023 | Reference Level updated using LiDAR imagery in Dec 2022. The existing RL was null and the QAR RL was 5. The method of calculating the original RL was: no height assigned. If GL from MP is updated in future please assess if RL also needs to be updated. |