| Well number | BY21/0455 | File number | |
|---|---|---|---|
| Last known owner | Richard Ashford | Well status | Active (exist, present) |
| Street/road | 337 Racecourse Road | NZTM grid reference | BY21:98721-41892 |
| Locality | Ashburton | NZTM X and Y | 1498721 - 5141892 |
| Location description | Location accuracy | 10 - 50m | |
| CWMS zone | Ashburton | Use | Domestic and Stockwater, |
| Groundwater allocation zone | Hakatere/Ashburton River | Water level monitoring | -- |
| Depth | 36.00m | Water level count | 1 |
| Diameter | 150mm | Initial water level | 10.80m below MP |
| Measuring point description | Top of Casing | Highest water level | 10.80m below MP |
| Measuring point elevation | 115.48m above MSL (Lyttelton 1937) | Lowest water level | 10.80m below MP |
| Elevation accuracy | < 2.5 m | First reading | 08 May 2021 |
| Ground level | 0.40m below MP | Last reading | 08 May 2021 |
| Strata layers | 8 | Calc min 80% | |
| Aquifer name | Aquifer tests | 0 | |
| Aquifer type | Yield drawdown tests | 1 | |
| Drill date | 07 May 2021 | Max tested yield | |
| Driller | Smiths Welldrilling | Drawdown at max tested yield | |
| Drilling method | Rotary/Percussion | Specific capacity | 13.53 l/s/m |
| Casing material | Steel | Last updated | 29 Jun 2023 |
| Pump type | Last field check | 08 May 2021 | |
| 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 | 34.5 | 36 | 2.5 | 10 | 137 | 500 |
Step tests
| Step test date | Step | Yield | Yield GPM | DrawDown | Step duration |
|---|---|---|---|---|---|
| 08 May 2021 | 1 | 4.06 | 53.5846252 | 0.3 | 1 |
Comments
| Comment date | Comment |
|---|---|
| 21 May 2021 | Owner name from on-line borecompletion form |
| 21 May 2021 | 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. |
| 10 May 2023 | Dec 2022 Reference Level update using LiDAR was in NZVD 2016, rather than Lyttelton 1937. Rectified in May 2023 by using the previously determined LiDAR elevation value and LINZ conversion tool to calculate Lyttelton 1937 elevation and update Reference Level field. Reference Level updated from 115.111m to 115.476m. |