Well numberM35/10174 File numberCO6C/21660
Last known ownerPaul Chinnery Well statusActive (exist, present)
Street/road128 gladstone rd NZTM grid referenceBW24:74128-03299
LocalityKaiapoi NZTM X and Y1574128 - 5203299
Location description Location accuracy50 - 300m
CWMS zoneWaimakariri UseDomestic Supply,
Groundwater allocation zoneAshley Water level monitoring--
Depth18.00m Water level count1
Diameter150mm Initial water level3.95m below MP
Measuring point description Highest water level3.00m below MP
Measuring point elevation7.95m above MSL (Lyttelton 1937) Lowest water level3.00m below MP
Elevation accuracy< 2.5 m First reading17 Feb 2010
Ground level0.00m above MP Last reading17 Feb 2010
Strata layers9 Calc min 80%2.30m below MP (Estimated)
Aquifer name Aquifer tests0
Aquifer type Yield drawdown tests1
Drill date21 Apr 2004 Max tested yield3 l/s
DrillerClemence Drilling Contractors Drawdown at max tested yield6 m
Drilling methodRotary/Percussion Specific capacity0.55 l/s/m
Casing materialSTEEL Last updated29 Jun 2023
Pump type Last field check17 Feb 2010
Water use dataNo   

Screens

Screen no. Screen type Top (m) Bottom (m) Slot size (mm) Slot length (mm) Diameter (mm) Leader length (mm)
1 Stainless steel 15.97 18

Step tests

Step test date Step Yield Yield GPM DrawDown Step duration
21 Apr 2004 1 3 39.59455 5.5 3

Comments

Comment date Comment
10 Jan 2023 Reference Level updated using LiDAR imagery in Dec 2022. The existing RL was 6.18 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.

Bore log