STEP 1 - Input Well/bore numbers

NOTE: If you already have a PRN file you can skip this step and upload it below in Step 3

Add Well numbers or a Consent/Application number:

OR

Add details for a "virtual well" that doesn't exist on the Wells Database:
NOTE: Grid reference used are NZTM. If you need to convert to NZTM you can use either of these links:

• LINZ coordinate converter
• Canterbury Maps

NZTMX  NZTMY Depth Q7  Q150

Selected well details

STEP 2 - Set parameters to use

(Recommended values are set as the default values)

Maximum radius for consideration of drawdown: m

Minimum drawdown to include in cummulative effect : m

Nominal flow for unconsented wells (Domestic or Stock): l/s

STEP 3 - Get the PRN file

Either generate it using the the parameters entered in Step 1 and 2 above:

PLEASE NOTE: This may take some time to process depending on connection speed and server availability.

OR

Upload an existing PRN file

STEP 4 - Data Checks

STEP 5 - Analysis Parameters

Use Lodgement Date (Formally Notifiable Date)
Pumping Duration 1 (short)		days
Pumping Duration 2 (season)		days
Proportion of maximum allocated volume used over 150 days
Assumed standard screen length		m
Assumed standard pump length		m
Adequate penetration depth of aquifer		m
Proportion of drawdown reserved for well