Skip to main content

The doors to our Whitianga and Paeroa offices will be closed for the summer break from 4pm on Friday, 20 December, while our Taupō and Hamilton offices will close for the summer break at 1pm on Tuesday, 24 December. All offices will reopen on Monday, 6 January 2025. To report air or water pollution, unsafe water activities in or on a river, lake or harbour, or make a general enquiry or information request during this time, call us 24/7 on 0800 800 401.

Close alert

Effluent application depth

Use the template below to help you calculate effluent application depth:


Amount of nitrogen to be applied in kilograms per hectare
 

Nitrogen content of effluent in kilograms per litre (0.04% = 0.0004 kg/L)  
 

1 Hectare = 10000 square metres  
 
  =  
  Depth in millimetres