Register A Septic Tank Or Treatment Plant

You may need a permit for your septic tank or treatment plant if it:

Check if your discharge is large

You need a permit to discharge more than a certain amount. The amount depends on whether your septic tank or treatment plant discharges into ground or surface water (eg a river or lake).

Discharge into ground

You must apply for a permit if your septic tank or treatment plant discharges both:

You can use the table to estimate your discharge or you can calculate your discharge.

NUMBER OF PROPERTIES TOTAL NUMBER OF BEDROOMS DISCHARGE PER DAY
1 Up to 12 2,000 litres or less
2 Up to 10 2,000 litres or less
3 Up to 8 2,000 litres or less

Discharge into water

You must apply for a permit if your treatment plant discharges both:

You can’t usually get a permit for a new septic tank that discharges into water – you should apply for a permit for an existing one, but you’ll usually be asked to upgrade to a treatment plant.

You can use the table to estimate your discharge or you can calculate your discharge.

NUMBER OF PROPERTIES TOTAL NUMBER OF BEDROOMS DISCHARGE PER DAY
1 Up to 39 5,000 litres or less
2 Up to 37 5,000 litres or less
3 Up to 35 5,000 litres or less
4 Up to 33 5,000 litres or less
5 Up to 31 5,000 litres or less
6 Up to 29 5,000 litres or less
7 Up to 27 5,000 litres or less
8 Up to 25 5,000 litres or less

Check if you’re in a sensitive area

You must apply for a permit if your septic tank or treatment plant discharges into the ground through a drainage field, eg an ‘infiltration system’ or ‘soakaway’:

You must also apply for a permit if your septic tank or treatment plant began discharging on or after 6 April 2010:

Powered By OpenCart
Septic Tank Supplies © 2018
SSL Certificates