ATO depreciation rates for irrigation assets assets in the Agriculture, Forestry And Fishing industry, under Income Tax (Effective Life of Depreciating Assets) Determination 2025 (LI 2025/20).
10 assets listed.
| Asset | Effective life | Prime cost rate | Diminishing value rate | Applicable from |
|---|---|---|---|---|
| Above ground polyethylene (PE) pipes | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Control systems | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Drippers, micro sprays and mini sprinklers | 5 years | 20.00% | 40.00% | 1 July 2025 |
| Effluent | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Filtration systems | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Fresh water | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Irrigation earth channels Irrigators (including centre pivot, lateral and | 40 years | 2.50% | 5.00% | 1 July 2025 |
| Irrigation pumps | 12 years | 8.33% | 16.67% | 1 July 2025 |
| Pumps | 12 years | 8.33% | 16.67% | 1 July 2025 |
| Variable speed drives (VSDs) | 15 years | 6.67% | 13.33% | 1 July 2025 |
The effective lives shown above are determined by the Commissioner of Taxation under section 40-100 of the Income Tax Assessment Act 1997. The diminishing value rate equals 200% ÷ effective life (for assets acquired on or after 10 May 2006). The prime cost rate equals 100% ÷ effective life. You may alternatively self-assess effective life — see the ATO website for guidance.