ATO depreciation rates for water assets assets in the Manufacturing industry, under Income Tax (Effective Life of Depreciating Assets) Determination 2025 (LI 2025/20).
15 assets listed.
| Asset | Effective life | Prime cost rate | Diminishing value rate | Applicable from |
|---|---|---|---|---|
| Boilers | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Bore pumps | 7 years | 14.29% | 28.57% | 1 July 2025 |
| Bores | 30 years | 3.33% | 6.67% | 1 July 2025 |
| Chlorine dosing systems | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Clarifiers | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Heat exchangers | 10 years | 10.00% | 20.00% | 1 July 2025 |
| High stage pump sets | 7 years | 14.29% | 28.57% | 1 July 2025 |
| Hot water systems | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Raw water filters | 15 years | 6.67% | 13.33% | 1 July 2025 |
| Raw water in-feed pump sets | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Reverse osmosis systems (incorporating pumps, pipe work, membranes and controls) | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Water distribution pipes | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Water softeners | 10 years | 10.00% | 20.00% | 1 July 2025 |
| Water storage tanks | 20 years | 5.00% | 10.00% | 1 July 2025 |
| Water tank liners | 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.