| Estimate costs** | |
| Pond areas (terrain)* | R$ 200,000.00 |
| Complete primary treatment | R$ 45,000.00 |
| Ponds, insulation, aeration, dehydration, hydraulic and pumping facilities | R$ 207,980.00 |
| Civil construction blowers (pond aeration) | R$ 56,344.00 |
| Estimated total cost | R$ 509,324.00 |