Running costs of water treatment plants
Running COSTS of water treatment plants mainly include water resource fee, electricity cost, chemical cost, staff cost, maintenance and replacement cost, administration cost, and bank interests.
Water treatment plant construction costs
| Item | Description | Calculation |
Cost Monthly US$ |
Percentage |
| Water resource fee | $0.07/m3 | 0.07*100,000*30 | $210,000 | 43% |
| Electricity fee | For 50 m head, efficiency 0.80 | 0.17 Kwh*0.10*100,000*30 | $51,000 | 11% |
| Chemical fee | 20 mg/L FeCl3, 3 mg/L Cl2 | (0.02*1.5+0.003*1)*100,000*30 | $99,000 | 20% |
| Staff cost | 24 staffs, average $2500/month salary | 24*2500 | $60,000 | 12% |
| Administration cost | 50% of staff cost | 24*2500*50% | $30,000 | 6% |
| Maintenance and replacement cost | yearly 1% of total construction cost | 400*1%/12*100,000 | $33,333 | 7% |
| Total monthly cost | $483,333 | 100% | ||
| Cost /m3 | Total cost/ 100,000/30 | $0.16 | ||
| Note: The tabe is for illustration of calculation, so the value may differ from real situations. | ||||