Treatment alternative | Equipment cost ($) | Installed cost ($) | Operating cost ($/year) | Total cost, 30-year net present value ($) |
---|---|---|---|---|
Anaerobic treatment (base case) | 27,200,000a | 3,182,000 | 80,076,000 | |
Ecosystem services | 26,023,000a | 3,069,000 | 76,747,000 | |
Physical treatment (evaporation) | 15,000,000b | 33,000,000b,c | 2,353,000 | 55,184,520 |