Recycling Treated Municipal Wastewater for Industrial Water Use

Cost Curves as Basis for Tertiary 1-Conventional Treatment Costs*
Gravity Filtration
O&M Cost
Design
Flow
O&M Cost
(mgd) ($)
0.00005 $62,300
0.0015 $62,300
0.0054 $62,300
0.0095 $62,300
0.025 $62,300
0.054 $62,300
0.084 $62,300
0.11 $62,300
0.23 $62,300
0.35 $66,034
0.41 $67,901
0.77 $79,104
1.4 $98,709
3 $148,500
7.8 $182,031
11 $204,386
38 $393,000
120 $965,829
270 $2,013,686
350 $2,572,543
750 $5,366,829
Cost, $
Cost, $
$160,000
$140,000
$120,000
$100,000
$80,000
$60,000
$40,000
$20,000
$450,000
$400,000
$350,000
$300,000
$250,000
$200,000
$150,000
$100,000
$50,000
$0
$0
y = 31119.21x + 55142.28
R 2 = 1.00
0 0.5 1 1.5 2 2.5 3 3.5
Flow, mgd
y = 6985.72x + 127542.78
R 2 = 1.00
0 5 10 15 20
Flow, mgd
25 30 35 40
*Source: Environmental Protection Agency (EPA), 2003. Technologies and Costs Document for the Final Long Term 2
Enhanced Surface Water Treatment Rule and Final Stage 2 Disinfectants and Disinfection Byproducts Rule. December.
EPA 815-R-05-013.
Conventional Treatment.xls, Summ-Filt 5/3/2007 1:23 PM