Recycling Treated Municipal Wastewater for Industrial Water Use

Cost Curves as Basis for Tertiary 1-Conventional Treatment Costs*
Coagulant Addition/Flocculation/Sedimentation
O&M Cost
Design
Flow
O&M Cost
(mgd) ($)
0.00005 $37,000
0.0015 $37,000
0.0054 $37,000
0.0095 $37,000
0.025 $37,000
0.054 $37,000
0.084 $37,000
0.11 $37,000
0.23 $37,000
0.35 $40,552
0.41 $42,329
0.77 $52,986
1.4 $71,635
3 $119,000
7.8 $179,480
11 $219,800
38 $560,000
120 $1,593,200
270 $3,483,200
350 $4,491,200
750 $9,531,200
Cost, $
Cost, $
$140,000
$120,000
$100,000
$80,000
$60,000
$40,000
$20,000
$0
$600,000
$500,000
$400,000
$300,000
$200,000
$100,000
$0
y = 29602.83x + 30191.43
R 2 = 1.00
0 0.5 1 1.5 2 2.5 3 3.5
Flow, mgd
y = 12600.00x + 81200.00
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-Sed Page 2 of 2 5/3/2007 1:22 PM