Recycling Treated Municipal Wastewater for Industrial Water Use

Cost Curves as Basis for Tertiary 1-Conventional Treatment Costs*
Gravity Filtration
Capital Cost
Design
Flow
Capital Cost
(mgd) ($)
0.0001 $1,106,000
0.007 $1,106,000
0.022 $1,106,000
0.037 $1,106,000
0.091 $1,106,000
0.18 $1,106,000
0.27 $1,106,000
0.36 $1,106,000
0.68 $1,106,000
1 $1,331,013
1.2 $1,471,646
2 $2,034,177
3.5 $3,088,924
7 $5,550,000
17 $7,731,159
22 $8,821,739
76 $20,600,000
210 $49,827,536
430 $97,813,043
520 $117,443,478
1,500.00 $331,197,101
Cost, $
Cost, $
$6,000,000
$5,000,000
$4,000,000
$3,000,000
$2,000,000
$1,000,000
y = 703164.52x + 627848.28
R 2 = 1.00
Curve fit equations
CCI Index Multiplier 1.16
Avg Flow Range 0.23-3.0 mgd >3-30 mgd
Design Flow Range 0.68-07.0 mgd >7-60 mgd
Design/Avg Flow Ratio 2
Note: Adustments were made with vendor supplied costs for lower flows and to evaluate
application of these costs for treated wastewater effluent (developed for potable supply).
$0
$25,000,000
$20,000,000
$15,000,000
$10,000,000
$5,000,000
$0
0 1 2 3 4
Flow, mgd
5 6 7 8
y = 218115.94x + 4023188.20
R 2 = 1.00
0 10 20 30 40
Flow, mgd
50 60 70 80
*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