Recycling Treated Municipal Wastewater for Industrial Water Use

Table 3.10a. Industrial Water Use in the Lower Mississippi River Watershed
2004 Water Use, mgd
Industry Category Groundwater Surface Water Total
Agricultural Processing 2.89 0.00 2.89
Industrial Process Cooling - Once Through 0.38 0.01 0.39
Metal Processing 0.70 0.00 0.70
Non-Metallic Processing 1.02 0.00 1.02
Nuclear Power Plant 0.09 505.84 505.93
Petroleum - Chemical Processing, ethanol 7.00 0.00 7.00
Power Generation 0.55 0.00 0.55
Sand & Gravel Washing 0.27 1.58 1.85
Steam Power Cooling - Once Through 0.00 71.38 71.38
Steam Power Cooling - Wet Tower 0.41 0.00 0.41
Total 13.31 578.81 592.12
Table 3.10b. WWTPs in the Lower Mississippi River Watershed
Facility Name
Design
Capacity, mgd
Ann Avg Flow, mgd
Flow as % of
Design Capacity
2003 2004 2005 2005
Faribault WWTP 7.000 3.697 53%
Lake City WWTP 1.520 0.558 37%
Met Council - Empire WWTP* 24.000 8.458 35%
Met Council - Rosemount WWTP* 1.300 0.903 69%
Northfield WWTP 5.200 2.067 40%
Owatonna WWTP 5.000 3.531 71%
Plainview-Elgin Sanitary District WWTP 1.421 1.053 74%
Red Wing WWTP 4.000 2.057 51%
Rochester Water Reclamation Plant 19.100 13.462 70%
Stewartville WWTP 1.111 0.531 48%
Whitewater River Regional WWTP 1.120 0.701 63%
Winona WWTP 6.500 3.947 61%
Total 77.272 40.965 53%
* Design capacity changed per MCES instructions