Recycling Treated Municipal Wastewater for Industrial Water Use

Recycling Treated Municipal Wastewater for Industrial Water Use Recycling Treated Municipal Wastewater for Industrial Water Use

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WATER USE (MGD) WATER USE (MGD) 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 350 300 250 200 150 100 50 0 244 248 USE CODE 225 USE CODE Ground Water Surface Water 244 Sand and Gravel Washing 248 Non-Metallic Processing Figure 3.16a. Industrial Processing Water Use in the St. Croix Watershed, 2004 Surface Water 225 Steam Power Other than Cooling Figure 3.16b. Power Generation Water Use in the St. Croix Watershed, 2004

Table 3.17a. Industrial Water Use in the Western Lake Superior Watershed 2004 Water Use, mgd Industry Category Groundwater Surface Water Total Mine Processing 0.01 296.51 296.52 Non-metallic Processing 0.01 0.00 0.01 Petroleum - Chemical Processing, ethanol 0.00 0.43 0.43 Pulp and Paper Processing 0.00 6.78 6.78 Sand and Gravel Washing 0.01 0.30 0.31 Steam Power Cooling - Once through 0.00 182.35 182.35 Steam Power Cooling - Wet Tower 0.12 0.00 0.12 Total 0.15 486.37 486.52 Table 3.17b. WWTPs in the Western Lake Superior Watershed Facility Name Design Capacity, mgd Ann Avg Flow, mgd 2003 2004 2005 Eveleth WWTP 1.000 0.645 Hibbing WWTP North Plant 3.200 0.000 Hibbing WWTP South Plant 2.000 2.573 Two Harbors WWTP 1.600 0.701 Virginia WWTP 4.300 2.182 WLSSD WWTP 48.800 38.797 Total 60.900 44.898

WATER USE (MGD)<br />

WATER USE (MGD)<br />

0.8<br />

0.7<br />

0.6<br />

0.5<br />

0.4<br />

0.3<br />

0.2<br />

0.1<br />

0<br />

350<br />

300<br />

250<br />

200<br />

150<br />

100<br />

50<br />

0<br />

244 248<br />

USE CODE<br />

225<br />

USE CODE<br />

Ground <strong>Water</strong><br />

Surface <strong>Water</strong><br />

244 Sand and Gravel Washing<br />

248 Non-Metallic Processing<br />

Figure 3.16a. <strong>Industrial</strong> Processing <strong>Water</strong> <strong>Use</strong> in the St. Croix <strong>Water</strong>shed, 2004<br />

Surface <strong>Water</strong><br />

225 Steam Power Other than<br />

Cooling<br />

Figure 3.16b. Power Generation <strong>Water</strong> <strong>Use</strong> in the St. Croix <strong>Water</strong>shed, 2004

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