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Recycling Treated Municipal Wastewater for Industrial Water Use

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Section 3<br />

Inventory of Major WWTPs and Potential <strong>Industrial</strong> Reuse Demands<br />

<strong>Water</strong> <strong>Use</strong> (mgd)<br />

The majority of water used in the power industry category in Minnesota is surface<br />

water used <strong>for</strong> once-through cooling at steam power generation plants, as indicated in<br />

Figures 3.1 and 3.2. The next largest use is <strong>for</strong> nuclear plant cooling water, followed<br />

by other steam power non-cooling water uses. Almost all of the water used by this<br />

category is supplied by surface waters, as indicated in Table 3.1.<br />

1,200<br />

1,000<br />

800<br />

600<br />

400<br />

200<br />

0<br />

Nuclear Power Plant<br />

35.8% (852.6 mgd)<br />

Steam Power Other Than Cooling<br />

13.7% (326.7 mgd)<br />

Steam Power Cooling - Once<br />

through 49.6% (1179.1 mgd)<br />

Steam Power Cooling -<br />

Wet Tower 0.8% (19.5 mgd)<br />

Figure 3.1. Power Generation Facilities <strong>Water</strong> <strong>Use</strong>, 2004<br />

Source: MDNR, 2004<br />

222 223 225 226<br />

<strong>Use</strong> Code<br />

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

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

222 Steam Power Cooling -<br />

Once Through<br />

223 Steam Power Cooling -<br />

Wet tTower<br />

225 Steam Power -<br />

Other Than Cooling<br />

226 Nuclear Power Plant<br />

Figure 3.2. Power Generation Facilities <strong>Water</strong> <strong>Use</strong>, 2004<br />

Source:MDNR, 2004<br />

3-2 Craddock Consulting Engineers<br />

In Association with CDM & James Crook<br />

WWReuseTM1_Sec 3_final.doc

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