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Recycling Treated Municipal Wastewater for Industrial Water Use

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Frequency of Occurrence, %<br />

Percentile<br />

TM4: WWTP Effluent Quality<br />

<strong>Recycling</strong> <strong>Treated</strong> <strong>Municipal</strong> <strong>Wastewater</strong> <strong>for</strong> <strong>Industrial</strong> <strong>Water</strong> <strong>Use</strong><br />

100.0%<br />

90.0%<br />

80.0%<br />

70.0%<br />

60.0%<br />

50.0%<br />

40.0%<br />

30.0%<br />

20.0%<br />

10.0%<br />

0.0%<br />

100.0%<br />

90.0%<br />

80.0%<br />

70.0%<br />

60.0%<br />

50.0%<br />

40.0%<br />

30.0%<br />

20.0%<br />

10.0%<br />

0.0%<br />

0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0<br />

Annual Average Concentration, mg/L<br />

Figure 1. Effluent CBOD5 of <strong>Municipal</strong> WWTPs in Minnesota<br />

0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0<br />

Annual Average Concentration, mg/L<br />

Figure 2. Effluent CBOD5 of <strong>Municipal</strong> WWTPs Greater than 1 mgd in Minnesota<br />

4 Craddock Consulting Engineers<br />

In Association with CDM & James Crook<br />

TM4-WWTP Eff Quality_0707.doc

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