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Systems Analysis of Zaragoza Urban Water - SWITCH - Managing ...

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<strong>Systems</strong> <strong>Analysis</strong> <strong>of</strong> <strong>Zaragoza</strong> UWS Guillermo Penagos<br />

Annex 4<br />

Groundwater flows and energy consumed for groundwater extraction<br />

Energy consumption has been extrapolated from the following assumptions:<br />

- Average groundwater table depth in <strong>Zaragoza</strong> = 5m<br />

(Personal communication, Local agenda 21 Office)<br />

- Average energy consumption for groundwater extraction<br />

= 0.02 Kwh/m3 at 5m height<br />

(Personal communication, Local agenda 21 Office)<br />

<strong>Water</strong> extraction (m 3 )<br />

Energy consumption (Kwh)<br />

Year<br />

Industries<br />

connected to<br />

the sewer<br />

system Landscaping Paper mills<br />

Total<br />

groundwater<br />

extraction<br />

Industries<br />

connected to<br />

the sewer<br />

system Landscaping Paper mills<br />

Total<br />

groundwater<br />

extraction<br />

2001 1,369,411 18,831,712 27,388 376,634<br />

2002 1,566,324 19,028,625 31,326 380,573<br />

2003 1,457,208 18,919,509 29,144 378,390<br />

1,462,301 16,000,000<br />

29,246 320,000<br />

2004 1,568,466 19,030,767 31,369 380,615<br />

2005 1,309,231 18,771,532 26,185 375,431<br />

2006 1,481,114<br />

18,943,415 29,622<br />

378,868<br />

82

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