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<br />Ms. Maryanne C. Bach
<br />December 30, 2003
<br />Page 9
<br />
<br />TABLE III
<br />
<br />DENVER WATER
<br />RETURN FLOW OF COLORADO RIVER WATER
<br />WATER YEAR 2003
<br />acre-feet
<br />
<br />Month
<br />
<br />Oct-02
<br />Nov-02
<br />Dec-02
<br />Jan-03
<br />Feb-03
<br />Mar-03
<br />Apr-03
<br />May-03
<br />Jun-03
<br />Jul-03
<br />Aug-03
<br />Sep-03
<br />Total
<br />
<br />Total
<br />Water
<br />Usage
<br />(1)
<br />15,018
<br />13,528
<br />14,630
<br />13,51 0
<br />13,106
<br />12,302
<br />17,728
<br />17,648
<br />19,380
<br />23,090
<br />26,676
<br />31,832
<br />218,448
<br />
<br />Colorado River Water Usage
<br />Moffat Roberts Total
<br />Tunnel Tunnel Colorado
<br />Water Water River
<br />(2) (3) (4)
<br />1,038 4,n4 5,812
<br />924 4,816 5,740
<br />180 6,616 6,796
<br />820 6,504 7,324
<br />430 7,022 7,452
<br />2,194 4,096 6,290
<br />482 3,038 3,520
<br />810 2,180 2,990
<br />2,542 1 ,468 4,010
<br />11,436 9,518 20,954
<br />7,836 16,29624,132
<br />7,336 5,726 13,062
<br />36,028 72,054 108,082
<br />
<br />Percent
<br />Colorado River
<br />Water Usage
<br />(5)
<br />38.7%
<br />42.4%
<br />46.5%
<br />54.2%
<br />56.9%
<br />51.1%
<br />19.9%
<br />16.9%
<br />20.7%
<br />90.7%
<br />90.5%
<br />41.0%
<br />49.5%
<br />
<br />(1) Deliveries from Denver Water's water treatment plants
<br />and raw water deliveries.
<br />(2) Totals from Column (8) of Table I.
<br />(3) Totals from Column (6) of Table II.
<br />(4) Sum of Columns (2) and (3).
<br />(5) Column (4) divided by Column (1).
<br />(6) Total wastewater base flow from Denver Water's service area.
<br />See page 2 of letter for explanation.
<br />(7) Column (5) multiplied by Column (6).
<br />This is the amount of Colorado River water returned to the South Platte River
<br />through the metropolitan area's wastewater systems.
<br />
<br />Wastewater
<br />Effluent
<br />Base Flow
<br />(6)
<br />10,899
<br />10,613
<br />10,240
<br />10,129
<br />9,418
<br />10,840
<br />10,472
<br />10,957
<br />9,331
<br />9,2n
<br />9,152
<br />9,080
<br />120,407
<br />
<br />Return
<br />Flow of
<br />Colorado
<br />River
<br />Water
<br />(7)
<br />4,218
<br />4,503
<br />4,757
<br />5,491
<br />5,355
<br />5,542
<br />2,079
<br />1,856
<br />1,931
<br />8,419
<br />8,279
<br />3,726
<br />56,156
<br />
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