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the 'Twin Cities, is an area. where new public water-supply wells have increased total pumping. <br />Figure l 1 shows the locations of new high-capacity wells that have been put into service since 1990. <br />'The Metropolitan Council has not explicitly predicted future groundwater use in the seven-county <br />metropolitan area; however, Chey have predicted future water demand. Figure 12 is the Metropolitan <br />Council's estimate of water demand in 2004 and their projection for water demand in 2050. 'T'his <br />prediction does slot differentiate between groundwater use and surface-water use, <br />2000 Average Water Demand (MGD) <br />~ 001 -o.zo <br />~ 0.21 ..o.m <br />0.41 -O.BO <br />~~_~ 081-1.50 <br />.~.j 151 ..250 <br />® 2.51 - 5.00 <br />-500--10.00 <br />- 10.06-:0.00 ~ <br />- 20.00 - 75.00 . <br />h YB <br />~ Z~ <br />2050 Average Water Oemand (MGO) <br />~ ao1 -o.zo <br />~0.2o-6m <br />0.40-0.90 <br />0.90 - 7.50 <br />1 50 - 2.50 <br />® 2.50 •5.00 <br />- 5.00 - 10.00 <br />- 10.00 - 2C 00 . _ <br />20.00.84.00 t ~~ ~'~' <br />~ ++s.~~ <br />r`~ <br />ti <br />*~ - , <br />r;~ ,_ Ott ~: <br />9i <br />0 5 10 ~AMIe~ t S in VI!Afn <br />Figure 12 Metropolitan Council (2007b) Estimates for Water Demand in 2004 and 2050 <br />2.7 Groundwater Use in <br />the Elk River Area <br />Groundwater in the Elk River area is used <br />for municipal. water supplies (e.g., Elk <br />River Municipal Utilities, Ostego, <br />Albertville, Ramsey), irrigation <br />(especially sod-farm irrigation), aggregate <br />processing (mainly as wash water) and in <br />the Ramsey area, as part of the pump-out <br />system of a groundwater remediation <br />program. Locations of these groundwater <br />uses are shown on Figure 13. Of course, <br />a <br />~ <br />s~ <br />~ <br />,a ~ ~~z~~p, <br />~~ ° fit. , . ~r~ <br />.. <br />~~ <br />' <br />t, <br />~ <br />, <br />' iY 9 <br />~Y as <br />C <br />a <br />t <br />~ <br />~ -~ ~~k R~~ <br />a <br />~ <br />~ <br />• <br />L ~ aem a~ +i <br /> <br />~ ~ 6 . '~,.~ ~t~ tl w'i <br />~~ <br />:o a. <br />b ,,, ~,o~~a..,., <br />Tali . ~.o,~...~,,,~. ~.,,o. <br />. , a ,~..o~...,..,e <br />• a <br />9 <br />G.+f <br />a ®a • t ,~ <br />d o ~+ <br />°a® a , <br />a <br />ae • ae <br />n ¢m a o a ¢a <br />>~ <br />1 2 3 4 <br />• • ~~ o vo <br />a <d . ~ ~ . <br />S fl 9 <br />~ ~ as^d 1.'~?_ <br />a ! ~~ <br />,~ '_,~ <br />s~ 4 <br />7 4' <br />~ .~l ~~~T <br />~. <br />A <br />. ~ ~~ .I <br />~ I i <br />~ f St.. <br />r_,l~ , <br />` . -~,. , <br />t'~a get=.: <br />~sZ~ s ' ~!1~.~~_S <br />4 <br />Figure 13 Groundwater Use in the Elk River Area <br />P:\Mpls\23 MN\71\2371105 Water Supply Alternative Study\FinalDeliverables\Alternatives_Report_final.doc 20 <br />