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5.4 Future Water Supply <br />With development expected to occur between now and 2030, additional water supply will be needed to <br />sustain growth of the water system and maintain adequate firm capacity. The trigger chart shown in <br />Figure A5 was used to determine the future needs of the six -city area. By 2030 it is estimated that the <br />joint utility would require an additional 2,000 gpm (2.9 mgd) of well pumping capacity. This relates to <br />two (2) new 1,000 gpm wells. After Lino Lakes Well No. 6 is online, the joint utility would only need <br />one (1) additional well at 1,000 gpm. Please note that these new wells are not shown in Figure A6, <br />Joint System 2030 Watermain—particular well sites are not identified in this report, only the number <br />and comparative cost of the future wells. Figure 5.5 shows the required and existing well capacities for <br />joint and individual development. The reduced need for additional wells is one of the most significant <br />benefits of a joint system. With the increase in new efficient plumbing fixtures and rising awareness of <br />conservation, per capita demand has been steadily declining in recent years. If this trend continues It is <br />possible that no new wells would be needed between now and 2030. <br />40 <br />35 <br />2013 Required Well Capacity <br />30 <br />2030 Required Well Capacity <br />•, 25 <br />Q <br />is <br />20 <br />EL <br />3 15 <br />2013 Eid.nng Well ap.atr <br />10 <br />5 <br />0 <br />Joint System Individual Development <br />Figure 5.5 Existing and future well capacity requirements for joint and individual development <br />5.5 Well Contamination <br />No serious contaminants have been detected in any of the wells to date. However, this may change as <br />new land is developed in the future. A large area such as the area represented by the Joint Utility offers <br />a significant advantage in diversifying supply in areas unlikely to be contaminated. In addition to this, <br />Joint Water Utility Feasibility Study 20 <br />