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4.0 PLAN FOR AUGlSENTATION <br />r <br />PCC is required by the State to conduct its mining <br />operations so as to not cause impact to any existing water <br />rights, and to have rights for all water that it <br />consumptively uses. Five ponds were constructed and are <br />currently in operation in the vicinity of the NUCLA mining <br />area. A sixth pond (Pond 007) will be constructed and <br />operated in conjunction with the NUCLA EAST mining area. <br />Water from the ponds will provide the water supply for dust <br />suppression and construction compaction make-up water. Pond <br />operation may result in out-of=priority storage and use of <br />this water. <br />The NUCLA EAST pit will be excavated in accordance with <br />PCC's mine plan as described in the permit application. The <br />pit excavation will extend below the water table in the <br />overburden aquifer. Pit inflows will cause a drawdown of the <br />adjacent shallow water table which may impact surface-water <br />rights that depend on the shallow overburden aquifer for <br />their supply. <br />Section 4.1 presents an overview of the augmentation <br />plan to mitigate potential impacts to water rights affected <br />by the above facilities and mining operations. Section 4.2 <br />provides additional details about the augmentation water <br />,.~. <br />18 <br />GEOZRANS, lNC. <br />