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-19- VIII. Water Rights and Replacement - Rules 2.04.7(3), 2.05.6(3)(a)(ii) 2.07,6(2)(c) and 9.05,15 The applicant has provided information on water rights in the vicinity of the mine site in Section 2.09.7(I), (pg. 87) and information regarding alternative water supply and consumptive use requirements beginning in Section 2.05.6 (pg, 233) of the permit application. The only potential for damage to any existing water right pertains to the Suppa well at the west end of the permit area. The applicant has sufficient resources to augment any damages to this right and the source will be monitored to determine any changes in water quantity or quality which may result from the operation. Appropriate materials were provided to the Office of the State Engineer, Colorado Division of Water Resources, for an opinion on potential damage to existing water rights. The State Engineer's office has no objections to the proposed decision, but has recormnended the addition of a stipulation to the permit. The recommendation regards two wells, numbers 022321F~and 022320F, the rights to which have recently been accuired by the applicant. Pursuant to the Rules and Regulations of the Arkansas River and its tributaries (reference Water Division 2 Court Case W-470), the applicant is allowed to pump water from each well for a period not to exceed 72 hours per week. The following stipulation is, therefore, necessary: Stipulation No. 4: WITHIN 30 DAYS OF PERMIT ISSUANCE, THE PER1~f7TTEE MUST SERVE NOTICE TO THE COLORADO WATER RESOURCES DIVISION 2 OFFICE IN PUEBLO STATING THAT THEY WILL ONLY PUMP EACH WELL A FtAXIMUM OF 72 HOURS DURING RNY ONE WEEK PERIOD. With the acceptance of the above stipulation, the operation is in compliance with the requirements of this section. IX, Probable Hydrologic Consequences and Cumulative Impacts Assessment - Rules 2.05.6(3) and 2.07.6(2)(c) Probable Hydrologic Consequences The applicant has provided a statement of probable hydrologic consequences for the operation in Section 2.05.6 (beginning on pg. 238) of the permit application. The operation could impact the hydrologic system through 1) impacts on surface water quality and quantity resulting from surface disturbances and mine water discharge, 2) impacts on ground water quality through mine water inflows, and 3) impacts on ground water quality through infiltration of surface water through exposed unweathered material. In all three cases, the Division has determined that the probable hydrologic con- sequences will be minimal. 1,/ F j .1 ~ '! ~~ ~/~ z a~~.~ 4.