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-6- 3. The application does not adequately describe and identify areas of recharge and discharge of the aquifers. This should be discussed as well as identified on a map. The application should discuss vrhich aquifers are being recharged by (diddle and North Thompson Creek and vrhich are :got. To the extent possible, the applicant should attempt to quantitatively determine hour much recharge normally occurs from Thompson Creek as yell as ho~v much is expected to occur during and after the maximum extent of underground mining has occurred. 4. The application should discuss and identify the direction of ground water movement in and adjacent to the mined out areas as ~aell as a general description of regional ground vrater movement. (Structural contour maps, cross sections and ground vrater levels can assist in this determination). 5. The Division requires a minimum of one year data on around water quantity and quality. 4later levels must be reported mor~thly and vrater quality should be reported quarterly. The applicant must commit to reporting this information to the Division. 6. The application should address the affects of inundation of any old mine workings. Hydrology Description - Surface Section 2.04.7(2) - page 44-53 1. The application does not contain enough baseline information to satisfy the requirements of this section. The application must include hydrologic baseline data on all streams in or adjacent to the mine area including streams in watersheds containing surface facilities and watersheds being undermined. 2. Surface water information must include both flow and crater quality data in sufficient detail to identify minimum, maximum, average flows, lour flours, peak flows and the seasonal variations in vrater quality. The required parameters are attached at the end of this letter. Normally this would require at least a years worth of data, the only alternative to satisfy this requirement is outlined in section 2.04.5(3). 3. Stream flow and vrater quality baseline data must be submitted for Fliddle Thompson Creek since P1ine No. 1 will be developed within the Ptiddle Thompson Creek vratershed. 4. Table 3.6.1-5-North Thompson Creek l•later Quality, does not identify all water quality parameters required by the Division. Please consult the Division's list of parameters. 5. hater quality data in appendix 5-G does contain the required vrater quality parameters but it does not indicate the measured flow at the time the samples were taken. It also should indicate the date the samples were taken and identify vrho took the samples. This type of baseline information is needed for one year's flow period to allow the Division to assess vrater quality seasonal variation.