2010-12-15_PERMIT FILE - C1980005A (5)

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0 WATER RIGHTS Water rights are discussed in Tab 7 beginning on page 7-143. No water rights were identified in the Pond 008 basin at that time. In the Permit Application Package for the Peabody Sage Creek Mine (approved in 2010), water rights were again researched and discussed, beginning on page 2.04-99. No new water rights were identified in the Pond 008 basin in that document. Therefore, no further update of water rights is needed here. ALTERNATIVE WATER SUPPLY Alternative water supplies are discussed in the Tab 7 on pages 7-150 and 7-151. There are no water rights to affect in the Pond 008 basin. Furthermore, as this is a reclaimed mining area only, no water will be used in the new permit area. Therefore, no further update of alternative water supplies is needed here. MONITORING PLAN Due to the changes of the permit boundary, there will be a significant change to the Hydrology Monitoring Program. In regards to ground water monitoring, there will now be four monitoring wells in this revised program. Well GW-S41-W (computer id SW41) monitors the Wadge coal. Well GW-S41-LWI (SOV41) monitors the Lennox-Wadge interburden (ie, Wadge overburden). Well GW-S68-A (SBAL68) monitors the Bond Creek (008) alluvium. Well 008-AU-3 (SFAL72) monitors the Fish Creek alluvium. The following discussion refers to Tab 7 background information. This last well will be the ground water point of compliance, as approved in TR-47 and presented in the following Attachment 7-3. Monitoring frequencies for these four wells will be the same as provided above in Table 7-99 (beginning on page 7-341). The only exception to the information provided in this table will be the parameter list used. Rather than using the `ground water long list' provided in Table 7-100 (page 7- 343), the revised `new ground water long list' (provided below in Table 7-119 on pages 2.04.7-4 and 5) will be used. This is the revised parameter list approved in 2010 for Peabody Energy's adjacent Seneca II-W Mine (TR-69 approved May 2010) and Yoast Mine (TR-47 approved May 2010). In regards to surface water monitoring, there will be three stream sites, one spoil spring and one NPDES site. The stream and spring sites are: 1) SW-S2-11 (SSF11) which monitors upper Fish Creek, 2) SW-S2-12 (SSB12) which monitors lower Bond Creek, 3) SW-S2-13 (SSF13) which monitors lower Fish Creek and 4) Spoil Spring #9 (SSSPG9). The one NPDES site is NPDES 008. Monitoring frequencies for these five sites will be the same as provided above in Table 7-103 (beginning on page 7-349), with the following exceptions. Monitoring of the three stream sites will be conducted in June and July only, rather than May, June and July as presented in the table. Flow data from 1987 to 2009 indicates that the average flow value in May at lower Bond Creek, SSB12, is 0.80 cfs, while the average flow value in May on Fish Creek, SSF13, is 76.83 cfs. In other words, in May, Bond Creek contributes only one percent of the flow found in Fish Creek. Also, the PHC address impacts only in June and July. Also, rather than using the `surface water long list' provided in Table 7-104 (page 7-351) and the `surface water short list' provided in Table 7-105 (page 7-352), the revised `new surface water long list' (provided below in Table 7-120 on pages 2.04.7-6 and 7) will be used for the spring and stream PR-02 2.04.7-2 rev. 11/10