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-31- subsidence. CWI has timed the sequence of mining to intentionally mine areas over the next five years that do not contain significant and critical water resources. This practice will allow CWI to mine, while at the same time enable the collection of hydrologic and subsidence monitoring data. Such data can then be used in later permit terms when significant water resources are in question. Should damage to arty pipeline, spring, pond, etc. be identified as the result of mining, CWI will repair the damage in accordance with their "subsidence Repair Handbook". This handbook, incorporated into Volume 3 of the application, contains detailed procedures that will be implemented to repair water resources and structures should they be impacted. A general water replacement plan has been prepared by CWI to augment water to water users while ary mine related damage is being repaired. CWI has demonstrated water is available and can be transported to affected water users if damage occurs. Their water rights consist of both springs and ditch water that could supply a variety of users. Impacts on water users will not be all at once. Rather, impact will progress slowly over areas as coal is mined. CWI also proposes to reduce leaks and seeps on sane ditches and to change the point of diversion of the Overland Ditch from East Roatcap Creek to West Roatcap Creek to further protect the rights of present water users. To protect stock and wildlife, CWI has committed to maintaining a designated number of stock ponds on the permit area which will be protected from damage. • When CWI mines under Steven's and East Roatcap Creek, water may be encountered even if there is no subsidence. Faults and fractures may be encountered underground that are in communication with the stream and its associated alluvial/colluvial deposits, Dewatering of these faults and fractures could diminish streamflow and the alluvium/colluvium when water is present. The limited depletions are not predicted to be significant enough to cause a major change in stream characteristics or impact the hydrologic balance. The only concern with diminishment of Steven's Gulch or East Roatcap Creek stream flow would be to water users within those drainages. CWI has responded to this concern in their water replacement plan. The Division's findings on this issue are included in the Water Rights and Replacement discussion in Section YII of this document. Based on data from other mines in the valley the Division would anticipate stream related inflows to be only a few hundred gallons per minute at worst case during certain times of the year when the streams are flowing. Following a detailed investigation and analysis. the operator has predicted that worst case inflows from East Roatcap Creek would be 5,2 gpm and inflows from Steven's Gulch would be 5.7 gpm, These would increase to 33.5 gpm for the life of mine. Inflows below East Roatcap Creek have averaged less than 1 gpm. A mitigation plan was presented by CWI that will replace arty water lost by mining. The hydrologic consequences of the mine are expected to be minimal. The applicant reports that no degradation of water quality in surface streams is • expected. Ary effluent will be treated as necessary to meet quality standards prior to discharge. Although mine inflows are currently small. if inflows are encountered the application contains a plan fora collection and treatment prior to discharge.