Laserfiche WebLink
W MINING, LLC <br /> <br />FOURTH QUARTER 2008 POND INSPECTION REPORT <br />Pond Inspection Date: December 30, 2008 <br />Miscellaneous Comments: <br />1. The SWMP control devices were inspected and all SWMP control devices were found to be in fair <br />condition. Performed further routine SWMP maintenance during the quarter on Elk Creek mine and <br />facility roads. Sumps in front of straw bales were cleaned, etc. <br />2. Outfall 011 - Outfall 011 formerly served as a mine water pond for the Sanborn Creek Mine. The <br />pond does not collect surface drainage. With closure of the Sanborn Creek Mine, the incised pond <br />associated with Outfall 011 serves no further hydrologic function. The pond currently provides an <br />ongoing location to place ditch cleaning materials from adjacent ditches. Outfall 011 has been removed <br />from CDPS Discharge Permit CO-0000132. <br />3. Sediment and Water Level Determination - When sediment enters a pond, it is deposited unevenly, <br />usually collecting at the inlets rather than evenly across the bottom of the rr-r . Rencrted sediment levels <br />are based upon the inspector's observations made throughout the quarter i?- ag ro,?-Aiie inspections in <br />combination with knowledge of the pond structure. The reported pond A ier level is also determined by <br />observations relative to the various landmarks in the pond (depth to bottom, primary riser, etc.) <br />Notwithstanding comments above, ponds have been maintained as designed and in accordance with the <br />approved plan. <br />Inspected By: <br />Under Direction of. <br />"- K , I <br />James A. Kiger <br />??p0 F? E G js? <br />O ..a?•.,o?olF <br />Colorado <br />No. 34286 <br /> <br />SONAR c <br />3737 Hwy 133 • P.O. Box 535 • Somerset, Colorado 81434 USA <br />TEL (970) 929-5122 • 4FAX (970) 929-5177