Laserfiche WebLink
May 10,2022 C-1981-019/Colowyo Coal Mine ZTT <br /> Ditch,Taylor Tributary Ditch,East Taylor Ditch and Buckskin Ditch.The Buckskin ditch has only a portion <br /> constructed at the moment and is located in the eastern portion of the West Pit.The entirety of Taylor Ditch and <br /> East Taylor Ditch were inspected. The Taylor Ditch is lined with rip rap for its entirety and no issues were <br /> observed.The East Taylor Ditch is mostly lined with rip rap with a portion that is a vegetated channel just above <br /> stock tank ETD1. ETD1 has received maintenance in 2021 which added an additional discharge point with rip rap. <br /> No issues were observed the ditch or associated stock tank. The Taylor Tributary Ditch was inspected from below <br /> along the Taylor Tributary Ditch. The entire reach of the Taylor Trib. can be inspected and no issues were <br /> observed. <br /> The West Pit Pond and East Taylor Pond are associated with the West Pit and were inspected.The West Pit Pond <br /> was dry and the East Taylor Pond held water and was discharging at the time of the inspection.Most of the water <br /> received from the East Taylor Pond comes from a seep located just above the pond. The seep has been intercepted <br /> by a french drain which diverts the water to a flume where flow can be measured.No issues were observed. <br /> i ; <br /> I <br /> Taylor Ditch and stock tank TD2. Seep flume and East Taylor Pond. <br /> South Taylor Pit: <br /> Four ditches associated with the South Taylor Pit were inspected. This included West Taylor-East West Trib. <br /> Ditch,West Taylor-East Trib. Ditch, Section 28 Ditch and Section 29 Ditch.Both West Taylor Trib. Ditches are <br /> partially constructed and only accept drainages from the West Taylor Fill currently. The ditches are heavily <br /> armored with rip rap with no issues.Both Section 28 and 29 Ditches recieve runoff from disturbance associated <br /> with the crest of the southern highwall of the South Taylor Pit. The Section 28 ditch was walked along its entire <br /> length until it drops off into native drainages.All ditches inspected associated with the South Taylor Pit were <br /> stable with no issues. <br /> The West Taylor Pond located below the West Taylor Fill held water at the time of the inspection. The majority of <br /> the water received at the West Taylor Pond comes from water intercepted by the underdrain of the fill.The pond <br /> embankment was well vegetated and stable. Section 16 Pond was also inspected and receives runoff from portions <br /> of the eastern disturbance associated with the South Taylor Pit. The pond held no water and no issues with the <br /> Number of Partial Inspection this Fiscal Year: 8 <br /> Number of Complete Inspections this Fiscal Year: 4 <br /> Page 5 of 11 <br />