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<br />'f, <br /> <br />J. <br /> <br />C0252u <br />1996 Report to the Rio Grande Compact Commission <br /> <br />Bureau of Reclamation <br /> <br />poor well production. The contractor completed field work and recommendations for <br />rehabilitation treatment and preventive maintenance measures are expected soon, <br /> <br />The channel from San Luis Lake through the forebay of the San Luis Lake Pumping. <br />Plant was cleaned of sand and debris. Material between the lake and trashrack was <br />removed with a trackhoe, but a more thorough cleaning is needed. Work on this <br />section of the channel will resume when a long-reach trackhoe becomes available. <br />Sand deposits were eliminated from the area between the trashrack and the traveling <br />screen assembly by means of a 4-inch trash pump. In addition, the traveling screen <br />assembly was inspected and minor repairs were made, including removal and <br />inspection of the backwash pump, replacement of corroded pipe, and repair and <br />adjustment of flush nozzles. The conveyor screen and screen slides of the mechanism <br />used to remove weeds from the immediate area of the traveling screen were replaced. <br />Removal of the traveling screen unit for replacement of the corrosion protection <br />coating and overhaul of all mechanical components is scheduled for Fiscal Year 1999, <br /> <br /> <br />Water Quality <br /> <br />Water quality monitoring of project wells, the Rio Grande, Parshall Flume, Feeder <br />Canal, Head Lake, and San Luis Lake continued in 1996. During the spring, summer, <br />and fall months, water quality was monitored at Big Spring Creek Flume and in early <br />spring at San Luis Lake Flume. <br /> <br />The Water Quality Laboratory participated in the U.S. Geological Survey's Evaluation <br />Program for Standard Reference Water Samples. Two sets of samples were <br />distributed, one in May and the other in September. Results are rc;lted on a scale of 0 <br />to 4, 0 being the poor and 4 being excellent. The ratings were 3.5 for May and 3.4 <br />for September, <br /> <br />All historical water quality data has been entered into a computer database using <br />Microsoft Access. Current data is entered as results are obtained. The database has <br />facilitated data retrieval. <br /> <br />Rio Grande Water Conservation District <br /> <br />The Rio Grande Water Conservation District continues to perform civil maintenance on <br />the project. Work included maintenance of canal berms and lateral access roads, <br />mowing of canal berms and rights-of-way, removal of aquatic weeds from structures <br />when necessary, repair of fences, mounding of pit run material around observation <br />wells to provide safer access for maintenance purposes, and assisting Reclamation <br /> <br />6 <br />