Amended Work Plan Kiowa Creek Watershed

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-4-- samples taken during flooding and /or from a profile survey and re- survey of stream cross - sections to be permanently monumented and precisely measured as to elevation. f. Ground water changes from an analysis of well observations and yield data along the flood plain. The four recording rain gages have been installed, one in each of the three main watershed divisions (see map), and one close to the work unit headquarters in Kiowa. They are to be inspected, maintained, - and operated by the U. S. Weather Bureau with assistance from SCS personnel and District co- operators. The standard gages are located throughout the project area with District co- operators as observers and are to be inspected and main- tained by the Weather Bureau. & stream gaging station has been installed by the U. S. Geological Survey above Elbert on East Kiowa Creek and another above the town of Kiowa on the main channel of Kiowa Creek. Maintenance and operation of these gages will be by USGS with SCS assisting as needed. Total sediment load will be measured by USGS at or near these two gaging sites with equipment, services, operation, and maintenance being furnished by USGS in fiscal years 1956, 1957, and 1958 in accord with agreement between SCS and USGS. Five detention structures have been selected to measure sedimentation and volume of flood flows. Water stage recorders are being installed by USGS in each of these reservoirs. USGS will operate these in fiscal 1956, 1957, and 1958. Crest gages are to be installed in the channels a short distance above and below each of these detention structures and two crest gages are planned at other points in stream channels where a record of peak flows is desired. The SCS will inspect and reset each crest gage after each storm that might be gaged. A permanent record of these peak flows will be kept at the SCS office in Kiowa. The site of the five selected detention reservoirs will be surveyed and depth - capacity tables prepared. For each of these reservoirs a resurvey and a corrected depth- capacity table will be made by the SCS after each large measured run of floodwater into the reservoir. If no major floods occur then at least once every five years resurveys extending upstream far enough to measure deposits above spillway level will be made of the selected reservoirs. The successive resurveys and capacity tables will be compared to determine how much sediment is being produced and the nature of sediment rate Permanent photograph stations will be marked throughout the watershed so that "before" and "after" pictures can be taken to show program progress and visual effects of "A" and "B" measures. Copies of all the hydrologic and sedimentation data, including gage readings, calculations, and conclusions will be accumulated in the work unit office at Kiowa and permanently filed at the Area office.