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was expected to form a pond. The pond would trap sediments carried in the flow(s) until <br />full, at which time flow in Red Wash would likely resume flowing in a relatively narrow active <br />channel. <br />The conclusions noted above were further confirmed during 1989. On July 29, 1989 a large <br />flow event occurred in Red Wash. The subsidence trough over LW -2 filled with water. The <br />trough over LW -1 also filled, but to a lesser depth as it had filled with sediment in the past. <br />Water level measurements were taken in the monitoring holes while standing water <br />surrounded them. Readings had been taken only 18 days before. Even though the holes <br />were surrounded by standing water (approximately 3 and 4 feet deep at RW -7 and RW -9 <br />respectively) the alluvial water depths had still decreased. <br />Although the purpose of the monitoring program was met, BME continued to monitor the <br />Red Wash alluvial holes until water year 1996-1997. The latest monitoring results are <br />reported in Appendix F and hydrographs for each monitoring hole are presented in <br />Appendix G of the Thirteenth Annual Hydrology Report. <br />12 <br />