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July 1993 -28- 923-2515 • <br />level of 1.0 mmhos/cm (CMLRD 1988). The sodium adsorption ratio (SAR) of 2.8 is <br />acceptable. Boron (0.18 m,g/1) is within acceptable limits. Chloride, (19.2 mgll) is well below <br />the suspect level of 250 m.g/1. With a pH of 8.1 there is no adverse impact for aluminum, <br />manganese, nickel, and zin~~, as discussed eazlier. The values for arsenic, cadmium, copper, <br />lead, molybdenum, and self:nium are below suspect levels. <br />Depth to ground water is reported in Table 5.22 for station YAAL14 for the upper Armand <br />Draw azea. The depth to ground water ranged from 6.17 to 15.82 feet over the monitoring <br />period which extended from October 26, 1990 to August 19, 1992. <br />5.3.2 Water Rights. Irrigation Ditches. and Diversion Points <br />Historical water rights data (Tipton and Kalmbach 1989) indicate that there were two irrigation • <br />ditches in Armand Draw (Ditch No. 1 and No. 2) (Table 5.17). However, a field reconnaissance <br />of Armand Draw failed to locate any evidence of past irrigation ditches and the water right for <br />these ditches is now inactive. There are no existing water rights on Armand Draw. <br />5.3.3 Existing Flood Irrigation Areas <br />There are no flood irrigated fields along Armand Draw. <br />5.3.4 Subirrigated Areas <br />Subirrigated wetlands occur along Armand Draw as a continuous band. <br />• <br />Golder Associates <br />