1986-03-03_REPORT - C1981013 (2)

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was absorbed into the alluvium within 200 yards of the source contributing very little to surface flow. The seep is valuable for livestock and wildlife watering. Spring #18: Parras Canyon (Table 8). The Parras Canyon spring originates from the interface of shale and sandstone measuring from less than 1 to 8 gpm. During the August 1984 sampling, flow was measured at 50 gpm, however, localized thunderstorms were contributing to surface runoff in the upper reaches of the canyon. Conductivity and pH ranged from 420 to 588 and 5.9 to 8.4, respectively. Present use of the spring is livestock and wildlife watering while contributing little to overall surface flow. Spring #19: At Middle Fork of Purgatoire (Table 9). Flow originating from fractured shale and sandstone was measured at less than 1 to 4 gpm on five of the seven samplings. In all cases the flow was absorbed within 300 yards of the source. Conductivity ranged from 465 to 889 while pH ranged from 6.6 to 8.2. This seep is utilized for livestock and wildlife watering while contributing little to surface flow. Spring # : Santistevan Canyon Flume (Table 10). Quality and Quantity of three Santistevan Canyon springs were monitored collectively at the flume location placed in the lower canyon. Flows originating from fractured shales and sandstone were measured between 5 and 50 gpm. Quality ranged from 504 to 583 conductivity and 6.5 to 8.7 pH. Current use is livestock and wildlife watering and for aesthetics as the flow creates a stream running through the ranchette development in the canyon. These springs are a valuable contribution to surface flow making Santistevan Canyon a perennial stream. DISCUSSION With the exception of Santistevan Canyon, water encountered during the survey is the result of seepage contributing little if any to sustained surface flow. Water originates from the interfaces of shales, sandstones and minor coal seams not proposed to be mined by W FC. Analysis of the water indicates a mineralized condition with varying quality and quantity, responding directly to amounts of precipitation received in the drainage. Currently, uses of the water are for livestock and wildlife watering with no irrigation or domestic supply.