2011-12-06_REVISION - C1980001 (3)

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the impoundments inet applicable State and Federal water quality staridardsiRule 4.05 :9(13)(a)]. The intended uses `of'Water in the Moffat, Center Ridge, and West Ridge impoundments were recreation, fish and Wildlikhabit4 and 'consumption by livestock. Water quality standards for livestock, then, would apply. Samples ' of water 'from the three "ponds were analyzed and determined to for consumption by livestock. b. The level of water was sufficiently stable and the configuration 'of the' ponds" to support the intended use [Rule 4.05.9(13)(b)]. • The'Division'"s inspectio ns found over several years that Water was present year -round in all three ponds. The Moffat and West Ridge ponds discharge in response to 'rainfall, spoil springs; and spring runoff. Discharge from the Center Ridge pond is `generally perennial, except in extremely dry years. 'Adequate'safety and' access to' impounded water was provided to theproposed water users [Rule 4.05.9(13)(c)]. Permanent retention of the Moffat, = Center Ridge, and West Ridge ponds would not result in' the diminution of the quality or' quantity of the Water' available to water rights holders for agricultural, industrial,' recreational, or domestic water uses [Rule 4.05.9(13)(d)]. The ponds discharge to Trout Creek via unnamed tributaries ? There'are no' industrial, recreational, or domestic uses of water between the pond outfalls and Trout Creek: There are agricultural (livestock) uses of the -unnamed tributaries: Continued monitoring in accordance `' with theappr water- monitoring plan and CDPS permit -Would verifytthat therewbuld be tio diminution of water quality to those water right holders. C1980 -001 Edna Mine Permit Renewal No. 6 2 Monitoring of Trout Creek downstream of all three pond outfalls, since 1981, has supported the prediction that no diminution in quality to water rights holders for domestic, agricultural, industrial, or recreational use is expected. Chevron has obtained replacement water rights for those users in the event that water quality is diminished.