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ENFORCE32206
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Entry Properties
Last modified
8/24/2016 7:43:20 PM
Creation date
11/21/2007 1:16:08 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1981038
IBM Index Class Name
Enforcement
Doc Date
11/18/1994
Doc Name
PN C-81-038 NOV C-94-032 1993 HYDROLOGY MONITORING
From
CYPRUS ORCHARD VALLEY
To
DMG
Violation No.
CV1994032
Media Type
D
Archive
No
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Mr. Kent Gorham <br />November 16, 1994 <br />Page 18 <br />flow magnitudes in the past. A sufficient hydrology database oonsisting of flow, <br />field parameter, aryl water quality information had been established far this <br />location prior to 1993 to define the pre-miairg hycirrology at this site. During <br />1993, no new mining activities with the potential of creating detectable impacts <br />occurred in the vicinity of this site. <br />Currently this spring is not required to be monitored further. Zhis spring has <br />been permanently c~icpo.v9rx3 frcmm the monitaring network. As om~ared to current <br />ranii reme7ltS, rn IDorrltarlrg omissions ooClIrred dtu~ing 1993; one additional flow <br />aryl field param~~~r visit ooaured in 1993. <br />Spring & Porri 7-1: <br />Spring & Pond 7-1 lies outside the area of any potential mining impacts. Advance <br />mining in the Closest nr.nrim;ty tp this site took place >r March 1985 <br />approximately 2500 feet distant fran the site. A sufficient hydrology database <br />consisting of flow, field naramahcr~ and water quality information had been <br />established for this location prior to 1993 to define the pre-mining hydrology at <br />this site. During 1993, no new mining activities with the potential of creating <br />detectable impacts oaarrred in the vicinity of this site. <br />Currently this spring is required to be mmutored quarterly far flows and field <br />parameters; annually far water quality. The current monitoring is mired only <br />as a result of this feat~u e's standing as an adjudicated water riot within the <br />permit area. No misye related impacts can reasonably be expected to occur at this <br />site given the mining completed to date. As compared to anz'ent requirements, <br />four monitoring wnissions occurred during 1993; three flow and field parameter <br />visits were not aoccnq~lished in 1993 and the required annual water quality sample <br />was omitted. ~nese anissions are tempFSed by this site's remote location with <br />respect to mining activities o®g~leted to date aryl the presence of the <br />established pre-mining database. <br />Spring 21: <br />Spring 21 overlies an area of the East Mine outside of the projected subsidence <br />zone given the extent of mining to date. Retreat mining in the nearest proximity <br />to this site oocasred in 1986 sane 2000 feet distant fry the site. A sufficient <br />hydrology database consisting of flow, water level, field parameter, aryl water <br />quality information had been established priar to 1993 to define the pre-mining <br />hydrology at this location. Duri.rg 1993, no new mining activities with the <br />potential of creating detectable impacts oociured in the vicinity of Spring 21. <br />C~rently this spring is not required to be monitored further until one year <br />prior to reinitiating development of the Fast Mine. As oatq~ared to current <br />requirements, no monitarirg omissions ooasred during 1993; one additional water <br />level, flow, and field parameter visit oocxsred in 1993. <br />Spring 7-9: <br />
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