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GENERAL51278
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Last modified
8/24/2016 8:37:35 PM
Creation date
11/23/2007 6:39:59 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1994117
IBM Index Class Name
General Documents
Doc Date
11/15/1995
From
COMMITTEE ON MINING AND THE ENVIRONMENT
To
DMG
Media Type
D
Archive
No
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.. <br />DISCUSSION <br />Overall, the previous Operator pattern of partial, tardy compliance with requirements appears <br />to be still intact. Of primary concern is the fact that, as of this date, available pond freeboard is <br />minimal, and the margin between the water level at the top of the decant standpipe and the level at first <br />water contact with soil at the dam face is nil to negative. <br />We are gratified, of course, to see the removal of junk from the millsite and the rehabilitation <br />of the diversion ditches, site berming, and storm-water ponding. But this does nothing to relieve our <br />major concern, that of a repetition of the illegal discharge of process water and entrained tailings solids <br />to Cash Gulch that occurred this Spring. We fully share Division Staffs concerns regarding overall <br />site water balance - we raised those concerns quite some time ago as you know, and we are deeply <br />distressed to see how the available constructionlrepair time has been squandered. Weather here is <br />deteriorating rapidly with the onset of winter. Temperatures are falling, together with achievable <br />evaporation rates. Significant snowfall could occur at any time, making further work on the pond liner <br />far more difficult (and expensive), thus encouraging yet further delays. <br />In sum, we are rapidly being forced into a position where we must choose between direct pond <br />water contact with a raised dam crest of unknown and questionable integrity and unpermitted discharge <br />of Hazel-A effluent to Cash Gulch. <br />It is worth noting the following: <br />o On February 28, 1995, a Notice of Violation and Cease and Desist Order was issued <br />by the Board which stated, at Item 1, "Cease and Desist on the use of the mill and <br />tailings impoundment unfit a properly engineered plan is submitted to the Division in <br />the form of a new permit application which solves the problems of a lack of sate <br />freeboard in the impoundment, the instability of the currently deposited tailings near the <br />embankment, and the cleanup of the tailings in the building." (Emphasis added.) <br />o The DMG Staff Inspection Report dated June 7, 1995 stated in part, "... (T)he Division <br />will not approve the new Gold Hill Mill application ... until a viable water management <br />plan is reviewed and approved. ... (Alll flaws in the liner must be repaired by July I <br />1995•„ (Emphasis added.) <br />o The DMG response letter to COME dated June 9, 1995 states at item 6, "... It is the <br />Division's view that the water behind the Hazel-A bulkhead is process water .... It is <br />the Division's intention to require permit conditions that will assure that the Gold Hill <br />Mill is a zero-discharge facility, or that any process water releases are properly <br />permitted." And, at item 8, "...(Alll but de minimis amounts of tailings would have <br />to be cleaned out of the Hazel-A adit and returned to the pond ... as an ongoing <br />maintenance task." (Emphasis added.) <br />
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