2021-01-14_REVISION - M1977300 ‎(3)‎

• Permit No: M1977300
• IBM Index Class Name: REVISION
• Doc Date: 1/14/2021
• Doc Name: Adequacy Review Response #3
• From: Colorado Legacy Land
• To: DRMS
• Email Name: AME
• Media Type: D
• Archive: No

COLORADO LEGACY LAND
$CHWARTZWALDER MINE
TABLE E-3.GROUNDWATER SAMPLE LOCH ,
Ground
Surface Casing Total Well Screened
Location ID Installation Easting Northing Elevation Elevation Depth Construction Interval
/Sample ID Date (feet)' (feet)' (ft amsl) (ft amsl) (ft bgs) Details (ft bgs) Notes
Discontinued
sampling per TR 27.
Discontinued
individual sump
sampling per TR 27.
Maximum pumping
rate=100 gpm.
Master Sump 10/08/2010 3,062,377.871 1,732,392.198 Unknown Unknown 6.0 N/A N/A Collected from
(Sump 1) spigot inside of
water treatment
plant,see Location
ID/Sample ID=
Sumps.
Discontinued
individual sump
Sump 4 10/08/2010 3,061,679.409 1,732,948.564 Unknown Unknown 15.0 N/A N/A sampling per TR 27.
Maximum pumping
rate=200 gpm
Discontinued
individual sump
48-in steel,1-in by 6-in slot sampling per TR 27.
11/05/2010 screen from 10.0-14.0 ft bgs Usually dry.Original
Sump 5 and 3,062,033.09 1,732,689.089 6,666.03 Unknown 17.5 10.625-in stainless steel wire construction was
09/23/11 wrap,0.035-in slot,from 7.5- completed in 2011
17.5 ft bgs to 14 ft bgs. Sump
was deepened to
17.5 ft bgs in 2012.
11/11/2010 48-iDiscontinued
screen and 3,062,576.581 1,732,300.82 6,542.24 Unknown 18.0 cren steel,1 in by en from 10.0 140. individual sump
Sump 8 12/21/2011 slot ft bgs p
samplinger TR 27.
JANUARY 2021 27 AMENDMENT 5