2015-04-08_REPORT - C1994082

• Permit No: C1994082
• IBM Index Class Name: Report
• Doc Date: 4/8/2015
• From: DRMS
• To: Peabody Energy
• Annual Report Year: 2014
• Permit Index Doc Type: Hydrology Report
• Email Name: DIH
• Media Type: D
• Archive: No

(mg/1), total mercury (ug/1), dissolved
nitrate (mg/1), total ammonia (mg/1),
dissolved selenium (ug/1), dissolved
sulfate (mg/1), total sulfide (mg/1),
total suspended solids (mg/1), and
total dissolved solids (mg/1). All
required parameters were analyzed.
13. Filing frequency of
CDRMS regulation
Sediment ponds 010, 011, 011A, 012,
pond reports.
4.05.9(17)
012A, 013, 014, and 015 had
quarterly pond inspections conducted
within the appropriate quarters.
14. Timely filing of pond
CDRMS regulation
Quarterly pond inspections were
reports.
4.05.9(17)
submitted to and received by the
Division within an appropriate
timeframe.
15. Content of pond
CDRMS regulation
All of the required information was
reports.
4.05.9(15)
addressed on the quarterly sediment
pond inspections during the water
year of 2014.
16. Sampling frequency
Tab 15, Table 15 -8 of
Groundwater samples are collected
of groundwater
CDRMS mining permit
from YSAL1, YSAL3, YAAL14,
monitoring wells.
C- 1994 -082
YGAL16, YOV30, YW30, YWU30,
YWC33, and YWCU33 on an annual
basis.
17. Parameters to be
Tab 15, Table 15 -4 of
The parameters to be sampled are:
analyzed in
CDRMS mining permit
conductivity (umhos /cm), pH (units),
groundwater samples.
C- 1994 -082
temperature (C), dissolved iron
(mg/1), dissolved manganese
(mg/1),dissolved fluoride (mg/1),
dissolved nitrite (mg/1), dissolved
selenium (ug/1), dissolved sulfate
(mg/1), total suspended solids (mg/1),
and total dissolved solids (mg/1). All
required parameters were analyzed.
18. Basic Standards for
CWQCC regulation 41.4
The Yoast Mine did not generate a
Groundwater.
and 41.5
significant amount of leachates in the
water year of 2014. There were more
exceedances of the manganese
standard than the 2013 water year.
However, discussed in number 8
above, the soil type at the Yoast Mine
is not acidic. The EPA standard of 10
mg/1 would be more suitable than the
current standard of 0.2 mg/l.
19. Restoration of
CDRMS regulation
During the 2014 water year all water
groundwater recharge
4.05.12(3)
levels were within the historic ranges