1991-12-08_REVISION - C1981017

• Permit No: C1981017
• IBM Index Class Name: REVISION
• Doc Date: 12/8/1991
• Doc Name: Multiple Documents
• Type & Sequence: TR20
• Media Type: D
• Archive: No

foundations. Mid-Continent has constructed a berm around the
outside perimeter to contain sediment.
REGULATORY REQUIREMENTS)
The regulations applicable to small area exemptions provide the
following:
4.05.2(3)
(a) The person who conducts the surface or underground
mining activities demonstrates that sedimentation
ponds and treatment facilities are not necessary
for the drainage to meet the effluent limitations
of 4.05.2 and the applicable State and Federal
water quality requirements for downstream receiving
waters; and
(b) (i) For drainage from areas affected by surface coal
mining operations, an exemption may be authorized
only if the disturbed surface drainage area within
the total disturbed surface area is small and there
is no mixture of surface drainage with a discharge
from underground mining workings;
All areas included in this request are small, of less than 1 acre,
and there is no mixture of surface runoff with discharge from
underground mine workings.
Effluent 1 imits.
Discharge to waters of the state of Colorado is regulated through
the Colorado Discharge Elimination System (CDES) , a state program
which implements the provisions of the Colorado Water Quality
Control Act, §25-8-5pi, C.R.S. 1973 , and the Federal Clean Water
Act and regulations promulgated thereunder.
Applicable regulations promulgated by the Water Quality Control
Commission (6.1.0 REGULATIONS FOR THE STATE DISCHARGE PERMIT
SYSTEM) provide, in part:
6.2 .0 SCOPE AND PURPOSE
(2) These regulations apply to all operations
discharging to waters of the State from a
point source.
6. 3 .0 DEFINITIONS
(17) "EFFLUENT LIMITATION" means any restriction or
4