NC0003425_Application (Ash Basin flow outfall 003)_20161201

Roxboro Steam Electric Plant Post ash basin flow outfall 003
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Plant Process
Streams
A I Water Treatment
—� Systems
Plant Drainage
System
Drains from oil
filled
equipment
containment
Treatment
(Oil/Water
Separator)
Metal cleaning
Outfall 009
(internal)
Low Volume
Collection Sump
Generation TO Atmosphere
Unit 4 Cooling Unit # 4 Tower D
B ' Unit 3 Cooling
— Water'
1 Alternative modes I G
C I Unit 1 & 2
Cooling Water
Outfall 005 (internal)
.....................................................................................
F Maintenance Drain
�
Unit 3 Cooling To Atmosphere
Tower
E
Landfill Stormwater
(redirected from
ash basin)
East ash basin closure flows (Interstitial
water , treated extracted groundwater and
stormwater). Temporary flow stream
Up to 1.5 MGD
Stormwater from
Gypsum Storage Pile Area
Plant Power block Stormwater
T Outfall012a
Treatment basin
or similar
Physical/Chemical treatment
H
Outfall 008 (internal)
Domestic Sewage
Waste Treatment Plant
NH3 Vapor
Suppression
(Emergency)
o Option
.............................................
[Leachate
sh Landfill
See #
to right K
Heated Water
Discharge Canal
rnal) Effluent Channel
or
f T
AOWs From lined
and
seeps retention bas
above
............ >..........
:
H yco
Reservoir
P
Emergency
Overflow Flue Gas
FDesulfurization
Lined Outfall011 (internal)
Retention P/C, R FGD
basin Blowdown
Ultra OR
filtration zOR
East West
Stormwater see settling settling
Below pond pond
Silo # Unit 3 Cooling
Wash Water H Tower Basin C
Outfall002 internal L
IL Outfall010
Ash basin closure flows O
M Hyco
IOutfall 003
S Outfall 012b (internal)
Reservoir
Bioreactor
Flush
pond
;
Ei0
Lu
poration
Form 2C — Item II A Flows,
Sources of Pollution, and
Treatment Technologies
Outfall 003 December 2016

Roxboro Steam Plant Outfall 006
Raw water
tank drainage
Stormwater (maintenance)
Outfall 006
Coal Pile Runoff Treatment Basin N
Limestone pile runoff Absorber seal
Leakage (rare)
Emergency Gypsum I Truck wheel wash
stack
Hyco Reservoir
Form 2C — Item II A Flows,
Sources of Pollution, and
Treatment Technologies
Outfall 006 December 2016

Roxboro Steam Plant Outfall 001
Stormwater
through remnant
of east ash basin
AOW's and
seepage
Incidental
Gypsum and rail
runoff
Outfall 001
9
Hyco Reservoir Plant Intake Canal
Form 2C — Item II A Flows,
Sources of Pollution, and
Treatment Technologies
Outfall 001 December 2016