The URL can be used to link to this page

Home My WebLink AboutNC0004308_Site Visit_19990107NPDES DOCUWENT SCANNING COVER SHEET NPDES Permit: NC0004308 ALCOA — Badin Works Document Type: Permit Issuance Wasteload Allocation Authorization to Construct (AtC) Permit Modification Complete File - Historical ' Site Visit ` Instream Assessment (67b) Environmental Assessment (EA) Permit History Document Date: January 7, 1999 This document is printed on reuise paper - ignore any content on the rawer -me aide State of North Carolina Department of Environment, Health and Natural Resources Division of Environmental Management James B. Hunt, Jr., Governor Jonathan B. Howes, Secretary A. Preston Howard, Jr., P.E., Director l7 Aimgto-9- ,t; Mitnef,A /q, 2 ��y71 haoxi.q 6Lt&ItAiov he/ (14 fit)-0 (/211). //11) //y.AKI/ oal,1 21x/Q t(,),04 ✓7 Ple-Chet Adt! /44. et)/ Z% `r8 x 2,r (1(a) ai'i eft .t 9t dad -> P.O. Box 29535, Raleigh, North Carolina 27626-0535 Telephone 919-733-7015 FAX 919-733-2496 An Equal Opportunity Affirmative Action Employer 50% recycled/ 10% post -consumer paper YADKIN, INC NPDES PERMIT RENEWAL ITEM(S) OF INTEREST MONITORING REQUIREMENTS - NECESSITY OF MONITORING TEMPERATURE AND pH REPORTING REQUIREMENTS - DMR REQUIRED OR DATA KEPT ON FILE OUTFALL ALCOA - BADIN WORKS NPDES PERMIT RENEWAL ITEM(S) OF INTEREST 002 - SHUTDOWN OF BOILER 004 - STORMWATER ONLY STATUS - STRIPPING PRESS COOLING WATER MOVED TO OUTFALL 002 134 COMPRESSOR COOLING TOWERS TO SANITARY — 41./1✓ ,P�_ ,0 �-L4 - BASIS FOR CONTINUED TEMPERATURE STREAM MONITORING IN LITTLE MOUNTAIN CREEK 005 - RE-EVALUATION Of 90% CTJJOXLDILUTION RATIO BASED ON RECENT FLOW REDUCTIONS AT OUTFALL AND 7Q10 DATA (a . 70c ()ally )12-e teed � � - BASIS FOR CONTINUED MONITORING OF OIL & GREASE ij- 1/tivw.! r-.4/,Y,',�fidji/"f��1 All ff�jr,/ A /if c;01740,1. #f (tea T/ 011 c� / Vf / - BASIS FOR CONTINUED MONITORING OF EVERY STORM BASED ON 7 YEARS OF DATA 012 - BASIS FOR CONTINUED ALUMINUM MONITORING BASED ON 3 YEARS OF DATA -7 Iltd; L . ern 9y 14/14 - PERMIT LIMITS BASED ON FREE CYANIDE RATHER THAN TOTAL CYANIDE=?,,/J• KE:a 449 0 d £ /(CYA,.ar 1 - BASIS FOR CONTINUED MONITORING OF OIL & GREASE , ' , 54 ,,,I, ft, 4-- / qq4 013 - DETERMINATION OF STORMWATER ONLY BASED ON 3 YEARS OF DATA AND COMPLETED REMEDIAL ACTIVITIES 014 61 - OUTFALL 014 DISCONTINUED,- RECIRCULATING COOLING WATER SYSTEM INSTALLED IN 1998 FOR PARTICLE _ 015/020 COMBINE THESE OUTFALLS'UN ER REPRESENTATI E OUTFALL STATUS. ONTINUE TO SAMPLE OUTFALL 020 415 t el Ay - - -4, ..z i -"OA' ' 0- < / .,% r, ti BADIN LANDFILL - COMBINE TWO STORM WATER G ALLS U DER REP}• ENTA�TIVE STATUS ._.. of,— , • �• "-, , - DISCHARGE FROM SEEPS I LFi. „ :xZk*,I- - fi; c(O4 :%" /!i - �% '(dpict , 7i41/-,tom. , Y6/ i)-r,/'P1 .lx - OUTFALL 004 TEMPERATURE CO --*-UP-AVG -t-UP-MAX -DOWN-AVG DOWN -MAX CO O 0.500 0.400 0.300 0 c) 0 J 0.200 0.100 0.000 Dec-89 Dcc-9 OUTFALL 005 NPDES DISCHARGE #005 Dec-92 Dec-(o3 Dec-94 -*--AVERAGE -I-MAXIMUM Dec-95 Dec-96 Dec-97 Dcc 98 J 60.0 50.0 40.0 30.0 20.0 10.0 0.0 CO I] 0 0 0 a, C Ql V 0 Cn O) C OUTFALL 005 C) O&G O) C Cr, 0 N c 0 aD O) C 40 Q) 41/ C -+-MONTHLY AVG. -t-DAILY MAX -MONTHLY AVG. LIMIT -DAILY MAX LIMIT O] O cc C 40 30 20 10 r4.0 O tD Cr, 4.0 to 0 Cv OUTFALL 005 cci t0 rn CO -+CONTROL -III-005 ♦ PASS / FAIL O N CO N rn O CO r FAIL PASS 40 30 10 0 OUTFALL 005 aU CD --CONTROL t005 ♦ PASS/FAIL 00 cn 01 CO v 01 FAIL PASS OUTFALL 012 ALUMINUM 2.5 2 `; 1.5 1 0.5 C DL = 1.0 MG/I) OUTFALL 012 O&G MONTH/YEAR [-E-AVG -MAX -MONTHLY AVG. -DAILY MAX. 60 40 20 Co CV N — O O ) M CD c`D N CD O CD O O O Co OD D7 CD LCD 0 O7 O OUTFALL 012 0 l0 CD O 012 ta!; O O O O O O -♦--CONTROL f 012 ♦ PASS/FAIL FAIL PASS co co co cr) O O N N V CO (0 CO (0 CO CO cr)• Cr)LO rn \ \ \ \ \ \ O O CD (DI OUTFALL 012 012 tO CO (� L n n I O CO.CO)tO - ▪ CV 00 N O \ \ \ \ \ \ \ CV CV O O O O CO CO CO CO 00 • N ▪ N \ \ O O O O O c\v M NN▪ ) c\O c\D O O O O tCONTROL t-012 ♦ PASS/FAIL 00 CS) CD 0) -zt' ▪ N- - \ \ CT) CV FAIL PASS 250.0 200.0 150.0 100.0 50.0 0.0 OUTFALL 013 TURBIDITY CI.c • ¢ o+ n c c ¢ u c> CI) -,' o > ao o ol -, Z-, '¢ C1 in O o -4—MONTHLY AVG -0-DAILY MAX an an cla CO CO CO CO CO CO CO M -, Q ▪ N O Z O 2.00 1.80 1.60 1.40 1.20 1.00 0.80 0.60 0.40 0.20 0.00 co to (0 (0 (0 <0 <0 (.0 <0 (0 <0 (0 r— 1` 1--- 0) CI) rn 0) rn 0) C) a) Cr, rn rn Cr) rn rn rn 1 I I I I I 1 I I I I I I I I c . r c Cr, Q > V c ..0 cn CD o ▪ M OUTFALL 013 ALUMINUM ♦ • • ♦ • • r rn rn ai rn 0) o-, I I I 1 I I Q C = C N • C!) DAILY MAX ▪ 00 00 CO CO rn rn co rn Cr) o) Cr, I I I I I I I > V C .L] o Z o 00 c) C cC Cr) C) CO rn Lc) CO CO 00 0) rn CT) I I I > V C o a) Z O 60 50 40 30 20 10 0' 0 Ca LIP LO 0 CO a cn LO OUTFALL 013 TSS O, rn rn Cr, ▪ Cr, rn o, rn rn rn ▪ rn rn rn rn rn o, rn rn o, rn rn a, rn rn • • rn rn o, o, ▪ O, I 1 I I I I !_ I I I 1 I I 1 I I 1 I I o+ Q • V C �. C CO O. ? U c .� >. C • O, > U a o o a, 0 a, o a� o R. 0 0 o a. a, 0 a, Q N O Z O - 4 - l/1 O 2 O -� • g ¢ i -" 6 Cr) O Z O tMONTHLY AVG. -a-DAILY MAX ''AVG. LIMIT -MAX LIMIT 175 150 125 100 75 50 25 OUTFALL 013 TOTAL CN Lrl tO to to Lo tO to to t0 to CO t0 to r— r— r— r— r— r• r r` r— r— n r— co oo co co co co to 00 co co to 00 al al an 07 al al al 0) Ol al 01 al al al al al a] al al al al 03 al 0) al al al al al of al of al rn al al al I I I I I I I I I I I I 1 I I 1 I I I I I I I I I I I I I I I I I I u C _o >. c CT a > tJ C -0 >, c Q. G. �"' > t) c G >.. c cr. Q > V a, o a, 0 d o O ' O a, u 0 aJ O O. d C. ' 0 N 0 o a, o a, O d O a ' o a) tJ 0 al d � la-M . M -, Q tl) O Z O Q M1..._ M Q V.) O 2 O -a L.� M ¢ Q t/ M -7 l C 2 O -0-- MONTHLY AVG -I-DAILY MAX MAX LIMIT 10.0 9.5 9.0 8.5 8.0 7.5 7.0 6.5 6.0 5.5 5.0 OUTFALL 013 pi-1 CO CO 01 CO 01 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1 > > o > o � M Q M - - ¢ in O 0 o M . _ _ °J o 0 o g Q (n Q N O Z O "'MIN LIMIT 'MAX LIMIT • • SANITARY 0.070 MGD POTABLE WATER 0.278 MGD GROUNDWATER 0.026 MGD LOSSES 0.029 MGD OUTFALL 013 0.012 MGD TOTAL IN = 0.304 MGD TOTAL OUT = 0.304 MGD FLOWS ARE + 10% BADIN WORKS OUTFALL 014 000 MGD r V OUTFALL 005 0.066 MGD OUTFALL 004 0.017 MGD OUTFALL 012 0.023 MGD OUTFALL 011 STORMWATER OUTFALL 002 0.087 MGD NON-STORMWATER FLOWS ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 1 OF 7 JULY 15, 1998 • • INDUCTION FURNACE NON -CONTACT COOLING WATER 0.001 MGD NON -CONTACT FLUID COOLER MAKEUP WATER 0.001 MGD NON -CONTACT WATER TUBE AFTER COOLER WATER 0.058 MGD O. COMPRESSOR CONDENSATE <.0001 MGD STEAM CONDENSATE 0.021 MGD BOILER BLOWDOWN 0.006 MGD pH NEUTRALIZATION STORMWATER If OUTFALL 002 0.087 MGD GROUNDWATER <.0001 MGD OUTFALL 002 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 2 OF 7 7/15/98 • • • STRIPPING PRESS NON -CONTACT COOLING WATER 0.010 MGD COMPRESSOR CONDENSATE <.0001 MGD STORMWATER NON -CONTACT FLUID COOLER MAKEUP WATER 0.001 MGD NON -CONTACT WATER TUBE AFTER COOLER WATER 0.006 OUTFALL 004 0.017 MGD OUTFALL 004 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 3 OF 7 7/15/98 • • CONTINUOUS CASTERS AIR CONDITIONING NON -CONTACT COOLINGWATER 0.037 MGD CONTINUOUS CASTERS NON -CONTACT COOLING WATER .002 MGD CRUCIBLE AUGER NON -CONTACT COOLING WATER 0.015 MGD CONTINUOUS CASTERS HYDRAULIC SYSTEM NON - CONTACT COOLING WATER 0.001 MGD BAKE FURNACE BRICK SAW COOLING WATER 0.001 MGD STORMWATER 4.4 V GROUNDWATER .010 MGD OUTFALL 005 0.066 MGD COMPRESSOR CONDENSATE <.0001 MGD OUTFALL 005 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 4 OF 7 7/15/98 • • • MIXER BEARING NON -CONTACT COOLING WATER 0.004 MGD ANODE PRESS NON -CONTACT COOLER WATER 0.002 MGD STEAM CONDENSATE 0.004 MGD BALL MILL NON - CONTACT COOLING WATER 0.003 MGD COKE UNLOADING WELL GROUNDWATER 0.004 MGD i 0. ANODE PRESS VACUUM PUMP NON -CONTACT COOLING WATER 0.003 MGD OUTFALL 011 NOTE: STORM EXCEEDING 012 DIFFUSER PUMP CAPCITY AND CAUSING OVERFLOW OVER WEIR ACTIVATES OUTFALL 011 4 COKE HEATER BEARING NON - CONTACT COOLING WATER 0.003 MGD COMPRESSOR CONDENSATE <.0001 MGD r OUTFALL 012 0.023 MGD STORMWATER OUTFALL 011 AND 012 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 5 OF 7 7/15/98 • • • GROUNDWATER 0.012 MGD STORMWATER OUTFALL 013 0.012 MGD OUTFALL 013 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 6 OF 7 7/15/98 • • • PARTICLE CASTER CONTACT COOLING WATER 0.000 MGD OUTFALL 014 OUTFALL 014 SOURCES ALCOA - BADIN WORKS BADIN, N.C. NC0004308 FIGURE 7 OF 7 7/15/98 • • Powerhouse Floor Drains FALLS POWERHOUSE NPDES PERMIT NO. NC0076775 Yadkin River V FALLS Unit One Scroll Case 1 FALLS Unit Two Scroll Case FALLS Unit Three Scroll Case Units 1,2, and 3 Unit One Unit Two Unit Two Unit Three Unit Three Wheelpits Generator Thrust Bearing Generator Thrust Bearing Generator Drainage Cooling Water Cooling Water Cooling Water Cooling Water Cooling Water 432,000 Gal/Day 43,200 Gal/Day 432,000 Gal/Day 43,200 Gal/Day 432,000 Gal/Day Oil and Sludge Skimmer 720 Gal/Day Outfall # 007 Outfall # 005 Outfall # 004 Outfall # 003 Outfall # 002 Outfall # 001 Into Yadkin Into Yadkin Into Yadkin Into Yadkin Into Yadkin Into Yadkin River River River River River River Unit One Generator Discharge per 24 Hrs. 1,551,226,600 Gals. Unit Two Generator Discharge per 24 Hrs. 1,712,880,000 Gals. Unit Three Generator Discharge per 24 Hrs. 1,T12,880,000 Gals. • • • NARROWS POWERHOUSE NPDES PERMIT NO. NC 0004308 V Narrows Unit One Scroll Case Yadkin River Narrows Unit Two Scroll Case Narrows Unit Three Scroll Case V Narrows Unit Four Scroll Case Unit One Units 1,2,3 & 4 Unit Two Units 1,2,3,& 4 Generator Thrust Bearing Generator Turbine Wheelpits, Cooling Water Cooling Water Cooling Water and floor drains 432,000 GallDay 172,400 GallDay 432,000 GallDay 2,880 GallDay V I Unit Three Generator Cooling Water 432,000 GallDay Unit Four Generator Cooling Water 432,000 GallDay Inspection Sump All Units Draft Tube Leakage Powerhouse Sump Outfall # 001 Outfall # 002 Outfall # 006 Outfall # 003 Into Yadkin Into Yadkin Into Yadkin Into Yadkin River River River River Unit One Generator Discharge/24 Hrs. 1,379,894,400 gals. Unit Two Generator Discharge/24 Hrs. 1,357,257,600 gals. Outfall # 005 Into Yadkin River Outfa I # 007 Into Yadkin River Unit Three Generator Discharge/24 Hrs. 1,583,462,800 gals. Unit Four Generator Discharge/24 Hrs. 1,357,257,600 gals. +� a • • • Powerhouse Floor Drains TUCKERTOWN POWERHOUSE NPDES PERMIT NO. NC0081949 Yadkin River • TUCKERTOWN Unit One Scroll Case TUCKERTOWN Unit Two Scroll Case V TUCKERTOWN Unit Three Scroll Case Units 1,2 and 3 Wheelpits Drainage • Oil and Sludge Skimmer 1,000 Gal/Day Unit One Generator Thrust Bearing Cooling Water 453,600 Gal/Day Outfall # 004 Into Yadkin River • Outfall # 003 Into Yadkin River Unit One Generator Discharge per 24 Hrs. 2,068,329,600 Gals. Unit Two Generator Thrust Bearing Cooling Water 453,600 Gal/Day Outfall # 002 Into Yadkin River Unit Two Generator Discharge per 24 Hrs. 2,068,329,600 Gals. Unit Three Generator Thrust Bearing Cooling Water 453,600 Gal/Day Outfall # 001 Into Yadkin River Unit Three Generator Discharge per 24 Hrs. 2,068,329,600 Gals. •' s • • • HIGH ROCK POWERHOUSE NPDES PERMIT NO. NC0081931 Yadkin River HIGH ROCK Unit One Scroll Case Unit One Thrust Bearing Cooling Water 17,280 Gal/Day V Outfall # 001 Into Yadkin River Unit One Generator Discharge/24 Hrs. 1,861,263,360 Gals. HIGH ROCK Unit Two Scroll Case Unit Two Thrust Bearing Cooling Water 17,280 Gal/Day i Outfall # 002 Into Yadkin River Unit Two Generator Discharge/24 Hrs. 1,825,718,400 Gals. 1 HIGH ROCK Unit Three Scroll Case Unit Three Thrust Bearing Cooling Water 17,280 Gal/Day V Outfall # 003 Into Yadkin River Unit Three Generator Discharge/24 Hrs. 1,851,569,280 Gals.