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HomeMy WebLinkAboutNC0004961_3. RBSS_CAP Part 2 Figures_FINAL_20160212 Figures This page intentionally left blank �))��i �rI' �/I. 14, (� P� P�'�Ftl'` '>♦� +�9 p,y�� i �,�"t t'v*!�° ���f ir��r n' fj p+dN'�•F, .,yF.����tl;x� � �.� ✓ I �' to .Y^ra .L rd`\5 C4%F{F'F• y 't i' �T r r-\1i�f+. F tl.,� of y�/1rA'v'r ��r A A*'rG �� � ",( "r` � � Y�,N ! �' ,�,•. . �lir,df: �, S �; II _ ;r .a ,y. �'n lt":^ �J+j'k� �� ,. w + r r..�fs t ,.'v'x+� yr z 4 ♦♦ !L r r✓✓s_ i - ,.'d T �4 7M' I NWYf ,� aY?1� lit A4 WI � l ,gye` .f rf •q .� fit: �'9. � ��� !'l^AlsdT"k P . ... cl Ct y e"Jfir, -. E r4' 4y : ♦ n R i5, 'r n f ^� et •�M s'k I.) D A. p'a 19 al IV � tl`.• .!.'" �,.' ,.. � }, �'� `w. ,✓"` ,., .,� i yx ,Y. � `ail Of om NOTES: 1- PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE. 2. ASH STORAGE BOUNDARY AND CINDER STORAGE BOUNDARY ARE APPROXIMATE. 3. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY. 4. SHALLOW MONITORING WELLS (S) - WELL SCREEN INSTALLED ACROSS THE SURFICIAL WATER TABLE. S. SHALLOW LOWER MONITORING WELLS (SL) - BOTTOM OF WELL SCREEN SET AT THE ASH-REGOLITH INTERFACE. 6. INTERMEDIATE MONITORING WELLS (I) - WELL SCREEN INSTALLEDIN REGOLITH BELOW WATER TABLE AND BELOW ASH IN ASH BASIN. 7. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 8. BEDROCK UPPER MONITORING WELLS (BRU) - WELL SCREEN INSTALLED IN COMPETENT BEDROCK IN THE FIRST 15 FEET WHERE NO TRANSITION ZONE EXISTS. 9. BEDROCK MONITORING WELL (BR) - WELL SCREEN INSTALLED IN ROCK FRACTURE ZONE WITHIN COMPETENT BEDROCK. 10. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 11. ORTHOPHOTOGRAPHY WAS OBTAINED FROM WSP (DATED APRIL 2014). 12. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN iSA NCAC 02L.0107 (a). 13. AREAS OF WETNESS SAMPLING LOCATIONS WERE OBTAINED BY HDR USING A TRIMBLE HANDHELD GPS UNIT ON APRIL 29, 2014. 14. HYDROGRAPHY WAS OBTAINED FROM USGS 7.S-MINUTE SERIES TOPOGRAPHIC MAPS MOUNTAIN ISLAND LAKE, NC. SCALE (FEET) 150' 0 150' 500' P, = 300' LEGEND: LIKE ENERGY PROPERTY BOUNDARY SH BASIN COMPLIANCE BOUNDARY SH BASIN COMPLIANCE BOUNDARY COINCIDENT WITH DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY iH OR CINDER STORAGE AREA BOUNDARY REAM )POGRAPHIC CONTOUR(4 FOOT) IISTING ASH BASIN VOLUNTARY GROUNDWATER ONITORING WELL IISTING ASH BASIN COMPLIANCE GROUNDWATER ONITORING WELL tOUNDWATER MONITORING WELL LOCATION BSERVATION WELL LOCATION tEA OF WETNESS SAMPLE LOCATIONS 1RFACE WATER SAMPLE LOCATION SITE SAMPLING LOCATIONS DUKE ENERGY CAROLINAS, LLC RIVERBEND STEAM STATION ASH BASIN CAS ON COUNTY, NORTH CAROL NA DATE FEBRUARY 2016 FIGURE 2-1 !< !<!< !< !< !< !< !<!<!< !< !< !< !<!<!< !< !< !< !< !< !< !< !< !< !<!< !< !<!< !< !< !< !< !< !< !< !< !< !< !< !< !< !< !< !< !<!< !<!< !< !< C a t a w b a R i v e r FL O W FLO W FLO W FLO W OB-1702.53' AB-1S683.41' AB-2S680.62' AB-6S685.01'AB-8S652.71' AS-2S690.45' GWA-7S 664.23' GWA-9S 645.11' MW-6S 648.03' AB-7I708.87' OB-2670.71' AB-3S704.78' AB-4S704.28' AB-5S701.15' AB-5SL700.79' AB-7S707.2' AS-1S673.87'AS-3SNR AS-3SA707.46'BG-1S666.34' BG-2S646' BG-3S642.13' C-1S648.92' C-2S652.39' GWA-10S640.33' GWA-1S656.49' GWA-20S694.33' GWA-21S709.7' GWA-22S706.34'GWA-23S701.53' GWA-2S641.03' GWA-3SNR GWA-3SA642.1' GWA-4S665.89' GWA-5S706.91' GWA-6S711.17' GWA-8S658.97' MW-10643.06' MW-11SRNR MW-13642.49' MW-15642.98' MW-1S651.92' MW-2S686.94' MW-3S644.82'MW-4S647.83' MW-5S643.28' MW-7SNR MW-7SR710.61' MW-8INR MW-8SNR MW-9647.13' MW-14651.39' 71 0 ' 71 0 ' 700'700' 650'650' 660'660' 670'670' 7 1 0 ' 7 1 0 ' 690'690' 680'680' 650'650' 660'660' 670'670' 69 0 ' 69 0 ' 680'680' 7 0 0 ' 7 0 0 ' 710'710' 710'710' SR-1912 PO TENTIO METRIC SURFACE – SHALLO W FLO W LAY ER (S) (9/15/2015)DUKE ENERGY CARO LINAS, LLCRIVERBEND STEAM STATIO N ASH BASIN GASTON COUNTY, NORTH CAROLINA DATE FIGURE 2-2 PAT H : \ \ S A C - S R V 0 1 \ G I S \ P R O J E C T S \ D U K E E N E R G Y \ A S H B A S I N \ M A P _ D O C S \ R I V E R B E N D \ C A P I I \ R E P O R T _ C A P I I _ R I V E R B E N D _ A N S I B _ G W _ C O N T O U R _ S _ F L O W _ L A Y E R _ C O N T O U R S _ 2 0 1 6 0 2 1 1 . M X D - U S E R : T L E O N A R D - D A T E : 2 / 1 1 / 2 0 1 6 LEGEND !<ASH BASIN ASSESSMENT GROUNDWATERMONITORING WELL !<ASH BASIN COMPLIANCE GROUNDWATERMONITORING WELL !<ASH BASIN VOLUNTARY GROUNDWATERMONITORING WELL GROUNDWATER CONTOUR LINE DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY COINCIDENTWITH DUKE ENERGY PROPERTY BOUNDARY STREAM FEBRUARY 2016 N 500 0 500 1,000 SCALE (FEET) NR - NO READING &< &< &< &< &<&< &< &< &< &<&< &< &< &< &< &< &< &< &<&< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< &< C a t a w b a R i v e r FL O W FLOW FLOW FLOW 625'625' 710'710' 70 5 ' 70 5 ' 685'685' 645'645' 665'665' 645'645' 665'665' 685'685' 70 5 ' 70 5 ' 7 1 0 ' 7 1 0 ' AB-1D665.61' AB-2D677.81' AB-3D699.67' AB-4D701.2' AB-5D673.09' AB-6BRU668.45' AB-7D708.49' AB-8D654.21' AS-1D671.03' AS-2D691.38' AS-3D707'BG-1D666.72' BG-2D645.06' BG-3D639.73' C-1BRU592.48' C-2D649.71' GWA-20D692.55' GWA-21D699.6' GWA-22D702.49' GWA-23D700' GWA-2BRU635.58' GWA-3D641.67' GWA-4D665.93' GWA-5D712.38' GWA-6D710.31' GWA-7D665.04' GWA-8D665.57' GWA-9D643.06' MW-11DR662.8' MW-15D639.73' MW-1D649.19' MW-2D685.55' MW-3D651.76'MW-4D606.19'MW-5D646.8' MW-6D649' MW-7D710.55' MW-8DNR MW-9D644.36' GWA-10BRU640.31' GWA-1BRU657.32' SR-1912 POTEN TIOMETRIC SURFACE – DEEP FLOW LAYER (D AN D BRU) (9/15/2015)DUKE EN ERGY CAROLIN AS, LLCRIV ERBEN D STEAM STATION ASH BASIN DATE FIGURE 2-3 PAT H : \ \ S A C - S R V 0 1 \ G I S \ P R O J E C T S \ D U K E E N E R G Y \ A S H B A S I N \ M A P _ D O C S \ R I V E R B E N D \ C A P I I \ R E P O R T _ C A P I I _ R I V E R B E N D _ A N S I B _ G W _ C O N T O U R _ D _ F L O W _ L A Y E R _ C O N T O U R S _ 2 0 1 6 0 2 1 1 . M X D - U S E R : T L E O N A R D - D A T E : 2 / 1 1 / 2 0 1 6 LEGEND &<ASH BASIN ASSESSMENT GROUNDWATERMONITORING WELL &<ASH BASIN COMPLIANCE GROUNDWATERMONITORING WELL &<ASH BASIN VOLUNTARY GROUNDWATERMONITORING WELL GROUNDWATER CONTOUR LINE DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY STREAM N 500 0 500 1,000 SCALE (FEET) FEBRUARY 2016 NR - NO READING GASTON COUNTY, NORTH CAROLINA &< &< &< &< &< &< &< &< &< &< &< &< &< C a t a w b a R i v e r 700'700' 680'680' 660'660' 640'640'640'640' 660'660' 680'680' 700'700' FLO W AB-3BR683.75' BG-2BR644.6' GWA-20BR691.2' GWA-21BR702.16' GWA-23BR696.56' GWA-2BR641.37' GWA-4BR663.19' GWA-7BR665.1' GWA-9BR538.77' MW-15BR639.98' MW-7BR707.1' MW-9BR645.21' GWA-22BR-A702.09'SR-1912 POTEN TIOMETRIC SURFACE – BEDROCK FLOW LAYER (BR) (9/15/2015)DUKE EN ERGY CAROLIN AS, LLCRIV ERBEN D STEAM STATION ASH BASIN DATE FIGURE 2-4 PAT H : \ \ S A C - S R V 0 1 \ G I S \ P R O J E C T S \ D U K E E N E R G Y \ A S H B A S I N \ M A P _ D O C S \ R I V E R B E N D \ C A P I I \ R E P O R T _ C A P I I _ R I V E R B E N D _ A N S I B _ G W _ C O N T O U R _ B R _ F L O W _ L A Y E R _ C O N T O U R S _ 2 0 1 6 0 2 1 1 . M X D - U S E R : T L E O N A R D - D A T E : 2 / 1 1 / 2 0 1 6 LEGEND &<ASH BASIN ASSESSMENT GROUNDWATERMONITORING WELL GROUNDWATER CONTOUR LINE DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY STREAM N 600 0 600 1,200 SCALE (FEET) FEBRUARY 2016 GASTON COUNTY, NORTH CAROLINA S U C K C R E E K PROSPECT CHURCH RD 6, 7 (  & 2 1 & ( 3 7 8 $ /  0 2 ' ( / - 3D REPRESENTATION DU K E (1(5*<&$52/,1$6//&  R ,9 ( 5 % ( 1 '  6 7 ( $ 0  6 7 $ 7 , 2 1 *$ 6 7 2 1  COUNTY, 1257+&$52/,1$DATE FIGURE )(%58$5<20 .N 50 0 0 5 0 0 1 , 0 0 0 SC A L E ( F E E T ) Ev a p o r a t i o n / P r e c i p i t a t i o n 1 3 3 7 4 4 6 8 8 4 2, 4 , 8 , 9 2, 8 5, 9 Ar e a s w i t h H i g h est Concentra Ɵ ons of C o n s Ɵ tuents 1 A n Ɵ mony 2 A r s e n i c 3 B o r o n 4 C h r o m i u m 5 C o b a l t 6 H e x a v a l e n t C h r o m i u m 7 S u l f a t e 8 T h a l l i u m 9 V a n a d i u m Mo u n t a i n I s l a n d L a k e So i l / S a p p r o l i t e Sh a l l o w F l o w L a y e r Fr a c t u r e d B e d r o c k / B e d r o c k F l o w L a y e r F l o w D i r e c t i o n F l o w D i r e c t i o n Ea s t B a s i n Approximate Lake / River Extent Regolith (Shallow and Deep Flow Layers)Bedrock Source Area Areas of elevated constituent concentration Groundwater Flow DirectionLEGEND NOTE:VISUAL AID ONLY - DEPICTION NOT TO SCALE Cross Section Location B-B’ B’ B 1 2 3 0 5 7 .09 750 AB-4D + + + + • +' + t + + + + + + .r } + + + + + } + + + + + + + + + .r + + + + + + + + } } + + + + + + } + + + } } + + + }..-+-...+...+ + } + + + + } + + + + .r + + + } } + + + } } + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + h + + + + } + + + + } + + + + + + + + + r + + + + } + + + + + } + + + + + + + t + + + + + + + i + + + + + + + + + + t + + + + + + + + i + + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + +r 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License Number: F-0116 440 S. Church Street, Suite 900 Charlotte, NC 28202-2075 704.338.6700 3000 ISSUE DATE DESCRIPTION INTERMEDIATE DAM AB-4S WATER IN BASIN ® I ' APORATION/PRECIPITATION SECONDARY DAM + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + r + + + + + + + + + + + + + + + + + + +r + + + + + + + + + + + + + + + + + + +h + + + + + + + + } + + + + + } + + + } } + i + } + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + } + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + } + + } h + + + } + + + + + + + + } } } + + } + .h + + } } + + + } + + + + } + + + + } + .h + } } + + + + + + + + + } } } + + } } } + + } } } + + } } } + + } } + + + } } + i } } } + + } } } + + } } + + + } } + + i + + + + + + + r + t + + + + + + + + + + + + + + + + + r t + + + + + + + + + t + + + + + + + + r + + + + + + + + + t + + + + + + } + + i + + + + t + + + t + + + + + + + + + t i + + + t + + + + + + + + + + + + + t + i + + t + + + + r + + + + + + + + + + + + + + + + + + + h + + + + + + + + + + + + + + + + + + + h + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + } + + + i + + + + + + + + + + + + + + } + + + + i + + + + + + + + .h + + + + + + + + + + + + + + + + + + + + + + + .h + + + + + + + + + i LEAC HATE+++++++++++++++h++++++++++++i+++ + + + + + + + + i + + + + + + + + + + + + + + + + -r + + + + + + + + + + + + + + + + + + + -r + + + + + + + + + + + + + + + + + + + h + } } + + + + + + + + + + + + + + i + + t + + t + t + + + + + + + + + } + i + + + + + + + + i- + + } + i- + + } + + i + + + + .h + + + + + + + + + + + + + + } + + + +h + + } + + + + + } + + + } + + + + } +h + + + + + + + + + + + t + + + + i + + + + + + + + t + + + + t + + + + + i + + + t + + + + + + + + t + + + + + + + + + + + + t + + + t + + + + + + + + + + + + + + t + + + + + + + + + + + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + t + + + + + + + r + + + + + + + + + + + + + + + + + + + r + + + + + + + + + + + + + + + + + + + r + + + + + } + } } + } + + + } i + } } } t + + + } + + } } } + + + + + i } } + + + } + } + + } } } t + } } + + i + + + +h + + + + + + + + + + + + + + + + + } + h + + + + + + + + + + + + + + + + + + +h + + + + + + + + + } + + + + + + + i + } + + + + + + + + + + + + + + + + + i } + + + + + + + + + + + + + + + + + + i + + } + + +h + + + } + + + + + + + + + } } + + } + h + + } + + + + + + + + + } } + + + } +h + } } + + + + + + + + + + + + + + + + i + } + + + + } + + + + } + + + + } + + i } } + + + } + + + + } + + + + } + + + i + + t + + + + +h + + + + + + + + + + + + + + + + + + h + + } + + + + + } + + + } } + + + + + h } + + + + + } + + + + + + + + + + + + + i + + + + + + + + + + + + + + + + + + + i + + + + + + + + + + + + + t + + + + + i + + t + + . + + + + r + + + + + + + + + + + + + + + + + + r + + + + + + + + + + + + + + + + + + + r + + + + + + + + + + + ++++++ +L+++++++ +++++++++ + + + +++++++ +++ +++L+++++ +++++ i++++++++++++++++ +++ +++++`+ +++ +++ + + +++ + + + +++ + i + + + + + + + + +++ +++ + + + +++ + ++i + + + + + + + +++ +++ + + + + + ++++i ++ + + + + - 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CARBONE DRAWN BY: - DESIGNED BY: - CHECKED BY: - APPROVED BY: - PROJECT NUMBER 000000000266802 4000 DISTANCE (ft) NOT FOR CONSTRUCTION ■ MW-13 4200 4400 4600 B' EAST -1 1 750 700 CATAWBA RIVER MOUNTAIN ISLAND LAKE 650 DUKE ENERGY CAROLINAS,LLC DUKE ENERGY.: GASTON COUNTY RIVERBEND STEAM STATION NORTH CAROLINA [oleo 1. CONCEPTUAL DRAWING FOR DEMONSTRATION PURPOSES ONLY. 2. BEDROCK FRACTURES DEPICTED ON SECTION DO NOT REPRESENT ACTUAL FRACTURE FREQUENCY OR ORIENTATION. LEGEND: WATER TABLE SURFACE (JUNE 2015) FI LL ASH REGOLITH BEDROCK (FRACTURED) ++++} + } + + + LEACHATE +++ ++++++ GROUNDWATER FLOW PATH SITE CONCEPTUAL MODEL CROSS SECTIONAL 0 1" 2" FILENAME I FIGURE 3-2.2.DWG SCALE I AS NOTED SHEET FIGURE 3-2 C C Br o o k s h i r e B l v d (SECONDARYCELL) (PRIMARYCELL) ASH BASIN CINDERSTORAGEASHSTORAGE RIVERBENDSTEAM STATION HOR S E S H O E D R STE A M P L A N T R D C O P P E R C V H E R O N C O V E D R LEE ST AUBUR N CV MARIN CT TURNOUT DR B R A X T O N G A T E C T LUCIA RI V E R B E N D H W Y BROO K R I D G E D R W I L L O W S P R I N G T R L RI V E N D E L L CT CED A R S T LAU R E L GLEN C T JOHNSO N ST SUM M E R WIND L N ROCKY LN CRI C K E T HOL L O W COVEPOINTE LAK E H A V E N DR ST O N E W A T E R B A Y L N H O R S E S H O E L A K E R D OAKSTFOXRIDGE LN WOOD W A R D RIDGE D R SOU T H CEN T U R I O N L N NIVE N S COV E R D WATERFORD D R VI L L A G E G L E N W A Y WO O D W I N D S D R RIVERS I D E D R HO L D S W O R T H DR HIDDENPINES DR HOL B E R T L N E D D I E N I C H O L S D R W I L L O W T R E E L N N C 1 6 H W Y LUMBER LN HORSESHOEBENDBEACH RD 1 NECK R D NEC K R D JOHNSON-D A V I S RD BALLYPATLN DRAKE COVE RD J O H N S O N - D A V I S R D D U K E A C C E S S R D N E C K R D A R T H U R A U T E N R D RECEPTOR MAPDUKE ENERGY CAROLINAS, LLCRIVERBEND STEAM STATION ASH BASIN DATE FIGURE FEBRUARY 2016 3-3 PA T H : \ \ C L T - S R V 0 2 \ G I S \ P R O J E C T S \ D U K E _ E N E R G Y \ A S H _ B A S I N _ W E L L S _ R E C E P T O R S \ R I V E R B E N D \ M X D \ R B S S _ C A P 2 _ F I G _ 3 _ 3 _ 2 0 1 6 0 2 1 1 . M X D - U S E R : T L E O N A R D - D A T E : 2 / 1 1 / 2 0 1 6 NOTES:1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE.2. PRIVATE WELLS LOCATIONS ARE APPROXIMATE.3.ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.4. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).5. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS LAKE NORMAN SOUTH, NC AND MOUNTAIN ISLAND LAKE, NC-VA.6. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.7. PROPERTY BOUNDARIES WERE SUPPLIED BY THE GASTON COUNTY AND MECKLENBURG COUNTY GIS OFFICES.8. INFORMATION PERTAINING TO IDENTIFIED WATER SUPPLY WELLS IS INCLUDED IN TABLE 4-1 Legend DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY 0.5 MILE OFFSET FROM ASH BASINCOMPLIANCE BOUNDARY STREAM PROPERTY LINES REPORTED PRIVATE WATER SUPPLY WELL N 500 0 500 1,000SCALE (FEET) GASTON COUNTY, NORTH CAROLINA } e RESIDENTIAL - (ZONING -RURAL (R))i. - - COWAN'S FOR WILDLIFE REFUG (TOWN OF HUNTERSVILLE PARK OR NATURE PRESERVE) r COWAN'S FORD _ I WILDLIFE REFUGE (TOWN OF HUNTERSVILLE PARK OR NATURE PRESERVE) 3 `• e ` i. I J f �I7 RURAL HILL NATURE RESERVE'' - ////i///���� r `� r, *4 (TOWN OF HUNTERSVILLE M PARK OR NATURE PRESERVE) jr`-`} MOUNTAIN ISLAND LAKE (� POND , ,�\\ COWAN'S FORD ASH BASIN LDLIFE FUGE 'C' SECONDARY CELL TOWrf OF HU TERSVILLE PARK OR NAJ. 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J j Q� \ 1 1 \ ��\, \„\ �\- =//J �Y, r(' J :r �_T ; -1 (lam �1�/l. f 1 / ( �` • . ,:\— \\`xl I �`j , j )� 1. \ \ _ \ !L ti ��_ ✓✓`� a tc�,o (. e : �, r J/y/, �� l I(` r \J\�\,��\`��i ;`\'•\\\'\� l\ \\�- _\-1.j / �f `cel-I If \\�i\I' \'i\ \ _ //I�I I,( / I y I > \� I-\\\c1 14 \\\INDUSTRIAL 7. --\ \` GL` �' " � �' I ' _ / (ZONING - lL GHT JNDa1STRIA.L (L-1)) 'i I \I\/ ' � =•f ./ � \>> � j , I r �� / ///// I 'I' ��\�\ \\ \\�\'\� �' ✓ �/•// � ,� � I I I � � \\ \ \� 1� AL /, I '?r / \\�\ \Y- r \ \\\1\\\\V \\I \\\ -rim �: ��• _• 3 I .� \ter. �\\ \�\L ((/^ \ ///III \\ \ ._,J , i/�i/ /)//i \i ,�=�+ ��---; �'���`�.lV\�.� �'111�1� I-�/))j111111 •;\\�"J�.,o/i--___,_�l; II ..,. \,��\ -I PIT\(/ / / (// (//i -• ' �� .�. � \!Ill \\\\\ \���-�ci?���/ % � ` ,i �_ �I � Bill FAM=IIIm: qP :AROLINAS, LL AM STATION A 1 2 33 4 5 6 7 !( !(!( !( !( Br o o k s h i r e B l v d (SECONDARYCELL) (PRIMARYCELL) ASH BASIN CINDERSTORAGEASHSTORAGE RIVERBENDSTEAM STATION Charlotte-Mecklenburg,Franklin and Vest WTP 1 City of Mount Holly,Mount Holly WTP Two Rivers Utilities (City of Gastonia),Gastonia WTP Charlotte-Mecklenburg,Franklin and Vest WTP 2 Secondary CellDischarge Tower MUNICIPAL WATER INTAKES MAPDUKE ENERGY CAROLINAS, LLCRIVERBEND STEAM STATION ASH BASIN DATE FIGURE FEBRUARY 2016 3-5 PA T H : \ \ C L T - S R V 0 2 \ G I S \ P R O J E C T S \ D U K E _ E N E R G Y \ A S H _ B A S I N _ C A P _ F I G U R E S \ R I V E R B E N D \ R B S S _ C A P 2 _ F I G _ 3 _ 5 _ 2 0 1 6 0 2 1 1 . M X D - U S E R : T L E O N A R D - D A T E : 2 / 1 1 / 2 0 1 6 NOTES:1. ASH BASIN WASTE BOUNDARIES AND ASH STORAGE AREA BOUNDARIES ARE APPROXIMATE.2. PRIVATE WELLS LOCATIONS ARE APPROXIMATE.3. ORTHOPHOTOGRAPHY IS FROM NC ONEMAP GIS ONLINE SERVICE.4. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107(a).5. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS LAKE NORMAN SOUTH, NC AND MOUNTAIN ISLAND LAKE, NC-VA.6. DUKE ENERGY PROPERTY BOUNDARY WAS SUPPLIED BY DUKE ENERGY REAL ESTATE.7. PROPERTY BOUNDARIES WERE SUPPLIED BY THE GASTON COUNTY AND MECKLENBURG COUNTY GIS OFFICES.8. INFORMATION PERTAINING TO IDENTIFIED WATER SUPPLY WELLS IS INCLUDED IN TABLE 4-1 Legend DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARYCOINCIDENT WITH DUKE ENERGYPROPERTY BOUNDARY STREAM !(DISCHARGE TOWER !(MUNICIPAL WATER INTAKES RIVERMILE N 500 0 500 1,000SCALE (FEET) GASTON COUNTY, NORTH CAROLINA - T - •r , lb '. i ONO t i -•. rcr l { j Y - � � � { j 1 "mmm 4. MW-15 ,. MW-15D� MW-15BR ~ S-4 GWA-10S ' GWA-10BRU ` lqw� ti IC ,14 ��, . It �' _ �. _ .. },�- ♦' . s V r • !, '' ., j � _ All ho i a .-�i• � •� `•;�`` • :�` �•. ice. ` i •,,KI - •� � . ' :i ♦ } 1, ?YL �s �• to `'- 5. • _/ }' + 1w Y - 41L- y� ddw Jf tI • :- fir• t . "A.`3. �� . '. w t '-s 1 • E, a{ sue-. �ri �� � � --� -- .: � � %�-•i� vt ffl11li%j- �-} A� �?fir ... y ht rk • •• sue,, Ll Or . i�H STORAGE 4AA W-7 - ,• A'ol •-a �'Jr'•` ` - �• - •a :' � ' � y - -I r' ,i i�r tea: • •,�5�4'�`- •. der--+ vrt��s •, , L'I�' . r . _.:�.. .:ilk..-.�. - - .•�•��--: �•• ,,� •��t€r� � ���*'�;�`;'"_!� {� ;.•� �_. -� � 1�7 T 1 L i �� �r� , i jam. `ter• ' • 4 - _ �a7r r f REIS v. s- -^ t• L i 11 %J �r 1 1 �' �rt • I tom' _ •t f Yw 41 �• • • 1�: �f rr -/?w, f it's or V � � • - �. .-a. �, �y1ei �.!`w� � T , l �. _ t- � aa. t 4' .t 1 , a. / • 1 1 • • ! , �. 7 { � °- " r-� - ' � L t-f 3'i 2'.'•Y �_�• � 1 �•. �S �` X � S -� $1 4.s; i- ► � �'�_ • t��i �` 2�t / � — %(4wf i =A' r'. ! Y f y �E .1•' - t _ " rye _ �• , ^ 4 • ! / / • •. - �, Cr . �� • l� ' � *so • 1 i '� � � •. } •�+j ���i= jji � - [ � , y � -- � nl � �� - £c'1�3'-�, , 9i �..-'� r ,,.. � / / � * Pe 44 - 'Z•.f 1 O `•, �, _ -.sf� lF�.• � Kam'• � .r`��'F ,'�' - �"/ .'A� 1' �y ti,�, _ , �' - � / // ` / i� I_ �•--71!\'' ^-.y TL �' �-• _ T _ _ r..'� ._ ;_.. �- "i� Je. _ �5 �.':1+L�� �. ••" +�" �,; �-.%-. _� Id zz t,` �}i' S i_J �j ` - l+ •• '� �.. _ f. r •�..+4 1 - }j4�; - ss$" �- 1'^ - }r r /--�\\\\\J�J�/� //�\\\ IF F '_ . i �.' �`-1' ~ �R. tr`•'� ^ .�.e _ .. _ �a n • _ r L.t� t 2 �.. laii": - �S- i 1 \ — NOTES: 1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE. 2. ASH STORAGE BOUNDARY AND CINDER STORAGE BOUNDARY ARE APPROXIMATE. 3. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY. 4. SHALLOW MONITORING WELLS (S) - WELL SCREEN INSTALLED ACROSS THE SURFICIAL WATER TABLE. 5. SHALLOW LOWER MONITORING WELLS (SL) - BOTTOM OF WELL SCREEN SET AT THE ASH-REGOLITH INTERFACE. 6. INTERMEDIATE MONITORING WELLS (1) - WELL SCREEN INSTALLEDIN REGOLITH BELOW WATER TABLE AND BELOW ASH IN ASH BASIN. 7. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 8. BEDROCK UPPER MONITORING WELLS (BRU) - WELL SCREEN INSTALLED IN COMPETENT BEDROCK IN THE FIRST 15 FEET WHERE NO TRANSITION ZONE EXISTS. 9. BEDROCK MONITORING WELL (BR) - WELL SCREEN INSTALLED IN ROCK FRACTURE ZONE WITHIN COMPETENT BEDROCK. 10. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 11. ORTHOPHOTOGRAPHY WAS OBTAINED FROM WSP (DATED APRIL 2014). 12. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L .0107 (a). 13. AREAS OF WETNESS SAMPLING LOCATIONS WERE OBTAINED BY HDR USING A TRIMBLE HANDHELD GPS UNIT ON APRIL 29, 2014. 14. HYDROGRAPHY WAS OBTAINED FROM USGS 7.5-MINUTE SERIES TOPOGRAPHIC MAPS MOUNTAIN ISLAND LAKE, NC. SCALE (FEET) 200' 0 200' 400' /" = 400' ra u p ADDITIONAL ASSESSMENT WELLS DUKE ENERGY CAROLINAS, LLC RIVERBEND STEAM STATION ASH BASIN GASTON COUNTY, NORTH CAROD NA N LEGEND: DUKE ENERGY PROPERTY BOUNDARY ASH BASIN COMPLIANCE BOUNDARY ASH BASIN COMPLIANCE BOUNDARY COINCIDENT WITH DUKE ENERGY PROPERTY BOUNDARY ASH BASIN WASTE BOUNDARY ASH OR CINDER STORAGE AREA BOUNDARY STREAM TOPOGRAPHIC CONTOUR (4 FOOT) EXISTING ASH BASIN VOLUNTARY GROUNDWATER MONITORING WELL EXISTING ASH BASIN COMPLIANCE GROUNDWATER MONITORING WELL GROUNDWATER MONITORING WELL LOCATION OBSERVATION WELL LOCATION AREA OF WETNESS SAMPLE LOCATIONS SURFACE WATER SAMPLE LOCATION NCDEQ SAMPLE LOCATIONS PROPOSED DATA GAP WELL LOCATIONS PUBLIC WATER SUPPLY WELL REPORTED PRIVATE WATER SUPPLY WELL DATE FEBRUARY 2016 FIGURE 81