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Home My WebLink AboutNC0004961_Figures - GW Assessment_20130531FIGURES SAT 1 ; z oe It 1-ft YORE ASH BASIN ' J owerplan# �r ! Du \rr RIVERBEND STEAM STATION • / Ak it C 16 ;��It �' — 1 Rortelle Bridge �- �I , 1S/ 649 NOTES: ` {'`� I / Ole E� - . • ��.-i,, I. SOURCES: USGS TOPOGRAPHIC MAP - MT. ISLAND LAKE, CREATED 1993. USGS TOPOGRAPHIC MAP - LAKE NORMAN SOUTH, CREATED 1993. SCALE (FEET) �♦ /i'ln //1 / ``�CfZ 1000 0 1000 2000 FM HD2 EnyYreering, Inc. of the Carohnas License Number: F-0116 440 South Church Streel Charlotte. INC 28202 SITE LOCATION MAP RIVERBEND STEAM STATION DUKE ENERGY CAROLINAS, LLC GASTON COUNTY, NORTH CAROLINA DATE MAY 31, 2013 FIGURE 1-1 NOTES: 1. PARCEL DATA FORTH E 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. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 6. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 7. ORTHOPHOTOGRAPHY WAS OBTAINED FROM NC ONEMAP GIS WEB SITE (DATED 2009). 8. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107 (a). fm HM En9in.xin9. Ina f M. Carolina. COMPLIANCE GROUNDWATER MONITORING WELLS RIVERBEND STEAM STATION ASH BASIN DUKE ENERGY CAROLINAS, LLC GASTON COUNTY, NC DATE MAY 31, 2013 FIGURE 2.5-1 NOTES: 1. PARCEL DATA FORTH E 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. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 6. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 7. ORTHOPHOTOGRAPHY WAS OBTAINED FROM NC ONEMAP GIS WEB SITE (DATED 2009). 8. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107 (a). fm HM En9in.xin9. Ina of Ma Carolina. COMPLIANCE AND VOLUNTARY GROUNDWATER MONITORING WELL LOCATIONS RIVERBEND STEAM STATION ASH BASIN DUKE ENERGY CAROLINAS, LLC GASTON COUNTY, NC DATE MAY 31, 2013 FIGURE 2.5-2 Riverbend Steam StationProperty Line Lake Norman Mountain Island Lake Catawba River5,00 0 0 5,00 0 10,0 00 Notes:Source: Geologic Map of the Charlotte 1° x 2° Quadrangle, North Carolina and South Carolina, 1988, R. Goldsmith, D. J. Milton, and J. W. Horton, Jr., USGS. SCALE (FEET) HDR En gin eerin g, Inc.of th e Caro linas License Nu mber: F-0116440 South Church Street, Charlot te, NC 28202 GEOLOGIC MAPRIVERBEND STEAM STATIONDUKE ENERGY CAROLINAS, LLCGASTON COUNTY, NORTH CAROLINA DATE FIGURE May 31, 2013 4.1-1 Metamorphosed quartz diorite and tonalitemqd 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. AS -BUILT MONITORING WELL LOCATIONS PROVIDED BY DUKE ENERGY. 3. SHALLOW MONITORING WELLS (S) - WELL SCREEN INSTALLED ACROSS THE SURFICIAL WATER TABLE. 4. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 5. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 6. ORTHOPHOTOGRAPHY WAS OBTAINED FROM NC ONEMAP GIS WEB SITE (DATED 2009). 7. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107 (a) 8. ASH BASIN PRIMARY AND SECONDARY POND ELEVATIONS MEASURED BY DUKE ENERGY ON JANUARY 19, 2013. fm HM E.gin—g, Ina rM. Carolina. WATER LEVEL ELEVATIONS GROUNDWATER AND SURFACE WATER LOCATIONS RIVERBEND STEAM STATION ASH BASIN DUKE ENERGY CAROLINAS, LLC GASTON COUNTY, NC DATE MAY 31, 2013 FIGURE 4.1-2 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. SOIL BORING AND PIEZOMETER LOCATIONS FROM DUKE ENERGY DRAWINGS RB-3011 AND RB-3010A. 4. SHALLOW MONITORING WELLS (S) - WELL SCREEN INSTALLED ACROSS THE SURFICIAL WATER TABLE. 5. DEEP MONITORING WELLS (D) - WELL SCREEN INSTALLED IN THE TRANSITION ZONE BETWEEN COMPETENT BEDROCK AND THE REGOLITH. 6. TOPOGRAPHY DATA FOR THE SITE WAS OBTAINED FROM NC DOT GEOGRAPHIC INFORMATION SYSTEM (GIS) WEB SITE. 7. ORTHOPHOTOGRAPHY WAS OBTAINED FROM NC ONEMAP GIS WEB SITE (DATED 2009). 8. THE COMPLIANCE BOUNDARY IS ESTABLISHED ACCORDING TO THE DEFINITION FOUND IN 15A NCAC 02L.0107 (a). Q rDl1CC CFrT In Kir A' -A' W-Pt' AKin r'_r' ADF nFDlrTFn nKl rim IDFC A 1-A AKin A 1_G fm HIM E.gin—g, Ina rM. Carolina. SITE PLAN WITH CROSS SECTIONS RIVERBEND STEAM STATION ASH BASIN DUKE ENERGY CAROLINAS, LLC GASTON COUNTY, NC DATE MAY 31, 2013 FIGURE 14.1-3 1 MAY 31, 2013 MAY 31, 2013 ASH STORAGECINDERSTORAGEHORSESHOE BEND BEACH ROADH OR S E SH O E BE ND BE A C H RO A D CATAWBA RIVERMOUNTAIN ISLAND RESERVOIRFERC PROJECT NO. 2232(FULL POND 646.8')CATAWBA RIVERMOUNTAIN ISLAND RESERVOIRFERC PROJECT NO. 2232(FULL POND 646.8')POWERHOUSE UNITS 1-5SWITCHYARDCOMBUSTIONTURBINESLARKMAINTENANCECENTERNC 16ACTIVEASH BASINSECONDARYCELLACTIVE ASHBASINPRIMARY CELL   LEGEND:PROPERTY BOUNDARY NOTES:1. PARCEL DATA FOR THE SITE WAS OBTAINED FROM DUKE ENERGY REAL ESTATE AND IS APPROXIMATE. DUKE ENERGY ALSO OWNS PROPERTY WITHIN THE PROJECT BOUNDARY OF CATAWBA-WATEREE FERC PROJECT NO. 2232 (NOT SHOWN ON THIS FIGURE).2. ORTHOPHOTOGRAPHY WAS OBTAINED FROM NC ONEMAP GIS WEB SITE (DATED 2009).DATEFIGUREFIGUREDATEFIGUREDATEHDR Engineering, Inc.440 South Church Street Charlotte, NC 28202License Number: F-0116of the CarolinasSITE PROPERTYRIVERBEND STEAM STATIONDUKE ENERGY CAROLINAS, LLCGASTON COUNTY, NCMAY 31, 20134.2-1 `.0 �� V .\ rj a - i fF ., f E E C K }' r o RIVERBEND STEAM STATION RRENT WAS ` BOUNDARY' � (APPROX) Su !}r !e rr is s A F s01 49 - s•••• NOTES: I. SOURCE: USGS TOPOGRAPHIC MAP - PAW CREEK, CREATED1948. ml SCALE (FEET) 500 0 500 1000 Im HDR Engineering, Inc. of the Carolinas I 1948 Paw Creek Topo Riverbend Steam Station Duke Energy Carolinas, LLC Gaston County, NC IC DATE May 31, 2012 FIGURE 4.2-2 !s 1 440 South Church Street Charlotte, NC 28202 Figure 4.3-1 Piper Diagram - Ash Basin Sample TOWER 0.3M and Upgradient Monitoring Wells Figure 4.3-2 Piper Diagram - Ash Basin Sample TOWER 0.3M and Downgradient Monitoring Wells Figure 4.3-3 Stiff Diagrams Background Monitoring Wells MW-7SR, MW-7D and TOWER Sample TOWER MW-7SR MW-7DR Figure 4.3-4 Stiff Diagrams Upgradient Monitoring Wells –MW-8S, MW-8I, MW-8D and TOWER Sample MW-8S MW-8I MW-8D TOWER Figure 4.3-5 Stiff Diagrams Primary Cell Downgradient Monitoring Wells MW-9, MW-10 and TOWER Sample MW-9 MW-10 TOWER Figure 4.3-6 Stiff Diagrams Secondary Cell Downgradient Monitoring Wells MW-11SR, MW-11DR and TOWER Sample MW-11DR MW-11SR TOWER Figure 4.3-7 Stiff Diagrams Downgradient Monitoring Wells MW-13, MW-14, MW-15 and TOWER Sample MW-13 MW-14 MW-15 TOWER Figure 4.3-8 Stiff Diagrams Voluntary Monitoring Wells MW-4S, MW-4D and TOWER SAMPLE MW-4S (Voluntary) TOWER MW-4D (Voluntary) Figure 4.3-9 Stiff Diagrams Voluntary Monitoring Wells MW-5S, MW-5D and TOWER SAMPLE MW-5S (Voluntary) MW-5D (Voluntary) TOWER MW-7D MW-7SR MW-8D MW-8I MW-8S TOWER Sulfate (µg/L)250 210 1300 270 170 27998.2 Calcium (µg/L)2460 311 4550 2110 334 9910 Chloride (µg/L)1100 1800 1300 1100 2000 7001 Sodium (µg/L)3350 1170 12299.9 7270 1190 5380 Potassium (µg/L)948 773 1020 904 625 3280 Magnesium (µg/L)902.8 1050 821.8 457.9 251.9 2509 0 5,000 10,000 15,000 20,000 25,000 30,000 Concentrations (µg/L) Figure 4.3-10 Cation/Anion Concentrations-Upgradient MW's and TOWER Note: Values in data table were converted from meq/L and differences from lab values may exist due to rounding. MW-7D MW-7SR MW-8D MW-8I MW-8S Tower- 0.3m MW-9 MW-10 MW- 11DR MW- 11SR MW-13 MW-14 MW-15 Sulfate/ Chloride 0.2 0.1 1.0 0.2 0.1 4.0 13.33 3.09 6.42 6.57 2.74 3.80 4.22 0.0 2.0 4.0 6.0 8.0 10.0 12.0 14.0 Ratio - Sulfate Concentration/Chloride Concentration Figure 4.3-11 Ratio of Sulfate/Chloride in MW's and TOWER 112 344456677 89910101111121314 151617 1 81919202021222324 25 26 2727 282829303132 33343535 36 3738393940 414243444445454647 484950505152535455555657 5 8 59606162636465656667676869707172 73 74 75 76 77 78798081828384 85868788899090919293939495 9 6 9 6 97 98 99 100101102102103104105 106107108 109 1 1 0 111111 1 1 2 113114115116 117 118 11911912012112212312 4 125126127 128 129 130131132133133134135136137138139140141142142143144145146147147148149 150 151 15 21531541551561561 5 7 158 159 160 161162163 164165166166 167 168 169 170170 171 172 17 3 174 1751761771781791 8 0 181182 1 8 3 1 8 3 184 185 186186 1 8 7 18 8 189190 191192192193194195 196197197198199199200201 202203204 205206207208208209210210211212213214214215216217218218219220221222223224225226227228229230231232233234235236237238239239240241242243244245246247248248249250251252252253254255256257257258259260261262263264265266267268269270270271272273274275276277277278279280281282282283284285285286287288289290290291292293294295296297298299300301302302303304305306307308309310311312312 0 313 Lake Norman Mountain IslandLake Mecklenburg Cowans Ford Dam Mountain Island Dam Riverbend Steam Station MW-13 Gaston Lincoln MMccDDoowweellllCCrreeeekkFFoorrnneeyyCCrreeeekkDDuuttcc hhmmaannssCC rr eeeekkLongLongCreekCreekJJoohhnnssoonnCCrreeeekkGGuutt tt ee rrBBrraan n cc hh GGaarrCCrreeeekkLuciaRiverben d Gi l e a d Beat t i esFor d16 73 273 2145 HDR Engineering, Inc.of the Carolinas License Number: F-0116440 South Church Street, Charlotte, NC 28202 LOCATION MAPRIVERBEND STEAM STATIONDUKE ENERGY CAROLINAS, LLCGASTON COUNTY, NORTH CAROLINA DATE FIGURE May 31, 2013 4.4-1 2,000 0 2,000 4,000 6,000 SCALE (FEET) Notes:Dashed river mile line begins with mile 0 at the confluence of the Wateree River with the Congaree River. 642 643 644 645 646 647 648 649 650 3-Feb 10-Feb 17-Feb 24-Feb 3-Mar 10-Mar 17-Mar 24-MarWater Surface Elevation (ft) Figure 4.4-2 Riverbend Ash Basin Assessment MW-13 and Mountain Island Lake Water Level CF Tailwater MI Lake at Dam MW-13 644.45 644.89 643 644 645 646 647 648 649 650 3/7/13 0:00 3/7/13 6:00 3/7/13 12:00 3/7/13 18:00 3/8/13 0:00 3/8/13 6:00 3/8/13 12:00 3/8/13 18:00 3/9/13 0:00Water Surface Elevation (ft) Figure 4.4-3 Riverbend Ash Basin Assessment MW-13 and Mountain Island Lake Water Level March 7-8, 2013 CF Tailwater MI Lake at Dam MW-13 644.35 645.67 641 641.5 642 642.5 643 643.5 644 644.5 645 645.5 646 0.00 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0.90 1.00 13-Feb 20-Feb 27-Feb 6-Mar 13-Mar 20-Mar Water Surface Elevation (ft) Rainfall (in) Figure 4.4-4 Riverbend Ash Basin Assessment MW-13, Mountain Island Lake Water Level, and Rainfall MI Rainfall CF Rainfall MW-13 MI Lake at Dam 718.59 716.77 716.57 715.97 714.91 715.74 715.25 714.61 714.77 716.66 716.43 715.83 714.71 715.56 715.07 714.4 714.51 708.35 707.52 707.03 705.83 705.96 706.49 705.59 704.76 709.46 708.56 708.14 706.85 706.94 707.71 706.59 705.74 711.55 710.57 710.32 708.82 708.99 710.26 708.46 707.63 700 702 704 706 708 710 712 714 716 718 720 05/22/10 08/20/10 11/18/10 02/16/11 05/17/11 08/15/11 11/13/11 02/11/12 05/11/12 08/09/12 11/07/12 02/05/13 05/06/13Water Surface Elevation (ft) Figure 4.5-1 Riverbend Ash Basin Assessment MW-7SR/D and MW-8S/I/D Groundwater Elevations MW-7D MW-7SR MW-8D MW-8I MW-8S 668.60 668.43 668.44 669.00 668.57 668.47 668.95 643.69 644.00 643.34 643.75 644.44 643.77 643.88 644.20 655.42 655.65 655.05 655.37 656.03 655.21 655.42 655.79 644.63 643.97 644.44 644.75 644.26 644.18 644.70 647.98 648.17 647.99 647.96 648.75 648.28 648.10 648.41 640 645 650 655 660 665 670 675 05/22/10 08/20/10 11/18/10 02/16/11 05/17/11 08/15/11 11/13/11 02/11/12 05/11/12 08/09/12 11/07/12 02/05/13 05/06/13Water Surface Elevation (ft) Figure 4.5-2 Riverbend Ash Basin Assessment MW-9, MW-10, MW-11DR/SR, MW-13, MW-14 and MW-15 Groundwater Elevations MW-9 MW-10 MW-11DR MW-11SR MW-13 MW-14 MW-15 4.5 5 5.5 6 6.5 7 7.5 Nov-10 Feb-11 May-11 Aug-11 Dec-11 Mar-12 Jun-12 Oct-12 Jan-13 pH Figure 4.7-1 - Riverbend Ash Basin pH - Shallow Monitoring Wells MW-7SR (BG)MW-8S MW-8I MW-9 MW-10 MW-11SR MW-13 MW-15 pH 2L Std. 6.5 - 8.5 4.5 5 5.5 6 6.5 7 7.5 Nov-10 Feb-11 May-11 Aug-11 Dec-11 Mar-12 Jun-12 Oct-12 Jan-13 pH Figure 4.7-2 - Riverbend Ash Basin pH - Deep Monitoring Wells MW-7D (BG)MW-8D MW-11DR pH 2L Std. 6.5 - 8.5 1257904955322855202211581101001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐3 ‐Riverbend Ash BasinBackground Wells MW‐7SR & MW‐7DIronMW‐7DMW‐7SRNote: Iron concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Iron 2L Std. 300 µg/L 264013307779541480132020501720110100100010000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐4 ‐Riverbend Ash BasinMW‐7D vs Deep WellsIronMW‐7D (BG)MW‐8DMW‐11DRNote: Iron concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Iron 2L Std. 300 µg/L 10100100010000100000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐5 ‐Riverbend Ash BasinMW‐7SR vs Shallow WellsIronMW‐7SR (BG)MW‐13MW‐9MW‐8IMW‐14MW‐10MW‐15MW‐11SRIron 2L Std. 300 µg/L 125790495532285520221158787643812942976853618497020040060080010001200Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐6 ‐Riverbend Ash BasinMW‐7SR vs MW‐8IIronMW‐7SR (BG)MW‐8IIron 2L Std. 300 µg/L 12579049553228552022115824401110106046418703815691950050010001500200025003000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐7 ‐Riverbend Ash BasinMW‐7SR vs MW‐9IronMW‐7SR (BG)MW‐9Iron 2L Std. 300 µg/L 125790495532285520221158171014201476343107223579020040060080010001200140016001800Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐8 ‐Riverbend Ash BasinMW‐7SR vs MW‐10IronMW‐7SR (BG)MW‐10Iron 2L Std. 300 µg/L 12579049553228552022115848613887633930280100200300400500600700800900Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐9 ‐Riverbend Ash BasinMW‐7SR vs MW‐11SRIronMW‐7SR (BG)MW‐11SRIron 2L Std. 300 µg/L 125790495532285520221158135001900018300206001930019200230002110010100100010000100000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐10 ‐Riverbend Ash BasinMW‐7SR vs MW‐13IronMW‐7SR (BG)MW‐13Iron 2L Std. 300 µg/L 125790495532285520221158554378175589352069810401002003004005006007008009001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐11 ‐Riverbend Ash BasinMW‐7SR vs MW‐14IronMW‐7SR (BG)MW‐14Iron 2L Std. 300 µg/L 1257904955322855202211582272741983994555580100200300400500600700800900Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐12 ‐Riverbend Ash BasinMW‐7SR vs MW‐15IronMW‐7SR (BG)MW‐15Iron 2L Std. 300 µg/L 1 10 100 1000 Nov-10 Feb-11 May-11 Aug-11 Dec-11 Mar-12 Jun-12 Oct-12 Jan-13 µg/L Figure 4.7-13 - Riverbend Ash Basin Background Wells Manganese MW-7D MW-7SR Manganese 2L Std. 50 µg/L Note: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation. 1101001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐14 ‐Riverbend Ash BasinMW‐7D vs Deep WellsManganese MW‐7D (BG)MW‐8DMW‐11DRManganese 2L Std. 50 µg/LNote: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation. 10100100010000100000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐15 ‐Riverbend Ash BasinMW‐7SR vs Shallow WellsManganeseMW‐7SR (BG)MW‐13MW‐8IMW‐8SMW‐15MW‐9MW‐14MW‐10MW‐11SRManganese 2L Std. 50 µg/L 256 413 304 167 113 122 67 43 123 135 144 135 133 126 104 90 0 50 100 150 200 250 300 350 400 450 Nov-10 Feb-11 May-11 Aug-11 Dec-11 Mar-12 Jun-12 Oct-12 Jan-13 µg/L Figure 4.7-16 - Riverbend Ash Basin MW-7SR vs MW-8S Manganese MW-7SR (BG)MW-8S Manganese 2L Std. 50 µg/L 256413304167113122674353829043523239231680100200300400500600Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐17 ‐Riverbend Ash BasinMW‐7SR vs MW‐8IManganeseMW‐7SR (BG)MW‐8IManganese 2L Std. 50 µg/L <10<10<10<10<10<10<10<10743671622535452174821431101001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐18 ‐Riverbend Ash BasinMW‐7D vs MW‐8DManganese MW‐7D (BG)MW‐8DNote: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Manganese 2L Std. 50 µg/L 2564133041671131226743282147876268252549050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐19 ‐Riverbend Ash BasinMW‐7SR vs MW‐9ManganeseMW‐7SR (BG)MW‐9Manganese 2L Std. 50 µg/L 256413304167113122674319824272355674823233050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐20 ‐Riverbend Ash BasinMW‐7SR vs MW‐10ManganeseMW‐7SR (BG)MW‐10Manganese 2L Std. 50 µg/L 2564133041671131226743384593024171612050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐21 ‐Riverbend Ash BasinMW‐7SR vs MW‐11SRManganeseMW‐7SR (BG)MW‐11SRManganese 2L Std. 50 µg/L <10<10<10<10<10<10<10<10168103871019287881101001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐22 ‐Riverbend Ash BasinMW‐7D vs MW‐11DRManganese MW‐7D (BG)MW‐11DNote: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Manganese 2L Std. 50 µg/L 2564133041671131226743109001120010400100001030010300103001050010100100010000100000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐23 ‐Riverbend Ash BasinMW‐7SR vs MW‐13ManganeseMW‐7SR (BG)MW‐13Manganese 2L Std. 50 µg/L 25641330416711312267432705543193353562018050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐24 ‐Riverbend Ash BasinMW‐7SR vs MW‐14ManganeseMW‐7SR (BG)MW‐14Manganese 2L Std. 50 µg/L 256413304167113122674355648186524649050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13µg/LFigure 4.7‐25 ‐Riverbend Ash BasinMW‐7SR vs MW‐15ManganeseMW‐7SR (BG)MW‐15Manganese 2L Std. 50 µg/L 1257904955322855202211581322.82.86.34.41.80.81.31.30246810121416180100200300400500600700800900Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐1 ‐Riverbend Ash BasinMW‐7SRIron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 2564133041671131226743492.82.86.34.41.80.81.31.301234567060120180240300360420Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐2 ‐Riverbend Ash BasinMW‐7SRManganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 123135144135133126104909913.218.010.07.916.06.87.72.8048121620240255075100125150Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐3 ‐Riverbend Ash BasinMW‐8SManganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 7876438129429768536184973832.220.417.737.232.238.723.019.80102030405060020040060080010001200Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐4 ‐Riverbend Ash BasinMW‐8IIron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 5382904352323923168<532.220.417.737.232.238.723.019.80714212835420100200300400500600Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐5 ‐Riverbend Ash BasinMW‐8IManganese and TurbidityManganese, totManganese, dissTurbidityNote: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Manganese2L Std. 50 µg/L 26401330777954148013202050172071217.060.025.027.441.476.0100.044.004080120160200240050010001500200025003000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐6 ‐Riverbend Ash BasinMW‐8DIron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 7436716225354521748214319217.060.025.027.441.476.0100.044.003060901201501802102400100200300400500600700800Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐7 ‐Riverbend Ash BasinMW‐8DManganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 2440111010604641870381569195013139.029.521.212.649.714.314.437.00204060801001201401601800300600900120015001800210024002700Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐8 ‐Riverbend Ash BasinMW‐9Iron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 2821478762682525495139.029.521.212.649.714.314.437.00255075100125150050100150200250300Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐9 ‐Riverbend Ash BasinMW‐9Manganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 17101420147634310722357915182.084.16.929.710.73.28.25.20204060801001201401601802000200400600800100012001400160018002000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐10 ‐Riverbend Ash Basin MW‐10Iron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 1982427235567482323336182.084.16.929.710.73.28.25.20255075100125150175200050100150200250300350400Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐11 ‐Riverbend Ash BasinMW‐10Manganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 48613887633930281411.03.46.12.72.41.42.10246810120100200300400500600Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐12 ‐Riverbend Ash BasinMW‐11SRIron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 3845930241716121211.03.46.12.72.41.42.10246810121416050100150200250300350400Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐13 ‐Riverbend Ash BasinMW‐11SRManganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 16810387101928788892.60.73.40.60.20.91.20.00.51.01.52.02.53.03.54.00255075100125150175200Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐14 ‐Riverbend Ash BasinMW‐11DRManganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 1350019000183002060019300192002300021100209005.33.36.47.73.13.22.43.80123456789101112020004000600080001000012000140001600018000200002200024000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐15 ‐Riverbend Ash BasinMW‐13Iron and TurbidityIron, totalIron, dissTurbidityIron 2L Std. 300 µg/L 1090011200104001000010300103001030010500104005.33.36.47.73.13.22.43.8024681012020004000600080001000012000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐16 ‐Riverbend Ash BasinMW‐13Manganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L 5543781755893520698104<1025.614.46.112.94.31.92.03.903691215182124273001002003004005006007008009001000Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐17 ‐Riverbend Ash Basin MW‐14Iron and TurbidityIron, totalIron, dissTurbidityNote: Iron concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Iron 2L Std. 300 µg/L 2705543193353562018<525.614.46.112.94.31.92.03.90510152025303540050100150200250300350400Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐18 ‐Riverbend Ash BasinMW‐14Manganese and TurbidityManganese, totManganese, dissTurbidityNote: Manganese concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Manganese2L Std. 50 µg/L 227274198399455558<1013.210.810.98.02.74.23.4024681012141618050100150200250300350400450Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐19 ‐Riverbend Ash Basin MW‐15Iron and TurbidityIron, totalIron, dissTurbidityNote: Iron concentrations reported as less than laboratory reporting limits have been set equal to the reporting limit for graphical representation.Iron 2L Std. 300 µg/L 556481865246494913.210.810.98.02.74.23.403691215020406080100Nov‐10 Feb‐11 May‐11 Aug‐11 Dec‐11 Mar‐12 Jun‐12 Oct‐12 Jan‐13NTUµg/LFigure 4.8‐20 ‐Riverbend Ash BasinMW‐15Manganese and TurbidityManganese, totManganese, dissTurbidityManganese2L Std. 50 µg/L