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Home My WebLink About1107_Buncombe_CDLF_Phase6_WellInstall_FID1320106_20190426BUNNELL � LAMMONS ENGINEERING April 26, 2019 Division of Waste Management - Solid Waste Section NC Department of Environmental Quality (DEQ) 2090 US Highway 70 Swannanoa, NC 28778 Attention: Ms. Jaclynne Drummond Subject: Proposed Location for Groundwater Monitoring Wells MW-17 & MW-17D and Potential Alternate Location for Landfill Gas Monitoring Well M-12 Buncombe County Landfill Alexander, North Carolina Permit #1107-CDLF-1998 BLE Project Number J19-9378-16S Dear Ms. Drummond: As authorized, on behalf of Buncombe County, North Carolina, by SCS Engineers, PC (SCS) acceptance of our Proposal Number J18-9378-16S, dated September 6, 2018, Bunnell-Lammons Engineering, Inc. (BLE) has prepared this document for the subject project. The purpose of the document is to request approval of the location of the subject groundwater monitoring wells in compliance with the approved Water Quality Monitoring Plan (WQMP). Additionally, purpose of the document is to request approval of a potential alternate location of landfill gas monitoring well M-12 in compliance with the approved Landfill Gas Monitoring Plan (LFGMP). PROJECT INFORMATION The prof ect information below is based on our experience at the Buncombe County Landfill. The 654- acre Buncombe County Landfill site is located approximately nine miles north of the city of Asheville with a physical address of 81 Panther Branch Road in Alexander, North Carolina. Buncombe County owns and operates a Subtitle D municipal solid waste (MSW) landfill which includes Cell 1 through Cell 6 (operational), Cell 7 (permitted), and a C&D landfill consisting of Phase 1 through Phase 5. The county plans to expand the C&D landfill constructing the recently permitted Phase 6 area (in progress). The WQMP and LFGMP were finalized and submitted to the North Carolina Solid Waste Section (SWS) and were approved on January 2, 2018 (DIN 28513 & 28514). Existing Phase 6 piezometers B-808S and B-808D were located in the proposed location for groundwater monitoring well pair MW- 17 and MW-17D as specified in the WQMP. BLE submitted a demonstration to the SWS concerning conversion of the piezometers to permanent groundwater monitoring wells on May 8, 2018 (FID 1200768). The SWS reviewed the demonstration and replied on May 15, 2018 (FID 1200777) stating that the request to convert was not approved. In subsequent telephone conversations, the SWS requested that BLE submit maps to the SWS to indicate the proposed locations to install groundwater monitoring well pair MW-17 and MW-17D to meet the requirements described in 15A NCAC 13B .0544(h). '6004 Ponders Court Greenville, SC 29615 11,864.2B8.1265 A,B64,2BB,4430 06info@hlecorp.com BLECORP.COM 1s 1m 1i Buncombe County Landfill —Alexander, NC April 25, 2019 BLE Project Number J19-9378-16S Proposed Locations for MW-17/MW-17D Well Pair SCOPE OF SERVICES Well Location Plan Review On April 23, 2019, representatives from Buncombe County, McGill Associates, and BLE conducted an on -site meeting to review plans for the buildout of the northern portion of Phase 6 and potential locations for the subject well pair. It was noted prior to the meeting that conceptual grading plans for the area north of the Phase 6 boundary included the placement of up to 10 feet of fill soils. Since installation of wells in this area would be problematic, the limits of this area were defined prior to the meeting. Survey of Limits of Disturbance A portion of the western boundary of the limits of fill (conceptual) were staked by a NC registered surveyor prior to the subject meeting. This area was clearly marked prior to location of potential well locations in the field. Well Location Field Review A revised MW-17 / MW-17D well pair location was selected based on the limits of fill marked in the field and on site accessibility. The proposed well pair location is shown on Figure 2 and Figure 3 which have been revised from the WQMP. Alternate Location for Landfill Gas Well M-12 Near surface rock was observed during selection of the revised MW-17 / MW-17D well pair location which is also the approved location for landfill gas monitoring well M-12. Since a landfill gas monitoring well cannot be installed into rock, we have selected a potential alternate location for landfill gas monitoring well M-12 if installation of the well is not possible at the primary location. The alternate location is shown on Figure 2. CLOSING We appreciate the opportunity to work with the SWS on this project. We request SWS approval for the revised location of groundwater monitoring well pair MW-17/MW-17D and the potential alternate location for M-12. If you have any questions or comments, please contact us at (864) 288-1265. Sincerely, BUNNELL-LAMMONS ENGINEERING, INC. At/ Andrew W. Alex nder, P.G. RSM 0o, Senior Hydrogeologist ��`�``�N CAF? pt�'%,� Registered, North Carolina #1�;,�.d ENjgft F'�.N-� Attachments: Figures 2 and 3Z _ r • C .- cc: Mr. Dane Pedersen — Bun o r Mr. C. Ed Hilton, Jr., P.E. �0L s:W awaprojectslmcgilhbuncombe demonstration piezo conversion to n Daniel P. Osbourne, P.G., RSM Senior Hydrogeologist �� CA,,Y d",,p ...... Registered, North Carolina #20 d¢ ••• °�.,ze/ •• SEAL • Cathey, P.E. — McGill 2071 +su i Gaither, P.E. — SWS - ARO�`•e N(,+�,�1z,. N . c® 6a well installation lreportldemonstrationl44�8-FS be(•vv*b�•�0$() �re�igoelloer��'�� 2 FIGURES 4/ 1 / 1 CONVENIENCE CENTER 1 LANDFILL OFFICE r BUILDING B L � EVIN BR ♦ .. � - y ♦ .�� . �� "' _ t WELL s - i / M-4 - SW-2 SW-5 HOUSE MW-2 � SW-6 SCALE HOUSE ` `\ / •��M W 16 -, MW-2D ` r'� �' � MW-16D / M W -13 �e 1 MW-3R -zozo ICI''== - ,\\,`;•;��o:+` 01, Nil PANTHER BRANCH-<� FLEW) 1 BMW 10D,� (� z0oo — —� ?1�AA��AVA�AVAVA�V`VAA�A\ sEo�MFNr VA',�A I I�"�i �� —� AA\\VAV�VV�\\\�\�\�� VA,�( MW-4---------- -- -� --�D- - - - - - ---------------------JI`\�Ill�lili\�„` y�\ T rr, / i -- LSW-7 ♦ MW-4D 21 1 I 1 \\ \\�. ; I I \ _ \ \ 1 ell M-10 MW-5P/ ®MW-15S SW_3 �W-5 / INACTIVE 1 INACTIVE W-15D ,& CELL 3 1 1 CELL 4 INACTIVE I I I CELL 1 1 I 1 PERMITTED SW-4 i -1 I 1 I FUTURE MW-14 I ` Q � 1 1 ------ � CELL 7 ®MW-14D MW-6 A � - - ACTIVE i WIThI CELL 6Ile ALTERNATE I / BUNCOMBE COUNTY EMERGENCY SERVICES / INACTIVE RADIO TOWER \ �� CELL 2 I INACTIVE vv �� CELL 5 M-12 *❑MW-17 \ ♦� -� I /, MW-17D - - - - - - - - - - - - - - - - �EXISTING BMW-7 — 0 PHASE 1-5 — 0`4 — C&D AREA M2 — / � � �� TIE MW 11 �� I FUTURE CELL 10 ` PROPOSED / • L E A C H A T E BLOCK 1 PHASE 6 \ POND EMPLOYEE BUILDING TRAILER i / GARAGE I // FUTURE FUTURE (MAINTENANCE BUILDING) _ I / CELL 9 I CELL 8 ` � � HHW �060'� - 1 10 BUILDING I �/ 00 10 9 �- - - - - - - - - - - - - - - - —MW-1 2O'0 MW-1DQ5 j o lb / �IS30 �♦�ua" IR-own rimm", nwo "vows `.0m'-2FRENCH BROAD RIVER 4 � o y �� >90 nlaw LEGEND —1980 TOPOGRAPHIC CONTOUR - - - - - WASTE UNIT BOUNDARY � I I � FACILITY BOUNDARY MW-10 EXISTING GROUNDWATER MONITORING WELL �MW- 16 PERMITTED FUTURE GROUNDWATER MONITORING WELL ❑ MW-17S PROPOSED GROUNDWATER MONITORING WELL EXISTING SURFACE WATER SW-2 MONITORING LOCATION PROPOSED SURFACE WATER SW-7 MONITORING LOCATION * LD-1 LEAK DETECTOR * LD--7 PERMITTED FUTURE LEAK DETECTOR REFERENCES: 0 M-3 EXISTING LANDFILL GAS MONITORING WELL M 1) SHEET NO. 1 GROUNDWATER AND METHANE MONITORING WELL LOCATIONS, CDM SMITH, PROJECT NO. 6447-105257. FILE: SITEMAP 2014.DWG. 2) PHASE 6 C&D BOUNDARY PROVIDED BY MCGILL. M-5 PERMITTED FUTURE LANDFILL GAS MONITORING WELL 3) SHEET NO. OP-1 EXISTING CONDITIONS, CDM SMITH, PROJECT NO. 6447-97693. FILE: OP-1.DWG. * M-12 PROPOSED LANDFILL GAS MONITORING WELL 4) FIGURE NO. 3-1 WATER QUALITY MONITORING PLAN CELL 6 AREA, CDM, PROJECT NO. 6447, DATED NOVEMBER 2004. ■ EXISTING STRUCTURE MONITORED FOR LANDFILL GAS N�` O JGENS.,->� NOTES: LOCATION ACCURACY 200 100 0 200 400 -� zrZO pF 5 \ ��; 0 F THE FEATURES APPROXIMATE SCALE IN FEET oLoa . SHOWN IS LIMITED BY THE REFERENCES THEMSELVES. REVISIONS No. DESCRIPTION BY DRAWN: KLW CHECKED: AWA APPROVED: AWA DATE: 4-24-19 CAD FILE: BCLFI6S-FIG2 JOB NO: J19-9378-16S is 1IM I BUNNELL BUNNELL ENGINEERING 6004 Ponders Court, Greenville, SC 29615 Phone; (864) 288-1265 Fax; (864) 288-4430 WATER QUALITY AND LANDFILL GAS ENVIRONMENTAL MONITORING SYSTEMS BUNCOMBE COUNTY LANDFILL ALEXANDER, NORTH CAROLINA FIGURE NO. 2 - / M ONTOR N G LOCATION LEGEND\ \ \I\ \\ \�\ \\\\\\\�B-609 MW_12MW-12D =_\_\,i;l' , \ \ \ \ \ B-624D LOCATION OF PIEZOMETER \ \ _ - - - - - ® \ \ \ EXISTING SED. - I ►III III \ \ \ \\ \ \\ \\\ \ \\` ,\\;,\�„`-�\\ ,\\\\\\\\\ \:\\\ \\\\\`\ /; rr N0. 11 LOCATION OF ABANDONED PIEZOMETER \ \ \ / 1 \\ \ \ \ \ \\ \ \\\ 1"� _ - -� 1 / Ill I I / / / \ \\ \ \ \ \ B 409 � \ \ \ \ I // \ 111111\ IIIII \11\\ \\\\\\\\��\\11\I�il\\\\QIIIIIIi 8-227 --JI IIIIII IIIIII lllllll IIII ll I I III IIIII (// i / i /^ \ � �� \\\\\� �\��\\\\ \\\ \ _613 IIII B \ \ \ \ \ �------- - ------ MW-12 LOCATION OF GROUNDWATER MONITORING WELL wIII \ MW-17 \ \ \ \ I�--I� \\ I PROPOSED LOCATION OF GROUNDWATER MONITORING WELL PAIR II IMW-17D \` \ B-401 ♦/ ♦ \.♦ LOCATION OF ABANDONED GROUNDWATER Illl\ \\ \\\\\\ \\ \\\\ \ \\\\\\ \ B-605 EXISTINGSEDMONITORING WELL �\\r\ \\ /// / // , // - // / /// / /// // // //I/I ( 1111/;,''I�I';";; %1I;1; I►;,;IIIIIIIIIIIIII;;I;;;,IIIIIIvI ,';I�1I;1;,11; 11;;, 1\1;1,;11I11I1\I11;11\11\11111'1';\111`1'I1\1�1111\'I'I\'1'I\'1\I1I,',I''1'`I\','` I1' I�\I`\II1,1I\ `I'I � II \ `,',\\\1'\\\1\`\I\\\\\\'\1\\ \I\\\1\\`\'\'\1\\`\\'1\`\\\\`\\`\\I\1\I,\\, \I\\\1\\1\\1\'\'\,I'\1\1`\�',\1\ \ \ \ \ / -/ / ✓ // //ll // // J III I 1 I I //// / / /// / / / // // / / ll l ) r 1 v� � \ \\\ \ \ \ / / l // ' / /l 111 l I IIII, , 111 I 1 1 I11 I I I I, \ 1 \1,1 111 ' 11, III I \ \ \ \ \ I \ \ / // / -- , / l/ /i/ /// IIIIIII ll►II PIOND N0. '13 1 OIIII Jill' B-613 LOCATION OF BORING ;l///;/%i;/;'1il1l,/''!;l%Il;i1Il;Ii1;l;Ii1';Il1; lI;';I ;;II'1 IlIIIl;l!/Ii;iIiIJ ;l/IlII' IIIIIIIiIiIIIiII l lIil\lllfi(liIllIfllIl;lllI'i;l'i;liII1l;1lI1l1I1';1IIIIII'IlIII1I'lI'ilI Il \0, ® B_ 606 � 19\\57\\.5\6 \\\\\\ �\\\\\\\\I \\ \\\ \ \\ '\\Q`\\\\ \\\\\ \\ \I\ ,I\\l\ \\\\\\\\\-\�\\`\ \\�\^\\\\ 113-628 l////l\�\\\r�\�I\\_�\;- ��\- \\�_�\\ ,\\\\\\�\ �,\\\\ \\\\\\\\ ��\ �\��\\\�\�_-=-,__ -_ _-_--- -i-_ -_--_-_e-_U- ___,'_-_i�-,/'- -=/�/ "� %=///%:i r/'�"e,,�'/"y/ ;;"/1="/=-�";,//'•'"/"%'',=�/='==r',=i�,,' %;',./';-"',� ;//� /�„'�,;;;,'/;'/'%,/ ',�/�"/,ii /,;/';%'i �,;!%�,/,,;/�,;,�,;/-,'„�,,%;';;�M_';W/,i�'' 9 1876.99 B-808S B-607 \\\ MW9DPROPOSED ,,, 3-626 1875.43 B-8o8D 8-627///////,MW_17/MW 17D /;,!/;''//ii,,/,i%ii/,!%//;, /;��;///// ;;�;/,�/;',✓,%;%'/�//' i/ '/!;;/,///�;�;',//iI; %/,/,�;/,%%'i///'//'% ///;;/;i,i/ /l,//,//,�;', /'/,/ %/I//;%%//,//i'//'/!I/'l///I;,I/��/',i,%I;�I /lI/I�/�,;�;I,/;%'/'i/'�/I/,%I//i,I/I/IIi"' ,I/'I%,ll,' ,;/I;�/I/l,;/�l,/';,;'IIi r�,/,; ,l%//1',l,'%;'1I,l%/l1l,,JIl'l;/lil1";,�ce1Ij I _i -�/";'�/,/'l/,% ///;//;iIiII„;I;llI;II/; iJ,i;IJI/I//iII!lIII;/Ir;l;Il'I/I;Il �l,;II;I;;J,,/J'i;IllI ;;,IIl,;',l!I/IiIli; ,I''l/iI;I1;lI1lII;;,ilI'I;,I, I;;I;!I III;I,J;;l;I;lIi/I/l;1IIlIi, l; 1l;I'f;i/I1%,I'lil'll 1;I;l il I l 1l WE/L,L /PAIR B \.-\6-`03\j ___-_-__--_- - ;B-6'0.2 B-402 ', \ I \ - ,.\ \ \\ \ \ \\ \ \ - -\ \ \ \ \ \ I \ \ 1I 1 I II II II I ► II , I \ \ \ I II I I \ \ �/ \/\ \/\�\ \\ \\\ \/\\\\1\\\ 1\\ \1 \ \\ \\\ \\\\\\\\\ \�\\\�\\\J\ �\ \�< /\ \\ \\ I �\`�1\\1 \\\1�\\\`1 \�� \ \�\\1 \\\\ \ \\1\\ \\\\\\\\ \\ \ �\ \\1\\1 \\\ 1\\\11 I\\lI\1 I\ lI \ 1I 1\ 11I I1II\IIII\/II\/ I /I,I / ///�M,W/- �1--,7 EXISTING CBBi,,4'r 02H MW-17D: _ PHASES1-5 1 5 \ - / � lj IIIII J IIII I I 1 � \Il III I I I ,_-- \\ \ III I I11 IIII Ill/ I Ill l / /// // llI , I I I ,;- ,,, ,\�,\,,•`'I �..,�,; ,�,_ ;--'%,'„ ,�,, 'r', i,'„','/,�/,/,',;, IIII IIII 8-807 � - _--- (\\ \ \ \ \ \ � \ \ � ��,;�,\�� __--___--_-� ------ - - 9� --- ____________ 1947.68\ \ \ \\ \ \ \ \ \ \ I - `= '/�<_ -__ --------------- B 600 _ �� TOPOGRAPHIC 8c GEOLOGIC LEGEND -- \ - - - - - TOPOGRAPHIC SURFACE CONTOUR IN FEET ABOVE MSL _�--' - --_-_-- - �--_ 7-7- 5--_� - -- ----------- UNPAVED ROAD ---�--- _ �\ �\ � \\ \ � � I / // / / / II / / I I I II II II I / Ir II I 1 II I I I II II II I 1IIII II IIIII I II II I II 1III 1III I I I II I III I III II II III IIIII II II I I II IIIIII III IIIII II II IIII IIlI I II IIIIIIIIIIII I I1IIII I III1I I1► IIII/I I III II(III/II I/I ► I /I I I I, lI II I I I I/IiII/I(III1// I I 1/ III IJ �III Ir - ,IJ I I I/I I ► II III II II11 I II I I1I II I,II 1 ) , I I 1 I 1I II I IIIII1 I II II1I IIIII1l I1III\III1I \I1 1 I \ 1 1II 1I1 IlII1lII � \II1I 1� 1/ � \I I \ t_\\\ / \// /`\ /'�// //-/ // f%///_/ //�/,l//lb/// // // /,/ / / //l///////,//// / ///// // ////// //// ////////////, /////////,////// ////// //////// /////// //I// /// / / /�/ ////� // ///// � / �\ �/ \ \�\\\ \ \\\ \\\\�`�\\ \\\\�\ � \� \\\ \ �;\ \\ \\�\ \�\ \\\ \\ �\�, \ ; �\�_\� \ �\_-\\\_ - - _�� \_\\ \ \\ \\\\\I��I�\ lI I1�I/\--\\ 1 /\\ 1 , I\ l //\1/ /11I�/1 1)/ / 1I\ I /\\I = \1I\\\I\-) \ l�I \\ \\\I \I \1 II 1I 1\ 1I1\ I I\ 1I \\\ \c \\\ \ \\ II I \ 1 II \1 \ \I 1\ \�I \\ \\\\ �\ \\\ \\\\\\\ \\ \ \ \1 I \\\ I \\\\I I\ �� I\I\I\ I \\ I\I \�\I \l \I I\ I\\I\\I \\I I1 \I\\I'\ \II\ \\ I1 \\\ \ \\ \\\ \ \\ \\ \\\ `\- I \ 1\ \\ \\�11 �1 I 1 �I I �/ Il 1 ♦'\ „\\\\'1,\`�\�,\\; 1�'�_-=,�1�_�\ ,\ _��1`_��,�`__-\� - '-,-----__-----__--_--__-- _-------------- ----------B----------6---------0---_----1 --------------------- CONTOUR __---_-__----_-_-----_---__---------- ----- INTERVAL 2 FEET ---------- --_--------------__--B-806 I __--____- ---_----_---_---_ _-_----__-- -----_- --_=--_--_--_-_--_----_-_-=--_--- --___. '-_-= -_-"_--�--- --'' - -%,- --��-/_"_%- ' _ _7WATER B _____= 1978.4 _____-------__ %- " --\ ,\_1_---\--__------ \- PERMITTED BOUNDARY OF C&D PHASE 6 - _____-\_-\-_--__-_-___B ; =7'A --------- lIl \o -______-_APPROXIMATE BOUNDARY OF EXISTING C&D PHASES 1-5 g(C/ I I I I I I 1 I l I III I / / J III I II II I 1 IIIII I 1I la�1 l 11 / 111 I I II �I\I \\ l \ l 1 \// II/I//I1 // IIIIIIII IIII ( I I I I I II IIlIIIIl 1 /! \\\ \\\\\ \\\ \\ \\\ \\ I ✓ // / /l / / i // / I 1 I I I I I 1 1 I I I I I11 1 11 \ \ 11 \1 \\ \\ \1 rI> I I > rI l/ lI l (l 1 (1 1 I Il (l �1 rIl l l � B 4,I 09B 805-_-- ------_--_-_--_-_--_- GROUNDWATER ELEVATION CONTOUR --_-_-1980 -'; IN FEET ABOVE MSL (CONTOUR INTERVAL 10 FEET).1I1I 1914.34 I1I,/ BC-128---1l --------_- ---- ----_----- --�=- _-__- --_-_-_- GROUNDWATER ELEVATION (FEET MSL B 624D /,ti/2021.30 I 953.08 B 624s _ \\\`1 II1962.3GROUNDWATER FLOW DIRECTION , j !1 I I ' ------- -404404 �NOTEs: B B-4 / --- , / INI \ \ So , I I III 1 1 \ \IIIIIII \ \ \ \ \ \ 1 \\ \ r ` / / I 1 III I I 1. 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TOPOGRAPHIC INFORMATION FROM MARCH 2O17 PROVIDED BY ED HOLMES - - - - - _ \ / \ \ \ \ \ / / / - - - \ _ AND ASSOCIATES, INC. N - B-1 / 2. PHASE 6 C&D CELL BOUNDARIES PROVIDED BY McGILL AND ASSOCIATES, INC. AND OTHER CELL BOUNDARIES PROVIDED BY ETC, PLLC. -- I//-_- / ��/ O \ \ / / / \ \� \ / I I I l III I � l I (� ✓ �/ � / // / �-_ BC-133 \ REVISIONS No. DESCRIPTION BY DRAWN: MSP CHECKED- DPO/AWA APPROVED: AWA DATE: 4-24-19 CAD FILE: BCLFI6S-FIG3 JOB No: J19-9378-16S is IM IM BUNNELL LAMMONS ENGINEERING 6004 Ponders Court, Greenville, SC 29615 Phone: (864) 288-1265 Fax: (864) 288-4430 GROUNDWATER ELEVATION CONTOUR MAP: APRIL 17, 2017 BUNCOMBE COUNTY LANDFILL - PERMITTED PHASE 6 C&D ALEXANDER COUNTY, NORTH CAROLINA FIGURE NO. 3