8003_RowanCountyGrounwaterWellInstall_GWMR_20170809

Golder Associates NC, Inc. 5B Oak Branch Drive
Greensboro, North Carolina, 27407
Tel: [phone] Fax: [phone] www.golder.com
Engineering Lic. No. C-2862/Geology Lic. No. C-399
Golder Associates: Operations in Africa, Asia, Australasia, Europe, North America and South America
August 9, 2017 0636572017

Ms. Jackie Drummond
Department of Environmental Quality
Division of Waste Management - Solid Waste Section
2090 US Highway 70
Swannanoa, North Carolina 28778
[e-mail]
RE: SUMMARY OF REPLACEMENT GROUNDWATER MONITORING WELL INSTALLATION
ROWAN COUNTY LANDFILL, PERMIT NO. 80-03
ROWAN COUNTY, NORTH CAROLINA
Dear Jackie:

On behalf of Rowan County, Golder Associates NC, Inc. (Golder) is submitting the enclosed letter report
summarizing the installation of groundwater monitoring well MW-28R at the active Rowan County
Municipal Solid Waste (MSW) Landfill in Woodleaf, North Carolina (NC). The groundwater monitoring
well was installed in accordance with the Title 15A of the North Carolina Administrative Code (NCAC),
Subchapter 2C Section .0100 (the North Carolina Well Construction Standards) as a replacement well for
MW-28 as approved in your correspondence dated December 13, 2016.
On July 11, 2017, a Golder licensed geologist provided oversight for the installation of groundwater
monitoring well MW-28R. The well was installed by South Atlantic Environmental Drilling and
Construction Company, Inc. (SAEDACCO) of Fort Mill, South Carolina, a NC licensed driller. The
equipment consisted of a Gus Pech Brute drilling rig utilizing 4.25-inch inner diameter (ID) hollow stem
augers (HSAs).
The boring was advanced with HSAs to a depth of approximately 32 feet below ground surface (bgs).
The monitoring well was constructed with 2-inch schedule 40 polyvinyl-chloride (PVC) screen and riser
pipe. The 0.010-inch slotted screen was installed from 17 to 32 feet bgs. The filter pack consisted of
Driller Service Inc. (DSI) #2 sand from 15 to 32 feet bgs. A filter pack seal was installed from 13 to 15
feet bgs and consisted of 3/8-inch bentonite chips. The remaining annular space was filled with Type I
Portland cement. The surface completion consisted of a lockable steel protective casing and a 3-foot by
3-foot by 0.5-foot concrete apron. The boring / well construction log and Form GW-1 Rev. 8/13 are
provided as Attachment A. The monitoring well construction is also summarized on Table 1.
The well was developed on July 13, 2017, utilizing an air lift pump system until field parameters stabilized
and relatively sediment-free water was obtained. The well was developed for approximately 2.5 hours.
During that period of time approximately 48 gallons of water were removed to achieve a turbidity of less
than 10 nephelometric turbidity units (NTUs). The well development forms are provided as Attachment B.
The well was surveyed by Ribelin Land Surveying, Inc. A sealed survey letter is provided as Attachment
C. The location of MW-28R is shown on Drawing 1.
The replacement well MW-28R was sampled during the routine semi-annual sampling event in July 2017
and results will be submitted under separate cover. Should you have any questions or require additional
information, please do not hesitate to contact the undersigned at [phone]. We appreciate your
assistance with this project.

ATTACHMENT A
BORING AND WELL CONSTRUCTION LOGS AND WELL CONSTRUCTION RECORDS
2.00 2.00
2.00 2.00 1.40 2.00
1.50 2.00
1.80 2.00
1.90 2.00
1.80 2.00
2.00 2.00
0.00 - 2.00SILTY CLAY, w < PL, some coarse sand,orange-brown mottled red, soft
2.00 - 4.00CLAYEY SAND, coarse sand, poorlygraded, red mottled grey and orange brown,dry, loose
4.00 - 6.00SILTY CLAY, w < PL, red, firm
6.00 - 11.00SAND, poorly graded, medium to coarse,angular, compact, orange-brown mottledgrey, dry
11.00 - 16.00SAND, poorly graded, medium to coarse,angular, loose, grey-brown, mottled white,moist
16.00 - 21.00SAND, poorly graded, angular quartz gravel,10% coarse, light brown mottled white,moist
21.00 - 26.00SAND, poorly graded, coarse quartz andmicaceous sand, 10-20% coarse, angularquartz gravel, compact, light brown, someblack staining, moist
26.00 - 32.00SAND, poorly graded, coarse quartz andmicaceous sand, 20% coarse, angularquartz gravel, compact, light brown andwhite, moist
Boring completed at 32.00 ft
Portlant Type1 Cement
3/8"BentoniteChips
#1 TypeSand
0.010' SlottedScreen
3-2-9-10
8-10-11-15
4-4-5-6
4-6-7-5
4-5-7-8
7-9-9-13
11
21
9
13
12
18SSSSSSSSSSSS681.04
679.04
677.04
672.04
667.04
662.04
657.04
651.04
2.00
4.00
6.00
11.00
16.00
21.00
26.00
1
2
3
4
5
6
7
8
CL
SC
CL
SP
SP
SP
SP
SP
SOIL PROFILE
SHEET 1 of 1
ELEVATION(ft)WELLCONSTRUCTIONDETAILS
SAMPLES
DESCRIPTION
RECORD OF BOREHOLE MW-28R
RECLOCATION: Rowan County, NC
DRILL RIG: Gus Pech BruteDATE STARTED: 7/11/17DATE COMPLETED: 7/11/17
DEPTH(ft)0
5
10
15
20
25
30
35
40
45
LOG SCALE: 1 in = 5.5 ft
DRILLING COMPANY: SAEDACCO
DRILLER: Rich Lemire
GA INSPECTOR: William Ballow
CHECKED BY: Ben Draper, P.G.
DATE: 9/12/17
NORTHING: 731,882.07EASTING: 1,538,013.18GS ELEVATION: 683.04TOC ELEVATION: 685.26
PROJECT: Rowan County - Active LandfillPROJECT NUMBER: 0636572017DRILLED DEPTH: 32 ft
DEPTH W.L.:24.29 ftDATE W.L.:7/11/17TIME W.L.:1129GW ELEVATION:660.97 ft
MONITORING WELL/PIEZOMETERDIAGRAM and NOTES
WELL CASING Interval: 0.0'-17.0' Material: Schedule 40 PVC Diameter: 2" Joint Type: Threaded
WELL SCREEN Interval: 17.0'-32.0' Material: Schedule 40 PVC Diameter: 2" Slot Size: 0.010" End Cap: Schedule 40 PVC
FILTER PACK Interval: 15.0'-32.0' Type: #1 Type Sand
FILTER PACK SEAL Interval: 13.0'-15.0' Type: 3/8" Bentonite Chips
ANNULUS SEAL Interval: 0.0'-13.0' Type: Portlant Type 1Cement
WELL COMPLETION Pad: 3'x3'x6" Protective Casing: AnodizedAluminum
DRILLING METHODSSoil Drill: 4.25 inch HSARock Drill: N/A
BOREHOLE RECORD MW-28R_LOG.GPJ PIEDMONT.GDT 8/8/17N-VALUE140 lb hammer30 inch drop
BLOWSper 6 in
USCSTYPESAMPLE NO.DEPTH(ft)
ELEV.GRAPHICLOG680
675
670
665
660
655
650
645
640
Rich Lemire
2593A
SAEDACCO Inc
X
7-11-2017 MW-28R
ROWAN COUNTY MSW LANDFILL
789 Campbell Rd. Woodleaf, NC 27054 Rowan County,
WOODLEAF, NC, 27054
ROWAN
X
X
1
32'
14'
8"
AUGERS
0 17' 2"SCH40 PVC
17' 32' 2" .010 SCH40 PVC
0 13' PORTLAND POURED
15' 32' SAND 2#
0 10' RED CLAY
10' 32' SAPERLITE
BENTONITE FROM 13' TO 15'.
7/11/2017

ATTACHMENT B
WELL DEVELOPMENT FORM

ATTACHMENT C
SURVEY LETTER

DRAWING 1

i2
i3
i1
660650670
680
690
700
700
690
680
670
660
650
640640
OLD
LANDFILL
ENTRANCE
SCALE
HOUSE
PROPERTY
LINE
100-YEAR
FLOODPLAIN
EXISTING
SEDIMENT
BASIN
EXISTING
SEDIMENT
BASIN
FUTURE
MSW LANDFILL
(PHASES IV &V)
FRENCH DRAIN
SAMPLE POINT
TO SW-1
(SEE NOTE 6)
710
710
EXISTING
SEDIMENT
BASIN
EXISTING
SEDIMENT
BASIN
EXISTING
SEDIMENT
BASIN
MMW-6A
MMW-2A
MMW-3MMW-4
MMW-CD
MMW-5A
MMW-1
MMW-7
MMW-6
702.25MW-9
704.77MW-16
681.68
MW-13
678.41
MW-12
SW-4
663.05MW-23
663.06MW-23A
681.92MW-20
692.72MW-1
680.54MW-24R
658.46MW-6
SW-3
646.06
MW-7
641.64MW-18R
641.94MW-19
706.02MW-17
SW-5
SW-2
MW-25
MW-26
MW-27A
MW-28
654.75655.02
657.51
660.30 MW-27
669.94
MMW-5
MMW-2
MMW-8
674.89MW-11
MW-28R
CONSULTANT
DESIGN
PREPARED
REVIEW
APPROVED
YYYY-MM-DD TITLE
PROJECT No.Rev.
PROJECTCLIENT
Path: \\greensboro\CAD\_2006\0636572 - Rowan Co\PRODUCTION\_G - GW 2017\ | File Name: 0636572017H001.dwgIF THIS MEASUREMENT DOES NOT MATCH WHAT IS SHOWN, THE SHEET SIZE HAS BEEN MODIFIED FROM: ANSI D01 in0636572016
PHASE
100
DRAWING
10
2017-03-03
BSD
MCG
BSD
RPK
ROWAN COUNTY ACTIVE LANDFILLS
PERMIT NO.80-03
ROWAN COUNTY, NORTH CAROLINA
ROWAN COUNTY
GROUNDWATER CONTOUR MAP
JANUARY 17, 2017
0
FEET
250 500
SCALE
EXISTING TOPOGRAPHIC CONTOUR
FACILITY BOUNDARY
APPROXIMATE LIMITS OF WASTE
GROUNDWATER SURFACE CONTOURS
APPROXIMATE GROUNDWATER FLOW SEGMENT USED TO CALCULATE GRADIENT
EXISTING GROUNDWATER MONITORING WELL WITH GROUNDWATER ELEVATION
NEWLY INSTALLED GROUNDWATER MONITORING WELL
SURFACE WATER MONITORING POINT
COMPLIANCE METHANE MONITORING POINT
ASSESSMENT METHANE MONITORING POINT
NOT AVAILABLE
FRENCH DRAIN MONITORING POINT
LEGEND
NOTES
REFERENCES
i1i1
1. TOPOGRAPHIC CONTOUR INTERVAL = 2 FEET.
2. GROUNDWATER SURFACE CONTOUR INTERVAL = 10 FEET.
3. GROUNDWATER ELEVATIONS MEASURED ON JANUARY 17, 2017.
4. GROUNDWATER CONTOURS ARE BASED ON LINEAR INTERPOLATION BETWEEN AND
EXTRAPOLATION FROM KNOWN DATA, TOPOGRAPHIC CONTOURS, AND KNOWN FIELD CONDITIONS.
THEREFORE, GROUNDWATER CONTOURS MAY NOT REFLECT ACTUAL GROUNDWATER
CONDITIONS.
5. GROUNDWATER CONTOUR LINES SHOW THE WATER TABLE SHAPE AND ELEVATION. THESE
CONTOURS ARE INFERRED LINES FOLLOWING THE GROUNDWATER SURFACE AT A CONSTANT
ELEVATION ABOVE SEA LEVEL. THE GROUNDWATER FLOW DIRECTION IS GENERALLY
PERPENDICULAR TO THE GROUNDWATER SURFACE CONTOURS, SIMILAR TO THE RELATIONSHIP
BETWEEN SURFACE WATER FLOW AND TOPOGRAPHIC CONTOURS.
6. SURFACE WATER MONITORING POINT SW-1 IS APPROXIMATELY 550 FEET OFF THE MAPPING LIMITS
SHOWN AND IS COLLECTED FROM SECOND CREEK.
7. MONITORING WELL MW-27A IS UTILIZED FOR WATER LEVEL MONITORING ONLY.
8. THE LOCATION OF THE FRENCH DRAIN MONITORING POINT IS APPROXIMATE.
650
1. OVERALL SITE BASE TOPOGRAPHY PROVIDED BY S&ME ENGINEERING, INC.
MW-25
NA
SW-4
MW-7646.06
SITE LOCATION MAP
1" = 10,000'
SITE LOCATION
PE C-2862
PG C-399
GOLDER ASSOCIATES NC, INC.

TABLE 1

August 2017 1 of 1 0636572017
from to from to
MW-28R 07/11/17 2 731,882.070 1,538,013.180 683.04 685.26 32.00 651.04 24.29 658.75 17.00 32.00 666.04 651.04 Sand Compliance Well
Notes:
1. ft AMSL = feet above mean sea level
2. bgs = below ground surface
3. TOC = top of casing
Rowan County Landfill, Permit No. 80-03
Landfill Gas Monitoring Well
Identification
Date Installed Casing Diameter
(inches)
Elevations Total Depth Drilled Screened Interval
ft AMSL
Lithology of Screened IntervalNorthingEasting
TABLE 1
Summary of Monitoring Well Construction Information
STATUSGround
Surface TOC Depth
(ft bgs)
Elevation
(ft AMSL)
Depth (ft bgs)Elevation (ft AMSL)
Groundwater Surface
Depth
(ft bgs)
Elevation
(ft AMSL)
Table 1.xlsx