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FINAL HYDROGEOLOGICI'VVESTIGA TION ofthe LEE /GUMPROPERTYSUBDIVISION, LOUDOUN COUNTY, VIRGINIA
<br />ROSE DIAGRAM of
<br />LINEAMENT DATA
<br />(Based on Ilneoments collected within a 1.5 kilometer radius circle
<br />centered on the study area of utmX = 280,310 and utmY = 4,341,813)
<br />All Lineaments
<br />Combined
<br />n = 101
<br />1021
<br />ROSE DIAGRAM NOTATION — Rose petals represent trends of steeply dipping fractures or
<br />ffream is derived by farx, goussan curvy to avmdh frequency helagrema. The
<br />tmrd of each peak a posted in degree east of rodh. Petal width s a measure of
<br />data scatter a+W petal kn th o measure of rely numbers of data m each fracture
<br />or fneoment famYy. -
<br />Coi cz dentLineaments
<br />37• FRACTURE - SUPPORTED COINCIDENT LINEAMENT: Observed
<br />on more than three scales of imagery, AND co- parallels
<br />/ nearby fracture family or bedding trends.
<br />Observed on more than three scales of imagery.
<br />(trend is posted In degrees east of north)
<br />Emery & Garrett Groundwater, Inc. 56Mam Street, Meredith, AW 03253
<br />LINEAMENTPLATFOXMS
<br />Legend for Bedrock Geology
<br />Outcrop, float,
<br />Scale
<br />image L9 Type
<br />Observational
<br />Trials
<br />Toialn
<br />1:12000
<br />5 -Toot contour map Topographic Map
<br />2
<br />67
<br />1:24000
<br />10 -foot contour map Topographic Map
<br />2
<br />135
<br />(• - of eeeh ftsae)
<br />ND
<br />Totals: 4
<br />202
<br />Emery & Garrett Groundwater, Inc. 56Mam Street, Meredith, AW 03253
<br />Legend for Sinkholes and Springs
<br />O Sinkhole or depression
<br />Spring or seep
<br />Legend for Potential Contaminant Threats
<br />Potential Contaminant Threat -- identified
<br />through (EDR) Environmental Data Resources,
<br />tiff dx i,c ^3 Inc. search, or from EGGI windshield and field
<br />surveys. See Appendix A for details on EDR
<br />— search results.
<br />LegendforExisting Wells
<br />WWIN -78 -0165 Well ID number and location from
<br />Loudoun Co. GIS database
<br />CSP -5 -19 Well ID and location from
<br />EGGI in house database
<br />Well ID Number (indicates yield of 40 gpm or more)
<br />Cscale Is I"= 800' 1.9600
<br />Existing Wells and Potential Contaminant Threats
<br />'• ; �+. -rte. I - I- _ .. -- � -- ! T :
<br />187
<br />fl 4 `350 �1p 988 p
<br />3 `
<br />I W B M - - WWI 198M2
<br />D & V WWiN- 197&016 WW1111 -1 03
<br />General Stor�
<br />005 -035
<br />�. 'WINSN-1989-0292 I .
<br />I 950033
<br />,(}1959 4} WIN1N -2 OlA 1
<br />-071 SSS
<br />.1919 3
<br />fIN-41,0709 200
<br />n -
<br />N- 191880
<br />_ -1 66 A N- 999 193 f .2005�52�
<br />560000 _ - q R i •1999-0184 l �l I i 0/
<br />` \ 11 r
<br />609:6m i 20d0'
<br />-19 71 ��
<br />Q i N• 979-0 t 19 170U t IYIYDI -1999-0192
<br />A e d ge
<br />-5 -- _—
<br />_ CCC a or Gasoline and Diesel el nd rgoond� ge - 19930122
<br />- - - - - - -- p9� 1 Ta fo Ga' line
<br />--
<br />m — --
<br />I -- - N � f
<br />1
<br />(1
<br />round Stor eTanks + I 1
<br />y -I lwWIWI6e a
<br />N 55600 = + y 1T
<br />•:- 4;CSP - 1 i � � `- • ... _ t - - - - - - wvmx- 7•A331
<br />f( Sa
<br />1 -� - • �...�,j .1975-0 ,
<br />f 1y780158p :I
<br />WIN1N -19 194
<br />f �
<br />� 4y I I I
<br />1j ■
<br />-._ 71 -0123-.
<br />Ly ��
<br />(I _
<br />II `� zz:,
<br />Well
<br />Legend for Stnrcture Symbols
<br />Legend for Bedrock Geology
<br />Outcrop, float,
<br />or soil exposure identified by
<br />Yield
<br />Bedrock Geology after Burton and others, 1996
<br />Total Depth
<br />Siltstone, dusky -red, dark -red, grayish -red, in places
<br />Strike and Dip
<br />Trbs
<br />light- greenish -gray, light- bluish -gray, greenish -gray, and
<br />Strike and Dip
<br />(21e) of Bedding.
<br />medium - dark -gray to dark -gray; clayey; thin - bedded to massive; ripple
<br />Balls Bluff
<br />Siltstone bedded and laminated. Layers of sandstone and silty shale are
<br />ND
<br />distributed throughout the unit.
<br />Trbl
<br />Light bedded
<br />ND
<br />gray- weathering, crudely- carbonate conglomerate with
<br />conspicuous subongulor to subrounded boulders, cobbles and pebbles of
<br />Balls Bluff
<br />Siltstone grayish and reddish lower Paleozoic limestone and dolostone in
<br />Leesburg Member
<br />reddish -brown pebbly sandstone and calcareous sandy siltstone matrix.
<br />ND
<br />Dark- greenish -gray to brownish -grey, fine to very fine grained,
<br />ND
<br />ND
<br />laminated to massively bedded, chlorite- muscovite -quartz phyllite and
<br />WWIN- 1960 -0089
<br />Ch
<br />metosiltetone. Magnetite -rich sandy metasiltstone and fine - pebble
<br />ND
<br />WWIN- 1964 -0083
<br />conglomerate found locally at the base of Short Hill Mountain. On Blue
<br />Ridge and Short Hill Mountain, formation is finer grained and less
<br />Harpers Formation bedding locally faint,
<br />ND
<br />recrystallized and preserved as mm- to cm -scale
<br />sandy layers and light and dark laminae; on Catoctin Mountain bedding
<br />ND
<br />is totally transposed and dominant fabric is metomorphic foliation
<br />ND
<br />consisting of alternating mm -scale quortzose end micaceous laminae.
<br />ND
<br />ND
<br />Legend for Sinkholes and Springs
<br />O Sinkhole or depression
<br />Spring or seep
<br />Legend for Potential Contaminant Threats
<br />Potential Contaminant Threat -- identified
<br />through (EDR) Environmental Data Resources,
<br />tiff dx i,c ^3 Inc. search, or from EGGI windshield and field
<br />surveys. See Appendix A for details on EDR
<br />— search results.
<br />LegendforExisting Wells
<br />WWIN -78 -0165 Well ID number and location from
<br />Loudoun Co. GIS database
<br />CSP -5 -19 Well ID and location from
<br />EGGI in house database
<br />Well ID Number (indicates yield of 40 gpm or more)
<br />Cscale Is I"= 800' 1.9600
<br />Existing Wells and Potential Contaminant Threats
<br />'• ; �+. -rte. I - I- _ .. -- � -- ! T :
<br />187
<br />fl 4 `350 �1p 988 p
<br />3 `
<br />I W B M - - WWI 198M2
<br />D & V WWiN- 197&016 WW1111 -1 03
<br />General Stor�
<br />005 -035
<br />�. 'WINSN-1989-0292 I .
<br />I 950033
<br />,(}1959 4} WIN1N -2 OlA 1
<br />-071 SSS
<br />.1919 3
<br />fIN-41,0709 200
<br />n -
<br />N- 191880
<br />_ -1 66 A N- 999 193 f .2005�52�
<br />560000 _ - q R i •1999-0184 l �l I i 0/
<br />` \ 11 r
<br />609:6m i 20d0'
<br />-19 71 ��
<br />Q i N• 979-0 t 19 170U t IYIYDI -1999-0192
<br />A e d ge
<br />-5 -- _—
<br />_ CCC a or Gasoline and Diesel el nd rgoond� ge - 19930122
<br />- - - - - - -- p9� 1 Ta fo Ga' line
<br />--
<br />m — --
<br />I -- - N � f
<br />1
<br />(1
<br />round Stor eTanks + I 1
<br />y -I lwWIWI6e a
<br />N 55600 = + y 1T
<br />•:- 4;CSP - 1 i � � `- • ... _ t - - - - - - wvmx- 7•A331
<br />f( Sa
<br />1 -� - • �...�,j .1975-0 ,
<br />f 1y780158p :I
<br />WIN1N -19 194
<br />f �
<br />� 4y I I I
<br />1j ■
<br />-._ 71 -0123-.
<br />Ly ��
<br />(I _
<br />II `� zz:,
<br />Well
<br />Legend for Stnrcture Symbols
<br />O
<br />Outcrop, float,
<br />or soil exposure identified by
<br />Yield
<br />EGGI geologists.
<br />Total Depth
<br />Strike and Dip
<br />(88e) of Fractures.
<br />(feet)
<br />Strike and Dip
<br />(21e) of Bedding.
<br />ND
<br />165
<br />WWDU- 1955 -0033
<br />ND
<br />Strike and Dip
<br />(65e) of Foliation.
<br />WWDU -1973 -0168
<br />ND
<br />ND
<br />ND
<br />Strike and Dip
<br />of Vertical Fractures.
<br />Legend for Sinkholes and Springs
<br />O Sinkhole or depression
<br />Spring or seep
<br />Legend for Potential Contaminant Threats
<br />Potential Contaminant Threat -- identified
<br />through (EDR) Environmental Data Resources,
<br />tiff dx i,c ^3 Inc. search, or from EGGI windshield and field
<br />surveys. See Appendix A for details on EDR
<br />— search results.
<br />LegendforExisting Wells
<br />WWIN -78 -0165 Well ID number and location from
<br />Loudoun Co. GIS database
<br />CSP -5 -19 Well ID and location from
<br />EGGI in house database
<br />Well ID Number (indicates yield of 40 gpm or more)
<br />Cscale Is I"= 800' 1.9600
<br />Existing Wells and Potential Contaminant Threats
<br />'• ; �+. -rte. I - I- _ .. -- � -- ! T :
<br />187
<br />fl 4 `350 �1p 988 p
<br />3 `
<br />I W B M - - WWI 198M2
<br />D & V WWiN- 197&016 WW1111 -1 03
<br />General Stor�
<br />005 -035
<br />�. 'WINSN-1989-0292 I .
<br />I 950033
<br />,(}1959 4} WIN1N -2 OlA 1
<br />-071 SSS
<br />.1919 3
<br />fIN-41,0709 200
<br />n -
<br />N- 191880
<br />_ -1 66 A N- 999 193 f .2005�52�
<br />560000 _ - q R i •1999-0184 l �l I i 0/
<br />` \ 11 r
<br />609:6m i 20d0'
<br />-19 71 ��
<br />Q i N• 979-0 t 19 170U t IYIYDI -1999-0192
<br />A e d ge
<br />-5 -- _—
<br />_ CCC a or Gasoline and Diesel el nd rgoond� ge - 19930122
<br />- - - - - - -- p9� 1 Ta fo Ga' line
<br />--
<br />m — --
<br />I -- - N � f
<br />1
<br />(1
<br />round Stor eTanks + I 1
<br />y -I lwWIWI6e a
<br />N 55600 = + y 1T
<br />•:- 4;CSP - 1 i � � `- • ... _ t - - - - - - wvmx- 7•A331
<br />f( Sa
<br />1 -� - • �...�,j .1975-0 ,
<br />f 1y780158p :I
<br />WIN1N -19 194
<br />f �
<br />� 4y I I I
<br />1j ■
<br />-._ 71 -0123-.
<br />Ly ��
<br />(I _
<br />II `� zz:,
<br />Well
<br />Data from
<br />Loudoun County
<br />GIS
<br />Well ID
<br />Yield
<br />Bedrock Depth
<br />Total Depth
<br />(gpm)
<br />(feet)
<br />(feet)
<br />WWDH- 1987 -0331
<br />ND
<br />ND
<br />165
<br />WWDU- 1955 -0033
<br />ND
<br />ND
<br />ND
<br />WWDU -1973 -0168
<br />ND
<br />ND
<br />ND
<br />WWIN- 1955 -0034
<br />ND
<br />ND
<br />ND
<br />WWIN -1959 -0088
<br />ND
<br />ND
<br />ND
<br />WWIN- 1960 -0089
<br />ND
<br />ND
<br />ND
<br />WWIN- 1964 -0083
<br />ND
<br />ND
<br />ND
<br />WWIN- 1973 -0181
<br />ND
<br />ND
<br />ND
<br />WWIN- 1974 -0157
<br />ND
<br />ND
<br />ND
<br />WVVIN- 1975 -0109
<br />ND
<br />ND
<br />ND
<br />WWIN -1976 -0158
<br />50
<br />ND
<br />102
<br />WVVIN- 1977 -0153
<br />6
<br />ND
<br />320
<br />WWIN- 1978 -0167
<br />25
<br />ND
<br />80
<br />WWIN- 1978 -0180
<br />ND
<br />ND
<br />ND
<br />WWIN- 1979 -0168
<br />ND
<br />ND
<br />ND
<br />WWIN- 1979 -0169
<br />ND
<br />ND
<br />ND
<br />WWIN- 1979 -0171
<br />15
<br />ND
<br />120
<br />WWIN- 1979 -0172
<br />ND
<br />ND
<br />ND
<br />WVVIN- 1980 -0132
<br />12
<br />ND
<br />150
<br />WWIN- 1988 -0502
<br />15
<br />ND
<br />175
<br />WWIN- 1988 -0504
<br />50
<br />ND
<br />145
<br />WWIN- 1989 -0292
<br />100
<br />ND
<br />225
<br />WWIN- 1990 -0324
<br />ND
<br />ND
<br />ND
<br />VVMN -1993 -0122
<br />30
<br />ND
<br />125
<br />WWIN- 1996 -0093
<br />ND
<br />ND
<br />ND
<br />WWIN- 1996 -0094
<br />ND
<br />ND
<br />ND
<br />WWIN- 1999 -0184
<br />25
<br />12
<br />125
<br />WMN- 1999 -0192
<br />40
<br />17
<br />300
<br />WWIN- 1999 -0193
<br />20
<br />20
<br />300
<br />WWNC- 1959 -0083
<br />ND
<br />ND
<br />ND
<br />WWSP- 1961 -0068
<br />ND
<br />ND
<br />ND
<br />WWSP- 1975 -0110
<br />ND
<br />ND
<br />ND
<br />WVVSP- 1979 -0170
<br />ND
<br />ND
<br />ND
<br />CSP -2 -7
<br />3.1
<br />50
<br />700
<br />CSP -2 -6
<br />5
<br />40
<br />1000
<br />CSP -2 -17
<br />0.57
<br />35
<br />1000
<br />CSP -2 -18
<br />1.0
<br />30
<br />1000
<br />CSP -5 -19
<br />3.7
<br />40
<br />700
<br />CSP -2 -5
<br />7.5
<br />30
<br />720
<br />CSP -2 -16
<br />1.6
<br />45
<br />1000
<br />CSP -2 -17B
<br />1.0
<br />25
<br />1000
<br />AVERAGE
<br />91
<br />.31
<br />450
<br />MINIMUM
<br />1
<br />12
<br />80
<br />MAXIMUM
<br />100
<br />50
<br />1000
<br />GN
<br />TN'
<br />1N
<br />S 20'
<br />Contour interval = 10'
<br />Polyconic Projection.
<br />1927 North American Datum.
<br />1Pfli Base map information from
<br />zone jB USGS topographic quadrangle
<br />map of Waterford, VA -MD.
<br />LEE /GUM PR O P E R T Y G R O U A D WA TER
<br />EVVESTIGATION
<br />LINEAMENTS, BEDROCK GEOLOGY,
<br />and STRUCTURE
<br />Job Number: Date:
<br />VA 06061040J June 2007 PLATE I
<br />Emery & Garrett Groundwater, Inc.
<br />Pboae: 603- 279 -4425 S6 Mein Street EMad: c&7&gglcom
<br />FAX 603- 279 -8717 P.O. Box 1578 Web: ivr .cgN aom
<br />Meredith, NH 03253
<br />i.A'oAvea;e.�' r:.oA - r3r.d.a: sneer. anl:- Fidel lad etl11id: 06(20'2007; by P•Nr
<br />
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