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Direction of Ground-Water Flow in the Surficial Aquifer in the Vicinity of Impact Areas G-10 and K-2, Marine Corps Base Camp Lejeune, North Carolina, 2004

Scientific Investigations Report 2004–5270
By Stephen L. Harden, Stephen S. Howe, and Silvia Terziotti

Table 1. Summary of well-construction information for wells used during investigation at Impact Areas K-2 and G-10 at Camp Lejeune, North Carolina.
[ft, feet; BLS, below land surface; S, surficial aquifer; CH, Castle Hayne aquifer; altitude is referenced to NAVD 88]
USGS site number Local well name Aquifer Latitude Longitude Land-surface altitude (ft) Top of casing above land surface (ft) Total well depth
(ft BLS)		 Well casing depth
(ft BLS)		 Well screen or open interval
(ft BLS)
343609077171302 G10MW1 S 34°36'09.0'' 77°17'11.0'' 42.56 3.26 21.5 11.5 11.5 – 21.5
343714077141301 G10MW2 S 34°37'14.1'' 77°14'13.3'' 16.34 3.30 16.0 6.0 6.0–16.0
343737077140401 G10MW3 S 34°37'37.5'' 77°14'04.1'' 41.02 3.80 19.0 9.0 9.0 – 19.0
343823077135401 G10MW4 S 34°38'22.7'' 77°13'53.9'' 17.42 3.80 19.5 9.5 9.5 – 19.5
343921077135401 G10MW5 S 34°39'12.2'' 77°13'52.8'' 33.38 3.25 20.0 10.0 10.0 – 20.0
343918077145701 G10MW6 S 34°39'18.2'' 77°14'58.5'' 38.27 3.08 19.0 9.0 9.0 – 19.0
343934077171401 G10MW7 S 34°39'34.8'' 77°17'12.8'' 42.47 3.90 19.5 9.5 9.5 – 19.5
343912077183901 G10MW8 S 34°39'12.3'' 77°18'39.5'' 29.18 3.56 19.0 9.0 9.0 – 19.0
343838077175801 G10MW9 S 34°38'37.6'' 77°17'58.1'' 29.33 2.96 19.5 9.5 9.5 – 19.5
343717077173601 G10MW10 S 34°37'17.0'' 77°17'35.1'' 36.08 3.60 19.5 9.5 9.5 – 19.5
343646077170801 G10MW11 S 34°36'45.1'' 77°17'08.0'' 39.87 3.55 18.5 8.5 8.5 – 18.5
343737077145601 G10MW12 S 34°37'36.6'' 77°14'55.7'' 52.19 3.22 19.5 9.5 9.5 – 19.5
343925077160901 G10MW13 S 34°39'26.6'' 77°16'08.4'' 43.70 3.30 19.0 9.0 9.0 – 19.0
343815077253401 K2MW1 S 34°38'15.0'' 77°25'34.0'' 21.79 3.02 19.5 9.5 9.5 – 19.5
343728077253801 K2MW2 S 34°37'28.4'' 77°25'38.2'' 12.52 3.10 20.0 10.0 10.0 – 20.0
343744077253101 K2MW3 S 34°37'44.2'' 77°25'30.8'' 24.49 2.40 18.5 8.5 8.5 – 18.5
343838077245201 K2MW4 S 34°38'38.0'' 77°24'51.8'' 32.15 2.97 20.0 10.0 10.0 – 20.0
343823077221801 K2MW5 S 34°38'22.1'' 77°22'19.4'' 21.49 3.25 20.0 10.0 10.0 – 20.0
343840077225001 K2MW6 S 34°38'39.9'' 77°22'49.5'' 27.79 3.88 15.0 5.0 5.0 – 15.0
343843077234801 K2MW7 S 34°38'43.0'' 77°23'48.1'' 24.64 2.80 20.0 10.0 10.0 – 20.0
343641077235101 K2MW8 S 34°36'40.9'' 77°23'51.3'' 2.57 2.90 4.0 2.0 2.0 – 4.0
343736077222001 K2MW9 S 34°37'34.2'' 77°22'22.0'' 1.99 2.25 8.0 3.0 3.0 – 8.0
343641077290103 ON-227 CH 34°36'40.9'' 77°28'58.0'' 68a 2.13 240 150 150 – 240
343641077290106 ON-230 S 34°36'40.5'' 77°28'58.9'' 68a 2.52 22.0 18.4 18.4 – 22.0
344139077211206 ON-266 CH 34°41'35.4'' 77°21'05.7'' 23.47a 1.73 130 120 120 – 130
344139077211207 ON-267 S 34°41'35.6'' 77°21'05.9'' 24.06a 0.93 40 30 30 – 40
343609077171301 ON-293 CH 34°36'09.0'' 77°17'11.0'' 42.56 2.30 235 225 225 – 235
343842077241501 ON-294 S 34°38'42.0'' 77°24'29.9''
29.83
 2.43 23 12 12 – 22

a Land-surface altitude at this well is referenced to the National Geodetic Vertical Datum of 1929.

Abstract || Introduction || Methods || Hydrogeologic Setting || Direction of Flow || Trends || Summary || References || Appendix
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