Wisconsin's Role in Great Lakes Restoration - American Water ...

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Geophysical Survey of an Arsenic Contaminated Site in the Kewaunee Marsh, Kewaunee, WI David J. Hart, Wisconsin Geological and Natural History Survey, Madison, WI, djhart@wisc.edu Peter M. Chase, Wisconsin Geological and Natural History Survey, Madison, WI, pmchase@wisc.edu We used an EM-31 ground conductivity meter to map the extent of arsenic pesticide contamination in the Kewaunee Marsh. The source of the arsenic is thought to be from a spill that occurred 60 years ago at a nearby railroad. The survey illustrates a successful use of geophysics where the method was properly matched to the project needs and setting. The geophysical investigation was designed around the site and contaminant. Although the site has undergone remediation by capping the contaminated area, contaminant levels remain extremely high, greater than 1000 mg/Kg in the peat and silt sediment and greater than 1,000,000 ug/L in groundwater samples. These very high levels caused the electrical conductivity of the contaminated sediment and water to be much higher than the uncontaminated areas. The investigation was further constrained by the marsh setting where well installation and sediment sampling is difficult. Much of the site was either covered in a thin layer of melting ice with several inches of water above the ice or in very soft sediment. We chose the EM-31 ground conductivity meter because it could resolve conductivity differences between contaminated and background locations at the depths of interest. The survey was conducted in less than two hours and delineated the extent of the arsenic. The survey results will be used to focus selection of locations for additional groundwater and sediment sampling. This geophysical survey succeeded because the needs, site, and methods matched. 67
Ackley, C.J. 28 Anderson, M.P. 21 Asplund, T. 47, 55 Babiarz, C. 33 Bahr, J.M. 11, 38 Baierlipp, M.S. 40 Balster, N. 16 Bannerman, R.T. 25 Bardy, S.L. 10 Bartsch, L.A. 54 Baumgart, P.D. 14 Bero, N.J. 53 Betz, C.R. 47, 55 Blaine, C.A. 32 Booth, E.G. 59 Boron, K.S. 32 Borski, J. 41, 42 Bradbury, K.R. 11, 19, 38, 41, 42, 57 Brooks, W. 9 Busch, D.L. 37 Carver, R.E. 31 Chase, P.M. 67 Choi, W. 51 Clark, J.J. 31 Cooley, E. 24, 26 Corsi, S.R. 9 Diebel, M.W. 65 Dunkle, K.M. 21 Dunning, C.P. 18 Elliott, P.C. 64 Feinstein, D.T. 17, 18, 19 Feriancikova, L. 10 Fermanich, K.J. 14 Fiedler, T.K. 32 Fienen, M.N. 9, 20 Frame, D. 22, 24, 26 Fratta, D. 39 Galasinski, U. 51 Geissinger, P. 30 Gellasch, C.A. 11 Gotkowitz, M.B. 57 Graczyk, D.J. 25 Grundl, T. 50, 52 Halford, K.J. 20 Hart, D.A. 61 Hart, D.J. 20, 21, 26, 39, 67 INDEX 68 Hartwick, R.R. 43 Henning, P.E. 30 Hoard, C.J. 17 Hunt, R.J. 18, 38 Hurley, J. 47, 55 Hwang, C. 51 Joachim, D.R. 57, 58 Jones, K.A. 32 Juckem, P.F. 18 Kahler, A.L. 62 Karl, J. 13 Kean, W.F. 40 Keller, N.R. 12 Kern, A.J 62 Kim, K.J.L. 48 King, T.A. 52 Kivlin, P. 22 Klump, J.V. 14 Komiskey, M. 24 Kopitzke, S. 30 Leick, S. 29 Li, J. 10 Li, Z. 27, 28, 29 Loheide II, S.P. 15, 57, 58, 59 Lowery, B. 53 Luczaj, J.A. 45 MacDonald, R.A. 34 MacLaurin, C.I. 43 Madison, A.M. 24 Madison, F. 23, 26 Magnusson, N.C. 50 Masarik, K. 35 Mauel, S. 26 Maxted, J.T. 65 McGinley, P.M. 36, 37 McLinn, E.L. 12 Mechenich, D. 35 Mednick, A.C. 48, 49 Mentz, R.S. 37 Meyer, S.J. 45 Minks, K.R. 49 Muldoon, M.A. 41, 42 Noffke, D.P. 32 O'Connell, T.M. 12 Parsen, M. 19 Penn, M.R. 37
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PROGRAM AND ABSTRACTS Wisconsin’s
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BOARD OF DIRECTORS Kevin Masarik, C
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AWRA BOARD OF DIRECTORS POSITION DU
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PROGRAM SUMMARY Wisconsin's Role in
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Session 1A - Biological and Chemica
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6:00 p.m. Dinner - Salon B Speaker:
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9:00 Surface Water/Groundwater Inte
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SESSION 1A: Biological and Chemical
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Geochemical Indicators of Sanitary
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SESSION 1B: Advances in Hydrologic
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Using Heated Distributed Temperatur
Page 24 and 25: SESSION 2A: Hydrogeologic Modeling
Page 26 and 27: Development of a Revised Groundwate
Page 28 and 29: Well Log and Geophysical Analysis f
Page 30 and 31: Soil Moisture and Rainfall Intensit
Page 32 and 33: Evaluation of the Effects of Agricu
Page 34 and 35: POSTER SESSION Thursday, March 3, 2
Page 36 and 37: 3. Removal of Methylene Blue from W
Page 38 and 39: 5. Accumulation of Heavy Metals in
Page 40 and 41: 7. Influence of Regional Mercury So
Page 42 and 43: 9. Over 20 Years of Well Water Test
Page 44 and 45: 11. Snowmelt Export of Phosphorus f
Page 46 and 47: 13. Using Geophysics to Compare the
Page 48 and 49: 15. Preliminary Hydrogeologic Chara
Page 50 and 51: 17. Evaluating Hydrostratigraphic B
Page 52 and 53: 19. How High Will The Water Rise? F
Page 54 and 55: 21. Climate Change Impacts on Wisco
Page 56 and 57: 24.Nowcasting Water-Quality at Grea
Page 58 and 59: Spatio-temporal Relationship betwee
Page 60 and 61: Slow-Release Fertilizer Effect on G
Page 62 and 63: SESSION 3B: Climate Change and Wisc
Page 64 and 65: Climate Variability and Groundwater
Page 66 and 67: Predicting Wetland Plant Compositio
Page 68 and 69: The Wisconsin Coastal Atlas: Buildi
Page 70 and 71: Spatial Narratives of the St. Louis
Page 72 and 73: Prioritizing Barrier Removal and Re
Page 76: Peters, C.A. 60 Phillips, R.L. 62 P
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