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Chris Sanocki

Christopher A. Sanocki is a supervisory geographer and water-use specialist for the USGS Upper Midwest Water Science Center. Chris has worked on many and varied projects including, watershed characterization, flood frequency, groundwater and water use. Chris has presented locally and nationally on “GIS Data and Application Management”, “Web based Watershed and Flood Frequency Applications” (Stream



Hopkins, A. L., Dunn, N. A., Dooley, K. M., & Sanocki, C. A. (2021). Great Lakes Coastal Wetland Restoration Assessment (GLCWRA) Lake Ontario, U.S. [Data set]. U.S. Geological Survey.

Sanocki, C.A., Williams-Sether, T., Steeves, P.A., and Christensen, V.G., 2019, Techniques for estimating the magnitude and frequency of peak flows on small streams in the binational U.S. and Canadian Lake of the Woods–Rainy River Basin upstream from Kenora, Ontario, Canada, based on data through water year 2013: U.S. Geological Survey Scientific Investigations Report 2019–5012, 17 p.,

Smith, E.A., Sanocki, C.A., Lorenz, D.L., and Jacobsen, K.E., 2017, Streamflow distribution maps for the Cannon River drainage basin, southeast Minnesota, and the St. Louis River drainage basin, northeast Minnesota: U.S. Geological Survey Scientific Investigations Map 3390, pamphlet 16 p., 2 sheets,

Smith, E.A., Lorenz, D.L., Kessler, E.W., Berg, A.M., and Sanocki, C.A., 2017, Groundwater discharge to the Mississippi River and groundwater balances for the Interstate 94 Corridor surficial aquifer, Clearwater to Elk River, Minnesota, 2012–14: U.S. Geological Survey Scientific Investigations Report 2017–5114, 54 p.,

Ziegeweid, Jeffrey R.; Lorenz, David L.; Sanocki, Chris A.; Czuba, Christiana R., 2015. Methods for Estimating Flow-Duration Curve and Low-Flow Frequency Statistics for Ungaged Locations on Small Streams in Minnesota. U.S. Geological Survey Scientific Investigations Report 2015-5170, online-only

Kessler, Erich W.; Lorenz, David L.; Sanocki, Christopher A., 2013. Methods and results of peak-flow frequency analyses for streamgages in and bordering Minnesota, through water year 2011. U.S. Geological Survey Scientific Investigations Report 2013-5110, Report: iv, 46 p.; Downloads Directory

Ellison, Christopher A.; Sanocki, Chris A.; Lorenz, David L.; Mitton, Gregory B.; Kruse, Gregory A. 2011 Floods of September 2010 in Southern Minnesota, USGS Scientific Investigations Report: 2011-5045

Sanocki, Christopher A.; Langer, Susan K.; Menard, Jason C. 2009 U.S. Geological Survey Scientific Investigations Report 2009-5226 Potentiometric Surfaces and Changes in Groundwater Levels in Selected Bedrock Aquifers in the Twin Cities Metropolitan Area, March-August 2008 and 1988-2008

Lorenz, D. L.; Sano