This data release includes 18 JPEG files of imagery collected during a thermal infrared (TIR) survey on February 2nd, 2024, of an unnamed tributary to Midway Branch in Odenton, Maryland. Images include thermograms and collocated photographs of shallow groundwater seep locations. This data release also includes two comma delimited tables of groundwater seep information and references to associated JPEG imagery files. "MidwayBr_TIR_points.csv" contains supporting information such as seep identification numbers, associated imagery file names, date, time, temperature, additional notes, and collocated United States Geological Survey groundwater monitoring locations. "MidwayBr_TIR_data_dictionary.csv" contains relevant JPEG file information. Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.