Raw data for the manuscript entitled “Water-Soluble Iron Porphyrins as Catalysts for Suppressing Chlorinated Disinfection Byproducts in Hypochlorite-Dependent Water Remediation” is organized into folders that are named following the Figure or Table numbers in which the data is presented in the manuscript or SI. In each folder you will also find a scan of the relevant lab journal page or a document titled “Experimental Notes” in which the experimental procedure is outlined and an explanation of the data labels can be found. In certain cases, additional raw data is included that was not presented in the manuscript. A list such experiments can be found in section 8 of the supporting information.