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What the data containsLocations of historical waste disposal sites in Ohio based on solid waste file archives at the Ohio Environmental Protection Agency. The sites are primarily solid waste disposal sites, including municipal solid waste, industrial solid waste, residual solid waste, and construction and demolition debris. Some sites with hazardous waste are also included. The types of sites may include licensed landfills, landfills that existed prior to state regulatory programs, exempt waste sites, unauthorized dumps, open dumps, and disposal lagoons. Do the data include remediated sites?Yes, some sites in the database may have been partially or fully remediated and may no longer contain significant amounts of waste.Completeness of the dataThe data are incomplete and are still in development.How the data were developedData were developed using data from Ohio EPA archival files. The accuracy of the locations depends on the available information. Where possible points were located on the actual waste unit, or within the tax parcel boundary where the waste was said to be located. Some points were located using coordinates or descriptive text in from field notes, inspection reports, etc. In some cases the best available information is the nearest intersection or a geocoded address. In most cases, data were compared against tax maps where they were available to try and maximize the accuracy of the locations. Additional sources of information included but were not limited to newspaper archives, solid waste district plans, pollution inventories, historical societies, and local governments. General data characteristicsThe information used to create these data dates to files as early as the late 1960s and may not represent the current site conditions. The data include only data known to Ohio EPA's solid waste regulatory program and do not include all sites that were under past authority of other regulatory agencies such as local health departments. Intended use of dataThe data are intended to be used as a general guideline for locating historical waste sites in an area of interest. Ideally these data would be used to help determine whether there may be cause for further investigation of a site area when the presence of waste or waste residuals on a site is of concern. Should a user determine that a site(s) exist in their area of interest they should contact Ohio EPA to obtain the original file and for assistance in verifying the exact location of the site(s). The data are not intended for scientific or engineering purposes and are not recommended for such uses. Completeness of the dataThe data are incomplete and are still in development. Further development of the data is intended in the future. |