Inactive NPDES construction NPDES permits where permits that contain provisions similar to Big Darby or Olentangy River watershed permits are identified. Not all permits are included in this dataset. Excluded from this dataset are permits with no coordinates or where the coordinate error placed the site outside of Ohio or beyond nearby areas of surrounding states.Ohio EPA Construction Stormwater Program
Acknowledgement of the Ohio Environmental Protection Agency, Division of Surface Waters as a data source would be appreciated in products developed from these data, and such acknowledgement as is standard for citation purposes. Users of this data should be aware that inconsistencies and inaccuracies may exist if these data are compared to data from other time periods due to changes in methods of data collection and mapping.