How do i contact ohio epa about a complaint? However, by providing your name and contact information, Ohio EPA will be able to contact you to clarify information or gather additional information. Each online submittal is assigned an identifier which can be used to search for the status of the complaint.How do i contact the ohio department of environmental services? Their phone number is 937-225-4435. The Department of Environmental Services handles Butler, Clermont, Hamilton and Warren counties. Their phone number is 513-651-9437. Brown County is handled by the Air Pollution Control Unit - Portsmouth Health Department. Their phone number is (614) 353-5156.How to contact the ohio epa southwest district office? (937) 285-6249 - FAX The Ohio EPA Southwest District Office (SWDO) serves 16 counties in Southwestern Ohio. These counties are: Brown, Butler, Champaign, Clark, Clermont, Clinton, Darke, Greene, Highland, Hamilton, Logan, Montgomery, Miami, Preble, Shelby and Warren.How do i find the address for the epa office? Address. Phone Number. US EPA Office of Research and Development (ORD) - main office. 1200 Pennsylvania Avenue, NW. Mail Code: 8101R. Washington, DC 20460.