Making Democracy Work

Know Hamilton County

Table of Contents

County Structure
Special Districts
County Finances
    Administration of Justice
Health & Human Services
Safety Services
Development & Housing
    Environment & Infrasturcture
Regional Affiliations

Environment & Infrastructure

Department of Environmental Services

Hamilton County Department of Environmental Services (DOES)

DOES consists of two divisions which strive to protect, preserve and enhance the environmental quality of our community. Click here for the website.
  • The Southwest Ohio Air Quality Agency monitors air quality and regulates industrial air emissions for Butler, Clermont, Hamilton and Warren counties.
  • Hamilton County Recycling and Solid Waste Management District provides recycling and waste reduction assistance to residents, communities, schools and businesses in Hamilton County.


Transportation Improvement District (TID)

The District was formed in 1995 by the Board of County Commissioners, in accordance with Section 5540 of the Ohio Revised Code, to administer and provide assistance with complex transportation projects involving multiple jurisdictions and multiple modes of transportation. Its purpose is to develop, finance, construct, maintain, repair and operate transportation projects.

The board of trustees consists of five voting members appointed by the county commissioners, one nonvoting member appointed by the Speaker of the House of Representatives of the General Assembly and one nonvoting member appointed by the President of the Senate of the General Assembly. Board members hold office for a 2-year term.

Roads and Bridges + The Hamilton County Engineer has an annual budget in the Road and Bridge Funds to maintain the more than 500 miles of roads and 522 bridges in Hamilton County.
The TID currently has no website available.