Table Name: TRI_COUNTY

Description: The counties included in a ZIP code.

Columns:

Envirofacts Data Service API for TRI_COUNTY: Envirofacts has developed a RESTful data service API to all of its internal data holdings. This functionality provides a user of Envirofacts with the ability to query any table through the use of a URL. The default output is in XML, which can be utilized in other applications, as well as tools such as Microsoft Excel or Access. Output options of CSV and Excel can be requested in the URL. The entire Envirofacts database metadata is available online, so that all tables and columns within Envirofacts are documented. Having the table structures available in this manner makes most of Envirofacts data easily available through the service. More information is available on the Envirofacts Services page.

Below is a sample of the first 10 rows of data for the TRI_COUNTY table. The URL used to produce this output is:
https://data.epa.gov/efservice/TRI_COUNTY/ROWS/0:10/EXCEL