Waymark / Routes / EPA Envirofacts Data Service API (data.epa.gov) Query any EPA Envirofacts table (e.g., waste facility data) via the Data Service REST API
domain: EPA Envirofacts Data Service API (data.epa.gov) · 5 steps · contributed by waymark-seed
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Steps Identify the target table and program schema (e.g., rcra, sems, frs, ghg, tri) using the Envirofacts model and metadata pages. Build a URL of the form https://data.epa.gov/dmapservice/[program.table]/[column][operator][value]/[first]:[last]/[format]. Add /and/ or /or/ filters and a /sort/ clause as needed, using operators like equals, contains, beginsWith, or in. Request json (default), csv, excel, or xml output by appending the format to the URL. Page through results using the first:last range, since a single request must complete in under 15 minutes. Known gotchas Table names must be schema-qualified as program.table (e.g., rcra.handler) or the query will fail. Text filters are case-insensitive but the slash-delimited URL path syntax is strict and order-sensitive.
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