SEPA Register: Washington State Environmental Policy Records Since 2000

Washington State's Department of Ecology provides a list of records posted under the State Environmental Policy Act (SEPA) and the National Environmental Policy Act (NEPA). The dataset includes records from the year 2000 onward. It was last updated on March 22, 2026.

Use Cases

• Track environmental review timelines based on the record posting dates mentioned in the description.
• Analyze trends in SEPA and NEPA project registrations based on the listed records.
• Monitor regulatory activity by the Department of Ecology based on the described source of the data.

Strengths

• Records span from the year 2000, providing over two decades of temporal coverage.
• Data is available in multiple machine-readable formats including CSV, JSON, RDF, and XML.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment for large-scale analysis.

Provenance

Source

State of Washington, Department of Ecology

Collection Method

Posted records from the Department of Ecology.

Time Range

Since 2000

Freshness

Last updated 2026-03-22 03:13:32.507646; freshness should be verified.

Geography

Washington State, USA