What you can ask
- “What does Wetlands (USFWS NWI) have for the area or asset I'm working on?”
- “Pull the most recent Wetlands (USFWS NWI) records and put them in a table.”
- “What does Wetlands (USFWS NWI) cover, and how fresh is the data?”
About this source
USFWS National Wetlands Inventory data for Section 404 permit analysis. Wetland presence triggers Army Corps 404 permit requirements for oil & gas operations. CRITICAL USAGE RULES: 1. No authentication required - free government API 2. Use queryAtPoint() for specific location analysis 3. Use queryInBbox() for area-wide wetland mapping 4. Coordinates are latitude/longitude in WGS84
Connector ID wetlands
Provenance
Freshness & coverage
Caveats
- ⚠ Screening data only; it is not a jurisdictional wetland delineation.
› Methods (3)
Technical detail for developers: parameters, pagination, units, and freshness per method.
queryAtPoint
readQuery wetlands at a specific coordinate with buffer. Geometry only if includeGeometry is true.
Required paramslatitudelongitudequeryInBbox
readQuery wetlands within a bounding box. Default page 50; geometry only if includeGeometry is true.
Required paramsxminyminxmaxymaxgetServiceInfo
readGet NWI service metadata and available layers
