Flood Zones ECA

This layer is used by the City as an aid to evaluate construction sites for the presence of flood prone areas pertinent to Environmentally Critical Areas regulations. Areas that would likely be covered with or carry water as a result of a one hundred (100) year flood event, or that would have a one percent (1%) or greater chance of being covered with or of carrying water in any givenyear based on current circumstances or maximum development permitted under existing zoning. See code section number 25.09.020 of the Seattle Municipal Code for a more complete definition of environmentally critical areas: https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT25ENPRHIPR_CH25.09REENCRAR

Data and Resources

Field Value
accessLevel public
catalog_@context https://project-open-data.cio.gov/v1.1/schema/catalog.jsonld
catalog_@id https://data.seattle.gov/data.json
catalog_conformsTo https://project-open-data.cio.gov/v1.1/schema
catalog_describedBy https://project-open-data.cio.gov/v1.1/schema/catalog.json
identifier https://data-seattlecitygis.opendata.arcgis.com/maps/SeattleCityGIS::flood-zones-eca
issued 2012-06-29
landingPage https://data-seattlecitygis.opendata.arcgis.com/maps/SeattleCityGIS::flood-zones-eca
metadata_type geospatial
modified 2022-03-23
old-spatial -122.4344,47.4927,-122.2729,47.7356
publisher City of Seattle GIS Program
resource-type Dataset
source_datajson_identifier true
source_hash d94993b4ac7ec2d43459f6c0fa784c77dcecb645
source_schema_version 1.1
spatial {"type": "Polygon", "coordinates": [[[-122.4344, 47.4927], [-122.4344, 47.7356], [-122.2729, 47.7356], [-122.2729, 47.4927], [-122.4344, 47.4927]]]}
theme {geospatial}
Groups
  • AmeriGEOSS
  • National Provider
  • North America
Tags
  • amerigeo
  • amerigeoss
  • ckan
  • cosgis
  • critical-area
  • department-of-planning-and-development
  • eca
  • environment
  • firm
  • flood
  • geo
  • geoss
  • national
  • north-america
  • seattle
  • seattlecitygis
  • united-states
  • wa
  • wmdpdecaflood
isopen False
license_id notspecified
license_title License not specified
maintainer site.admin_SeattleCityGIS
maintainer_email mapgis.mapgis@seattle.gov
metadata_created 2025-11-20T02:42:42.712351
metadata_modified 2025-11-20T02:42:42.712355
notes <div><span><div>This layer is used by the City as an aid to evaluate construction sites for the presence of flood prone areas pertinent to Environmentally Critical Areas regulations. <br /></div><div><span>Areas that would likely be covered with or carry water as a result of a one hundred (100) year flood event, or that would have a one percent (1%) or greater chance of being covered with or of carrying water in any givenyear based on current circumstances or maximum development permitted under existing zoning. See code section number 25.09.020 of the Seattle Municipal Code for a more complete definition of environmentally critical areas: </span><span><span>https://library.municode.com/wa/seattle/codes/municipal_code?nodeId=TIT25ENPRHIPR_CH25.09REENCRAR</span></span></div></span></div>
num_resources 6
num_tags 19
title Flood Zones ECA