{"help": "https://data.gov.au/data/api/3/action/help_show?name=package_show", "success": true, "result": {"archived": false, "author": "opendata@brisbane.qld.gov.au", "author_email": null, "contact_point": "opendata@brisbane.qld.gov.au", "creator_user_id": "c2fbbe4a-4ba0-4945-808b-67454605a4cf", "duplicate_score": 2, "geospatial_topic": [], "id": "136697fb-db2d-4852-bb9d-c240b3c401b7", "isopen": false, "license_id": "cc-by-4", "license_title": "cc-by-4", "maintainer": "opendata@brisbane.qld.gov.au", "maintainer_email": "opendata@brisbane.qld.gov.au", "metadata_created": "2025-11-11T07:31:06.905013", "metadata_modified": "2026-04-09T23:27:55.527952", "name": "flood-awareness-overland-flow", "notes": "This dataset is available on Brisbane City Council\u2019s open data website \u2013 data.brisbane.qld.gov.au. The site provides additional features for viewing and interacting with the data and for downloading the data in various formats. \n\nThis dataset, created in June 2013, provides an indication of the likelihood of a flood occurring from overland flow inside the Brisbane City Council local government area. This layer contributes to the overall Flood Awareness Mapping for Brisbane City Council.\n\nOverland flow is excess rainfall that runs across the land after rain before it enters an underground drainage system or a creek/waterway. Overland flow can also rise to the surface naturally from underground or also as a result of creek/waterway bank failure. Overland flow flooding tends to affect localised areas rather than the whole city at once. Overland flow can probably be considered the most frequent type of flooding in Brisbane.\n\nOverland flow tends to occur during high rainfall events. It travels across the land following low-lying, natural drainage paths. Such flooding may occur when underground drainage system exceeds capacity. Overland flow flooding can be unpredictable and occur without warning. \n\nYou can identify overland flow by looking at how water may flow across the land around your property. Consider these natural flows when you are looking to renovate, build a fence or put in a shed.\n\nThere are three different overland flow flooding impact areas in Flood Awareness Map, namely High, Medium and Low.\n\nThe overland flow High impact layer consists of H5 and H6* hazard zones during a 5% Annual Exceedance Probability (AEP) (20 year Average Recurrence Interval (ARI)) flood event. The flood data was sourced from the Citywide Creek and Overland Flow Path mapping study (GHD, 2017).\n\nThe overland flow Medium impact layer consists of H3, H4, H5 and H6* hazard zones during a 2% AEP (50 year ARI) flood event (outside high impact area). The flood data was sourced from the Citywide Creek and Overland Flow Path mapping study (GHD, 2017).\n\nThe overland flow Low impact layer consists of H2, H3, H4, H5 and H6* hazard zones during a 1% AEP (100 year ARI) flood event (outside high and medium impact areas). The flood data was sourced from the Citywide Creek and Overland Flow Path mapping study (GHD, 2017).\n\n* Hazard ranges from H1 to H6 and is based on the flood hazard, depth and velocity vulnerability thresholds. For more information, refer to Australian Disaster Resilience Guideline 7-3 Flood Hazard (AIDR 2017).\n\nDue to a system issue, this data is not displayed here. To access the data, please use the ArcGIS Hub Datasets link in the Data and resources section on this page.", "num_resources": 1, "num_tags": 12, "organization": {"id": "06ace54f-8b8d-4c4b-8ca3-4232b89f8a91", "name": "brisbane-city-council-queensland-government", "title": "Brisbane City Council", "type": "organization", "description": "Harvester for Queensland Gov Open Data", "image_url": "", "created": "2025-08-19T01:47:59.887991", "is_organization": true, "approval_status": "approved", "state": "active"}, "original_harvest_source": {"site_url": "https://www.data.qld.gov.au", "href": "https://www.data.qld.gov.au/dataset/flood-awareness-overland-flow", "title": "Queensland Government"}, "original_name": "flood-awareness-overland-flow", "owner_org": "06ace54f-8b8d-4c4b-8ca3-4232b89f8a91", "private": false, "promotion_level": "0", "remote_last_updated": "2026-04-08 10:10:25.615986", "spatial": "Queensland", "state": "active", "temporal_coverage_from": "2024-09-03 02:30:01.251495", "title": "Flood \u2014 Awareness \u2014 Overland Flow", "type": "dataset", "unpublished": false, "url": "https://data.brisbane.qld.gov.au/explore/dataset/flood-awareness-overland-flow", "version": "1.0", "extras": [{"key": "harvest_object_id", "value": "c8ae0555-d92a-4cf3-b005-0dc160cadc60"}, {"key": "harvest_source_id", "value": "3d875b1b-262a-46a4-80e8-414052cd07d5"}, {"key": "harvest_source_title", "value": "Queensland Government"}], "resources": [{"cache_last_updated": null, "cache_url": null, "created": "2021-10-26T00:00:00", "datastore_active": false, "datastore_contains_all_records_of_source_file": false, "description": "This dataset is available on Brisbane City Council\u2019s open data website \u2013 [data.brisbane.qld.gov.au](https://data.brisbane.qld.gov.au). 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