Port Arthur flood map & planning overlays
A planning-constraint profile of Port Arthur (Yorke Peninsula Council, SA) - 39.99 km², mapped from live council and state overlay data. This suburb is highly constrained.
Everything below is suburb-wide. Overlays change block to block - see which ones actually touch your lot. The map is free.
Constraint readout
39.99 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Port Arthur's boundary, with the flood, bushfire and environmental overlays drawn on top. It shows where constraints fall; the interactive map shows them on your exact address.
Port Arthur at a glance
How Port Arthur is zoned
Selling in Port Arthur? The zone and overlays on this page are the Planning and Design Code controls a Form 1 vendor's statement has to disclose - a $9 planning report pulls them at the lot level for any Port Arthur address.
Across its 39.99 km², Port Arthur is highly constrained by planning overlays. About 86% of the suburb sits within a mapped flood overlay, and 86% is flagged bushfire-prone. The dominant land-use zone is Rural. The median lot measures about 491,527 m² across 52 parcels. These figures are suburb-wide - the overlays that actually apply to a given lot can differ block to block, which is what a property-level check tells you.
Port Arthur data sources and coverage
Every figure below is an aggregate for the suburb boundary. “Not mapped” means LayeredGeo does not hold a source layer covering this suburb; it is never an all-clear for a particular property.
| Dataset | Coverage | Publisher |
|---|---|---|
| Flood mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Bushfire-prone mapping | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Zoning | Mapped | the South Australian Planning and Design Code and Location SA spatial data |
| Heritage and environment | Mapped where published | the South Australian Planning and Design Code and Location SA spatial data |
| Demographics | Not available | Australian Bureau of Statistics (2021 Census and SEIFA) |
Profile last materially updated 20 August 2026. See the methodology and full source list. Source data changes over time and critical decisions should be checked with the responsible authority.
Check a specific Port Arthur address
See exactly which overlays touch a single property - the interactive map is free. Need it on paper? A full planning PDF is just $9.
See what's in the $9 report →Port Arthur planning - frequently asked
Where can I see a flood map of Port Arthur?
The schematic on this page is a Port Arthur flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 86% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Port Arthur address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Port Arthur flood-prone?
About 86% of Port Arthur falls within a mapped flood overlay, against the council-wide suburb average of 93%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Port Arthur bushfire-prone?
Yes - around 86% of Port Arthur is mapped as bushfire-prone, compared with a Yorke Peninsula Council average of 93%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Port Arthur?
The dominant planning zone in Port Arthur is Rural, though the suburb also includes Conservation and Coastal Waters and Offshore Islands. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Port Arthur have heritage-listed places?
No heritage-listed places are on record within Port Arthur. Even so, it is worth confirming for an individual property before any works.
What is the typical lot size in Port Arthur?
Across 52 surveyed parcels in Port Arthur, the median lot size is about 491,527 m².
Do I need a planning report for a Port Arthur property?
A Port Arthur planning report pulls every overlay - zoning, flood, bushfire, heritage and environmental - that touches a single lot, on live council and state data. The interactive map preview is free; a full PDF report is $9.
Compare nearby suburbs
| Nearby suburb | Distance | Flood mapped | Bushfire-prone |
|---|---|---|---|
| Kulpara Barunga West Council |
6.1 km | 0% | 100% |
| South Hummocks Barunga West Council |
10.1 km | 0% | 100% |
| Melton Barunga West Council |
10.9 km | 0% | 100% |
| Kainton | 11.0 km | 97% | 97% |
| Beaufort Wakefield Regional Council |
11.0 km | 100% | 100% |
| Clinton | 12.7 km | 80% | 80% |
| Port Wakefield Wakefield Regional Council |
14.0 km | 77% | 77% |
| Nantawarra Wakefield Regional Council |
17.4 km | 100% | 100% |
| Ninnes Barunga West Council |
17.4 km | 0% | 100% |
| Goyder Wakefield Regional Council |
17.8 km | 100% | 100% |