Lake Alexandrina flood map & planning overlays
A planning-constraint profile of Lake Alexandrina (The Rural City of Murray Bridge, SA) - 590.91 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
590.91 km² - this suburb is highly constrained by planning overlays.
Elevation hillshade with street names, clipped to Lake Alexandrina'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.
Lake Alexandrina at a glance
How Lake Alexandrina is zoned
Selling in Lake Alexandrina? 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 Lake Alexandrina address.
Across its 590.91 km², Lake Alexandrina is highly constrained by planning overlays. About 100% of the suburb sits within a mapped flood overlay, and 100% is flagged bushfire-prone. There are 4 heritage-listed sites on record, and the dominant land-use zone is Conservation. The median lot measures about 114,573 m² across 85 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.
Lake Alexandrina 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 Lake Alexandrina 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 →Lake Alexandrina planning - frequently asked
Where can I see a flood map of Lake Alexandrina?
The schematic on this page is a Lake Alexandrina flood map: the mapped flood overlays drawn over the suburb's terrain and street grid, covering about 100% of the suburb. Flood lines vary block to block, so for a specific property use the free interactive map - search any Lake Alexandrina address and it shows the flood, zoning and bushfire mapping on the exact lot boundary.
Is Lake Alexandrina flood-prone?
About 100% of Lake Alexandrina falls within a mapped flood overlay, against the council-wide suburb average of 100%. Flood overlays vary block to block, so whether a particular lot is affected needs a property-level check.
Is Lake Alexandrina bushfire-prone?
Yes - around 100% of Lake Alexandrina is mapped as bushfire-prone, compared with a The Rural City of Murray Bridge average of 99%. A bushfire-prone designation can trigger additional building requirements, so check the specific address.
What is the zoning in Lake Alexandrina?
The dominant planning zone in Lake Alexandrina is Conservation, though the suburb also includes Rural Living and Rural. Zoning sets what you can build and do on a site, and can differ lot by lot.
Does Lake Alexandrina have heritage-listed places?
Lake Alexandrina has 4 heritage-listed places on record. Heritage listing affects what you can alter or demolish, so confirm whether a specific property is listed or near a heritage place.
What is the typical lot size in Lake Alexandrina?
Across 85 surveyed parcels in Lake Alexandrina, the median lot size is about 114,573 m².
Do I need a planning report for a Lake Alexandrina property?
A Lake Alexandrina 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 |
|---|---|---|---|
| Tolderol Alexandrina Council |
11.1 km | 78% | 100% |
| Narrung Coorong District Council |
13.8 km | 100% | 100% |
| Lake Plains Alexandrina Council |
15.0 km | 63% | 100% |
| Poltalloch Coorong District Council |
15.2 km | 100% | 100% |
| Point Sturt Alexandrina Council |
17.0 km | 100% | 100% |
| Mulgundawa | 17.1 km | 100% | 100% |
| Nalpa | 17.1 km | 100% | 100% |
| Langhorne Creek Alexandrina Council |
19.9 km | 29% | 100% |
| Wellington | 20.3 km | 100% | 100% |
| Ashville Coorong District Council |
20.5 km | 100% | 100% |