--- title: Reservoir volumes, metropolitan Adelaide resource: https://publicdata.au/d/sa-reservoir-volumes/ publisher: SA Water licence: CC BY 4.0 licence_url: https://creativecommons.org/licenses/by/4.0/ version: 2026-08-31 rows: 11 fields: 8 source: https://data.sa.gov.au/data/dataset/987a4cd9-e95e-43f1-9fb0-e3f629e06190/resource/c98f91a2-a776-4761-a0d1-1360f1a3b3af/download/reservoirvolumesforaugust2026.csv source_sha256: 804a4815d5d1255964f5f3d573f467839fa4db716eef3da1c25257dc43480a17 language: en-AU operator: National Digital not_endorsed: true --- # Reservoir volumes, metropolitan Adelaide The capacity and volume of each reservoir supplying metropolitan Adelaide, and of Middle River Reservoir on Kangaroo Island, on the last business day of the newest month, with the volume a year earlier and the month's average. Updated monthly. Published by SA Water under CC BY 4.0 and republished here in other formats, with cells typed and suppressed values made null. SA Water has not endorsed this site. Also called: SA Water Reservoir Volumes, Adelaide dam levels, Mount Bold reservoir level, Adelaide Hills reservoir storage. ## Download Latest version, redirects to `https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/`: - csv: https://publicdata.au/d/sa-reservoir-volumes/latest/data.csv (1.0 KB) - xlsx: https://publicdata.au/d/sa-reservoir-volumes/latest/data.xlsx (8.8 KB) - json: https://publicdata.au/d/sa-reservoir-volumes/latest/data.json (4.4 KB) - geojson: https://publicdata.au/d/sa-reservoir-volumes/latest/data.geojson (5.0 KB) - parquet: https://publicdata.au/d/sa-reservoir-volumes/latest/data.parquet (7.3 KB) - sqlite: https://publicdata.au/d/sa-reservoir-volumes/latest/data.sqlite (29 KB) - duckdb: https://publicdata.au/d/sa-reservoir-volumes/latest/data.duckdb (100 KB) - gpkg: https://publicdata.au/d/sa-reservoir-volumes/latest/data.gpkg (57 KB) - geo.parquet: https://publicdata.au/d/sa-reservoir-volumes/latest/data.geo.parquet (5.4 KB) - ndjson: https://publicdata.au/d/sa-reservoir-volumes/latest/data.ndjson (3.9 KB) - arrow: https://publicdata.au/d/sa-reservoir-volumes/latest/data.arrow (5.9 KB) - csv.gz: https://publicdata.au/d/sa-reservoir-volumes/latest/data.csv.gz (504 B) Pinned version 2026-08-31: `https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/data.`. Dated versions never change. ## Query The query API returns only the rows you ask for, as JSON, NDJSON or CSV, from the same typed rows as the files. It needs no key. Rows: https://publicdata.au/api/v1/datasets/sa-reservoir-volumes/rows. Counts and sums: https://publicdata.au/api/v1/datasets/sa-reservoir-volumes/aggregate. - Rows: https://publicdata.au/api/v1/datasets/sa-reservoir-volumes/rows?limit=5 - Aggregate: https://publicdata.au/api/v1/datasets/sa-reservoir-volumes/aggregate?group=reservoir&metric=sum.volume_ml Each filter is `field=operator.value` in the query string, and every filter must match. A number or date field compares as a number or date, and a text field compares as text. Values are case-sensitive except with `ilike`. Prefix `not.` to negate a filter, as `not.eq.value`. Operators: `eq.value`, `neq.value`, `gt.value`, `gte.value`, `lt.value`, `lte.value`, `like.*text*`, `ilike.*text*`, `in.(a,b,c)`, `is.null`. - `select`: Fields to return, comma-separated. Every field when absent. - `order`: `field.asc` or `field.desc`, comma-separated. The publisher's row order when absent. - `limit`: Rows per page, 1 to 10,000. 100 when absent. - `offset`: Rows to skip. The `next` URL in each answer sets it for you. - `group`: On `aggregate`, fields to group by, comma-separated. - `metric`: On `aggregate`, `count`, `sum.field`, `avg.field`, `min.field` or `max.field`, comma-separated. `count` when absent. - `format`: `json`, `ndjson` or `csv`. JSON carries the provenance header, and the others carry it in response headers. Without a version the API answers from the newest loaded version, and that answer changes when the publisher releases again. Put `versions//` before `rows` or `aggregate` for an answer that never changes. `/api/v1/datasets//versions` lists the loaded versions. The API allows 60 requests in 10 seconds from one address. Above that it answers 429 for 10 seconds with a `Retry-After` header, a `RateLimit-Policy` header and a JSON body that gives the limit. Every API answer carries the same `RateLimit-Policy`. A client should wait the `Retry-After` seconds, or read the files, which have no limit. OpenAPI for this dataset: https://publicdata.au/d/sa-reservoir-volumes/openapi.json ## Explore Charts and dashboards in the browser: https://publicdata.au/d/sa-reservoir-volumes/explore/. A dashboard can be shared as a link or embedded. ## Fields | field | type | publisher's header | note | |---|---|---|---| | `date` | date | Date | | | `reservoir` | string | ROReportLabel | | | `capacity_ml` | number | Capacity__ML_ | | | `volume_ml` | number | Volume_today__ML_ | | | `volume_last_year_ml` | number | Volume_this_Day_last_year__ML_ | | | `average_volume_month_ml` | number | Average_Volume_this_Month | | | `latitude` | number | Latitude | | | `longitude` | number | Longitude | | Key: `reservoir`. ## Versions - 2026-08-31: 11 rows, 8 fields, sha256 804a4815d5d1. https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/ Machine-readable: https://publicdata.au/d/sa-reservoir-volumes/versions.json, https://publicdata.au/d/sa-reservoir-volumes/changes.json, https://publicdata.au/d/sa-reservoir-volumes/datapackage.json, https://publicdata.au/d/sa-reservoir-volumes/schema.json, https://publicdata.au/d/sa-reservoir-volumes/history.tar.zst ## Same subject, other publishers - [Daily water storage levels, Australian dams and reservoirs](https://publicdata.au/d/au-water-storage-levels/) (Cth) - [Daily storage volume of Melbourne Water's dams, 1940 to 2020](https://publicdata.au/d/vic-melbourne-water-daily-storage/) (Vic) - [Water storages reporting to the Bureau of Meteorology, Australia](https://publicdata.au/d/au-water-storages/) (Cth) - [Monthly water storage levels, Victoria](https://publicdata.au/d/vic-water-storage-levels/) (Vic) - [Water storages and their capacity, Victoria](https://publicdata.au/d/vic-water-storages/) (Vic) - [Lakes and rivers water quality samples, ACT](https://publicdata.au/d/act-lakes-rivers-water-quality/) (ACT) - [Recreational lakes and rivers water quality, ACT, 2019-20 season](https://publicdata.au/d/act-recreational-water-quality-2019-20/) (ACT) - [Recreational lakes and rivers water quality, ACT, 2018-19 season](https://publicdata.au/d/act-recreational-water-quality-2018-19/) (ACT) - [Beachwatch swim sites with pollution forecasts and latest water quality, New South Wales](https://publicdata.au/d/nsw-beachwatch-sites/) (NSW) - [Open surface water gauging stations, Queensland](https://publicdata.au/d/qld-surface-water-gauging-stations/) (Qld) - [Bushfire and prescribed burn history, South Australia](https://publicdata.au/d/sa-fire-history/) (SA) - [River Murray predicted flood extent at 100 GL a day, South Australia](https://publicdata.au/d/sa-river-murray-flood-100gl/) (SA) ## Attribution and citation SA Water, Government of South Australia, Reservoir Volumes, https://data.sa.gov.au/data/dataset/reservoir-volumes-2018, accessed 3 October 2026, licensed under CC BY 4.0. The licence requires the publisher's attribution. We ask that you also name publicdata.au and link to the version you used. Plain text: SA Water, Government of South Australia, Reservoir Volumes, https://data.sa.gov.au/data/dataset/reservoir-volumes-2018, accessed 3 October 2026, licensed under CC BY 4.0. Serialised and versioned by National Digital at publicdata.au, https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/ Harvard: SA Water (2026) Reservoir volumes, metropolitan Adelaide, version 2026-08-31 [data set], CC BY 4.0, sourced 3 October 2026. Serialised and versioned by National Digital at publicdata.au. Available at: https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/ Markdown: Data: [Reservoir volumes, metropolitan Adelaide](https://data.sa.gov.au/data/dataset/reservoir-volumes-2018), SA Water, [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/), sourced 3 October 2026. Files: [publicdata.au](https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/) by [National Digital](https://nationaldigital.com.au/). ## Questions ### How do I download Reservoir volumes as a CSV file? Open https://publicdata.au/d/sa-reservoir-volumes/latest/data.csv. It redirects to the newest dated version, which is https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/data.csv today. The same path serves Excel, JSON, GeoJSON, Parquet, SQLite, DuckDB, GeoPackage, GeoParquet, NDJSON, Arrow. A dated URL never changes, so use it when the file must stay the same. ### Can I open Reservoir volumes in Excel? Yes. https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/data.xlsx is a workbook with the 11 rows on a records sheet, the field list on a second sheet and the provenance on a third. The CSV also opens in Excel. https://publicdata.au/d/sa-reservoir-volumes/v/2026-08-31/data.csv.gz is the CSV at about a tenth of the size. ### How often is Reservoir volumes updated? SA Water releases it monthly. This site checks the portal every week and adds a dated version when the file changes. ### Can I use Reservoir volumes commercially? Yes. CC BY 4.0 allows commercial use, redistribution and derived works as long as the attribution is kept. The attribution string is in this page's side column and inside every file. ### Is this the official source for Reservoir volumes? No. The publisher is SA Water, and its page is https://data.sa.gov.au/data/dataset/reservoir-volumes-2018. This site republishes the publisher's file without changing its content. The original sits beside every version as source.csv with its SHA-256, so the two can be compared. ### What coordinate system does Reservoir volumes use? Coordinates to two decimal places as published. The publisher states no datum, so they are read as WGS84 (EPSG:4326). The GeoJSON file uses the same coordinates, which is what GeoJSON expects. ### What is in each row? One reservoir on the last business day of the month, with its capacity, the volume held that day and on the same day a year earlier, the average volume for the month, all in megalitres, and its location. The list holds the reservoirs supplying metropolitan Adelaide and also Middle River Reservoir on Kangaroo Island. ### Which month does the table cover? The newest month the publisher has released, August 2026 at the first version. SA Water adds a file each month, and each becomes a version here. The files from May 2018 stay on the portal. ### Why might a new month fail to load? The publisher has renamed the reservoir name column between files, so a month whose header differs is held for review before it is published. ## What this site did to the data Cells were typed, headers were renamed to snake_case and the encoding was made UTF-8. Rows were left alone. Nothing is derived. The publisher's file is beside every version as `source.csv`. ## Improve this dataset This page is built from [register/sa-reservoir-volumes.yaml](https://github.com/National-Digital/publicdata.au/blob/main/register/sa-reservoir-volumes.yaml) on GitHub, and a fix to it is welcome as a pull request. https://publicdata.au/contribute/ explains how.