---
title: Water New South Wales (WNSW) open data
resource: https://publicdata.au/nsw/water-new-south-wales-wnsw/
jurisdiction: New South Wales
catalogue_read: 2026-09-28
not_endorsed: true
---

# Water New South Wales (WNSW) open data

Water New South Wales (WNSW) lists 8 datasets on data.nsw.gov.au. 6 of them have an open licence and a file or API we can read.

## On the portals

- [Real-Time Water - Surface Water Monitoring (Rivers and Streams)](https://data.nsw.gov.au/data/dataset/surface-water-monitoring-streams) (PDF, SEED WEB MAP, URL, XML; CC-BY; updated 2026-02-11)
- [Water Quality - Murray Darling Basin](https://data.nsw.gov.au/data/dataset/water-quality-murray-darling-basin) (DOC, PDF, XLS, XML; CC-BY; updated 2026-02-11)
- [DSEP Menindee Lakes Storages V3.0 April 2020](https://data.nsw.gov.au/data/dataset/fdp-dsep-menindee-lakes-storages-v3-0-april-2020) (no files; Licence Specified by Agency; updated 2025-12-17)
- [Tallowa Dam DSEP Inundation Data - 2019 Dam Break Assessment](https://data.nsw.gov.au/data/dataset/fdp-tallowa-dam-dsep-inundation-data-2019-dam-break-assessment) (no files; Licence Specified by Agency; updated 2025-12-17)
- [Sydney Drinking Water Catchment Boundary](https://data.nsw.gov.au/data/dataset/sydney-drinking-water-catchment) (ARCGIS REST SERVICE, PDF, SPATIAL VIEWER, ZIP; CC-BY; updated 2025-10-22)
- [Greater Sydney Water Supply Data](https://data.nsw.gov.au/data/dataset/greater-sydney-water-supply-data) (API, PDF, SEED WEB MAP, WMS; CC-BY-3.0; updated 2025-10-08)
- [Real-Time Water - Groundwater Monitoring](https://data.nsw.gov.au/data/dataset/groundwater-monitoring) (PDF, SEED WEB MAP, URL, XML; CC-BY; updated 2025-10-08)
- [Real-Time Water - Major Storage Monitoring](https://data.nsw.gov.au/data/dataset/major-storage-monitoring) (PDF, SEED WEB MAP, URL, XML; CC-BY; updated 2025-10-08)

Full list: https://publicdata.au/nsw/water-new-south-wales-wnsw/catalogue.json