Attributions
Credits and acknowledgements for data sources, libraries and services.
Data sources
Each republished dataset is listed with the licence it carries, its source, and the changes made.
Environment Canterbury
Minimum flow sites
- Licence
CC BY 4.0
- Source
Consents GIS geometry
- Changes made
Each feature becomes a site with its number, name, waterway and location.
Irrigation restriction statuses
- Licence
CC BY 4.0
- Source
Low flow restrictions
- Changes made
- Each status is matched to the site and band it names.
Irrigation restriction thresholds
- Licence
CC BY 4.0
- Source
Consent irrigation restrictions
- Changes made
- Each threshold is joined to its site and band.
Flow readings
- Licence
Environment Canterbury API Terms of Use
- Attribution
- This work uses data sourced from Environment Canterbury.
- Source
Environmental Observations API
- Changes made
Timestamps are read in the clock the feed states them in and converted to a common clock.
Hawke's Bay Regional Council
Irrigation restriction statuses and thresholds
- Licence
CC BY 4.0
- Source
Low flow sites and status
- Changes made
The date an assessment applies to and the date of the flow it rests on are kept separately, and each threshold is joined to its site.
Other sources
The area boundaries were digitised by hand from these datasets.
- Stats NZ - This work is based on/includes Stats NZ's data which are licensed by Stats NZ for reuse under the Creative Commons Attribution 4.0 International licence
- LINZ Data Service - Contains data sourced from the LINZ Data Service and licensed for reuse under CC BY 4.0
Our own readings
Every value and status word on this site is the publisher's own, apart from two that are ours: "Not stated", used where no statement has reached the platform for a place, and "Not tracked", used where the platform does not follow a place.
Built with
- OpenFreeMap - Vector tiles and map styles for the base map
- OpenMapTiles - Map schema used to build the vector tiles
- MapLibre GL JS - Open source map rendering library
- shadcn/ui - React component library used to build this site
- Fumadocs - Documentation framework
- NetTopologySuite - Geospatial analysis library (backend)