Register of Private Water Supplies in Northern Ireland with 100m Grid Squares

A spatial dataset of private water supplies registered in Northern Ireland as of July 2020. The Drinking Water Inspectorate maintains this register, which includes supplies to public, commercial, or multiple private dwellings. The data is represented as 100m by 100m grid squares randomly placed around each registered supply location.

Use Cases

• Map the distribution of private water supplies based on the spatial grid layer.
• Analyze compliance and monitoring coverage for water supplies to public or commercial premises.
• Support environmental health dashboards using the downloadable geospatial formats.

Strengths

• Data is explicitly required by the Private Water Supplies Regulations (Northern Ireland) 2017, providing a legal basis.
• Includes both currently and historically monitored supplies, offering a temporal dimension.
• Available in multiple geospatial formats (KML, ESRI SHAPE, GEOJSON) for interoperability.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• The dataset was superseded in October 2020; the current version is not specified.

Provenance

Source

Government Digital Service, likely via the Drinking Water Inspectorate (DWI).

Collection Method

Registration and monitoring mandated by the Private Water Supplies Regulations (Northern Ireland) 2017.

Time Range

Includes supplies monitored at the time of dataset creation (July 2020) and historical records.

Freshness

Dataset creation date is 6th July 2020; last update date is unknown.

Geography

Northern Ireland.