Register of Private Water Supplies in Northern Ireland, 2021

A spatial dataset of private water supplies intended for human consumption in Northern Ireland. The Drinking Water Inspectorate maintains this register, which includes supplies to public, commercial, or multiple private dwellings. The dataset was last updated on 27 September 2021.

Use Cases

• Mapping the distribution of private water supplies based on the spatial polygon layer.
• Monitoring regulatory compliance for water intended for human consumption.
• Analyzing historical and current water supply coverage for public health studies.

Strengths

• Data is updated regularly by the Drinking Water Inspectorate, at least quarterly.
• Includes both currently and historically monitored private water supplies.
• Spatial data is provided in multiple formats, including KML, GeoJSON, and ESRI Shape.

Limitations

• Row count and dataset size are unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Drinking Water Inspectorate (DWI), required by The Private Water Supplies Regulations (Northern Ireland) 2017.

Collection Method

Register of supplies to public/commercial premises or two or more private dwellings.

Time Range

Data includes historical and current records; most recent update 2021.

Freshness

Last confirmed update was 27 September 2021.

Geography

Northern Ireland.