Register of Private Water Supplies in Northern Ireland, March 2021

Northern Ireland's register of private water supplies not provided by the public utility, intended for human consumption. The dataset, created by the Drinking Water Inspectorate, consists of 100m by 100m polygons randomly placed around registered supply locations and includes both current and historical monitoring records. It was created on 30th March 2021 and superseded on 29th June 2021.

Use Cases

• Map the distribution of private water supplies based on the polygon layer.
• Monitor regulatory compliance for supplies to public or commercial premises.
• Analyze historical and current water supply monitoring coverage.
• Create dashboards for public health oversight of drinking water sources.

Strengths

• Includes both current and historically monitored supplies, providing temporal context.
• Data is provided in multiple geospatial formats (KML, ESRI SHAPE, GEOJSON) for flexibility.
• Created under a statutory requirement (The Private Water Supplies Regulations (Northern Ireland) 2017).

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• The dataset was superseded in June 2021; its current operational status is unclear.

Provenance

Source

Drinking Water Inspectorate (DWI), Northern Ireland.

Collection Method

Register compiled as required by The Private Water Supplies Regulations (Northern Ireland) 2017.

Time Range

Includes supplies monitored at the time of dataset creation (March 2021) and historical records.

Freshness

Dataset was created on 30th March 2021 and superseded on 29th June 2021; last update date is unknown.

Geography

Northern Ireland.