Register of Private Water Supplies in Northern Ireland, December 2021

A spatial dataset of 100m by 100m squares randomly placed around registered private water supplies in Northern Ireland. The Drinking Water Inspectorate maintains this register under the Private Water Supplies Regulations (Northern Ireland) 2017. This version was created on 30 December 2021 and superseded on 31 March 2022.

Use Cases

• Mapping the distribution of private water supplies based on the spatial polygon layer.
• Analyzing compliance and monitoring coverage for water safety regulations.
• Identifying areas reliant on non-utility water sources for human consumption.
• Supporting environmental health risk assessments based on supply location data.

Strengths

• Includes both currently and historically monitored supplies, providing a temporal dimension.
• Data is structured as a spatial layer (polygons), enabling geographic analysis.
• Created under a specific regulatory framework (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• The dataset is a snapshot from December 2021 and was superseded in March 2022.

Provenance

Source

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

Collection Method

Register maintained by the DWI as required by regulation; spatial layer created by placing 100m squares around registered supplies.

Time Range

Includes supplies monitored historically and as of December 2021.

Freshness

Snapshot from 30 December 2021; superseded on 31 March 2022.

Geography

Northern Ireland