Register of Private Water Supplies in Northern Ireland, 2021

The Drinking Water Inspectorate holds a register of private water supplies in Northern Ireland under the Private Water Supplies Regulations (Northern Ireland) 2017. This spatial dataset represents registered supplies as 100m by 100m squares, including both current and historically monitored supplies. The dataset was created on 29 June 2021 and superseded on 27 September 2021.

Use Cases

• Map the distribution of private water supplies based on the spatial polygon layer.
• Monitor compliance and coverage of water safety regulations for commercial or multi-dwelling premises.
• Analyze historical trends in private water supply monitoring based on the inclusion of current and historical records.
• Integrate water supply locations into environmental or public health dashboards for visualisation.

Strengths

• Dataset is based on a statutory register required by the Private Water Supplies Regulations (Northern Ireland) 2017.
• Spatial data is provided in multiple formats (KML, ESRI SHAPE, GEOJSON, CSV, JSON) for flexibility.
• Includes both currently and historically monitored supplies, providing a temporal dimension.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• The dataset was superseded in September 2021; its current operational status is unclear.

Provenance

Source

Drinking Water Inspectorate (DWI), Northern Ireland, via Government Digital Service.

Collection Method

Statutory registry compilation under regulation.

Time Range

Includes records up to June 2021, with historical monitoring data.

Freshness

Dataset created 29 June 2021, superseded 27 September 2021; last update date is unknown.

Geography

Northern Ireland.