Register of Private Water Supplies in Northern Ireland, January 2021

Northern Ireland's register of private water supplies, maintained by the Drinking Water Inspectorate. The dataset contains a spatial layer of 100-meter squares representing supplies to public, commercial, or multiple private dwellings. It was created on 6th January 2021 and superseded on 30th March 2021.

Use Cases

• Visualize the spatial distribution of private water supplies based on the described polygon layer.
• Analyze proximity of registered supplies to other features for environmental risk assessment.
• Monitor compliance with the Private Water Supplies Regulations (Northern Ireland) 2017 based on the register requirement.

Strengths

• Spatial data provided in multiple geospatial formats including ESRI SHAPE and GEOJSON.
• Dataset creation and supersedence dates are explicitly stated (6th Jan and 30th Mar 2021).
• Includes both current and historically monitored supplies as stated in the description.

Limitations

• Row count is unknown, which may limit suitability assessment.
• Column-level documentation is absent; field semantics must be inferred after download.
• Last update date is unknown; freshness unverified.

Provenance

Source

Government Digital Service

Collection Method

Register compiled by the Drinking Water Inspectorate (DWI) as required by regulation.

Time Range

Data snapshot as of January 2021, includes historical records.

Freshness

Dataset is static and was superseded in March 2021.

Geography

Northern Ireland