Hafren Dyfrdwy
Hafren Dyfrdwy annual performance and water quality reporting
Statutory and voluntary reporting published by Hafren Dyfrdwy, the water undertaker for parts of north and mid Wales. Includes the annual performance report, drinking water quality reports by supply zone, water resources management plan, charges scheme, environmental performance and storm overflow data.
Rights
- Licence
- Publisher terms — public access, reuse not clearly granted
- Commercial reuse
- Not clearly stated
- Redistribution
- No
- Derivative use
- Not clearly stated
- Attribution required
- YesData from Hafren Dyfrdwy, used under Publisher terms — public access, reuse not clearly granted.
- Restrictions
- Company publications are freely readable but are not released under an open licence. Hydrionis cites and links to them, and relies on the regulators — Ofwat, DWI, DWQR and the environment agencies — for figures it republishes.
- Terms last checked
- 23 August 2026
Access and coverage
- Publisher
- Hafren Dyfrdwy
- Website
- https://www.hdcyf.co.uk/
- Geographic coverage
- parts of north and mid Wales
- Update frequency
- annual
- Formats
- pdf, xlsx, html
- Bulk download
- Not available
- Registration required
- No
- Cost to Hydrionis
- Free
- Domains
- quality, leakage, tariff, utility performance, wastewater, infrastructure