About us
Water Level - 1st May - 78.0%
Current water storage levels in the Hafren Dyfrdwy region are at 78.0% of capacity
For a more detailed breakdown of water storage levels across all of our reservoirs please view the table of information below:
| Reservoir | Capacity (MI) | Current Storage (%) | Current Storage (MI) | Comment | |
|---|---|---|---|---|---|
| TY MAWR & CAE LLWYD | 782 | 77.1 | 603 | ||
| Ty Mawr | 606 | 99.5 | 603 | ||
| Cae Llwyd | 176 | 0.0 | 0 | Building a new spillway. | |
| PENDINAS & LLYN CYFYNWY | 578 | 76.8 | 444 | ||
| Pendinas | 283 | 71.8 | 203 | ||
| Llyn Cyfynwy | 296 | 81.6 | 241 | ||
| NANT Y FFRITH | 103 | 100.0 | 103 | ||
| PEN Y CAE UPPER | 102 | 84.5 | 86 | ||
| PEN Y CAE LOWER | 39 | 88.0 | 35 | ||
| MARCHWIEL | 139 | 64.3 | 89 | ||
| TOTALS | 1743 | 78.0 | 1360 | ||
| LLYN CLYWEDOG | 49936 | 100.0 | 49936 | Not used directly to supply our customers |