About us
Water Level - 19th May - 71.6%
Current water storage levels in the Hafren Dyfrdwy region are at 71.6% 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 | 61.2 | 478 | ||
| Ty Mawr | 606 | 78.9 | 478 | ||
| Cae Llwyd | 176 | 0.0 | 0 | Building a new spillway. | |
| PENDINAS & LLYN CYFYNWY | 578 | 75.8 | 438 | ||
| Pendinas | 283 | 67.2 | 190 | ||
| Llyn Cyfynwy | 296 | 84.0 | 248 | ||
| NANT Y FFRITH | 103 | 97.8 | 101 | ||
| PEN Y CAE UPPER | 102 | 59.9 | 61 | Slowly refilling | |
| PEN Y CAE LOWER | 39 | 100.0 | 39 | ||
| MARCHWIEL | 139 | 93.6 | 130 | ||
| TOTALS | 1743 | 71.6 | 1248 | ||
| LLYN CLYWEDOG | 49936 | 93.1 | 46490 | Not used directly to supply our customers |