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Water Level - 18th December - 86.8%
Current water storage levels in the Hafren Dyfrdwy region are at 86.8% 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 | 77.4 | 605 | ||
| Ty Mawr | 606 | 99.8 | 605 | ||
| Cae Llwyd | 176 | 0.0 | 0 | Building a new spillway. | |
| PENDINAS & LLYN CYFYNWY | 578 | 89.4 | 517 | ||
| Pendinas | 283 | 81.8 | 231 | ||
| Llyn Cyfynwy | 296 | 96.7 | 286 | ||
| NANT Y FFRITH | 103 | 100.0 | 103 | ||
| PEN Y CAE UPPER | 102 | 99.0 | 101 | ||
| PEN Y CAE LOWER | 39 | 0.0 | 0 | ||
| MARCHWIEL | 139 | 98.1 | 136 | ||
| TOTALS | 1743 | 83.9 | 1463 | ||
| LLYN CLYWEDOG | 49936 | 94.6 | 47239 | Not used directly to supply our customers |