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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 | 77.6 | 606 | ||
| Ty Mawr | 606 | 100.0 | 606 | ||
| Cae Llwyd | 176 | 0.0 | 0 | Building a new spillway. | |
| PENDINAS & LLYN CYFYNWY | 578 | 93.8 | 542 | ||
| Pendinas | 283 | 91.6 | 259 | ||
| Llyn Cyfynwy | 296 | 95.8 | 283 | ||
| NANT Y FFRITH | 103 | 100.0 | 103 | ||
| PEN Y CAE UPPER | 102 | 99.0 | 101 | ||
| PEN Y CAE LOWER | 39 | 72.3 | 28 | ||
| MARCHWIEL | 139 | 95.1 | 132 | ||
| TOTALS | 1743 | 86.8 | 1513 | ||
| LLYN CLYWEDOG | 49936 | 87.1 | 43494 | Not used directly to supply our customers |