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