RHONDDA FACH WATER SCHEME, PONTYPRIDD WATER...
TAFF FECHAN RESERVOIR;PONTSTICILL RESERVOIR,...
LLYN CLYWEDOG RESERVOIR, LLANIDLOES
LLYN BRAN, MYNYDD HIRAETHOG
LLYS Y FRAN RESERVOIR
LLYN CELYN, TRYWERYN VALLEY
WENTWOOD RESERVOIR
COEDCAE RESERVOIR III
USK RESERVOIR
LOWER LLIW RESERVOIR
FFESTINIOG PUMPED STORAGE SCHEME: LLYN STWLAN...
LLYN CWELLYN
LLYN COWLYD
LLYN CONWY
ROSEBUSH QUARRY
RESERVOIR AT BANC BLAEN MAGWR