Drinking water testing in Powys - Abercynafon, Aberhafesp, Aberllynfi, Adfa, Berriew, Bettws Cedewain, Bont Dolgadfan, Boughrood, Brecon, Builth Wells, Bwlch, Caersws, Capel-y-Ffin, Carno, Cefn Coch, Cilmery, Clyro, Commins Coch, Crickhowell, Crossgates, Cwmdu, Dolfach, Dylife, Elan Village, Erwood, Esgairgeilliog, Four Crosses, Fron, Garth, Glasbury, Glyntawe, Guilsfield, Hay-on-Wye, Howey, Hyssington, Honddu Isaf, Kerry, Knighton, Llan, Llanbrynmair, Llandinam, Llandrindod Wells, Llandyssil, Llanfair Caereinion, Llanfechain, Llanfylllin, Llangammarch Wells, Llangurig, Llanidloes, Llanigon, Llanrhaedr-ym-Mochnant, Llansantffraid-ym-Mechain, Llanwrtyd Wells, Llanymynech, Llowes, Llyswen, Machynlleth, Manafon, Middletown, Milford, Montgomery, Newbridge-on-Wye, New Radnor, Old Radnor, Pandy, Penegoes, Pennant Melangell, Penpont, Penstrowed, Penybont, Pipton, Pontdolgoch, Presteigne, Rhayader, Sarn, Sennybridge, Staylittle, Talerddig, Talgarth, Tirabad, Trecastle, Treglwys, Walton, Welshpool, Ystradfellte, Ystradgynlais and more.