CEFN MAWR STW HEOL BERWYN CEFN MAWR STW
Cefn Mawr, Cymru / Wales
CEFN MAWR STW HEOL BERWYN CEFN MAWR STW is a wastewater treatment plant in Cefn Mawr, Wales, serving approximately 6,428 people. It operates under UK regulations and discharges into local waterways.