Sewage Disposal Works, Tremeirchion, St Asaph, Denbighshire,
Barn sgrinio AEA ar gyfer Newid defnydd arfaethedig o dir ac adeiladu cynllun "Integrated Constructed Treatment Wetland (ICTW)" a gwaith cysylltiedig / EIA screening opinion request for the proposed change of use of land and construction of an "Integrated Constructed Treatment Wetland (ICTW)" scheme and associated works