Mr. Wm. Rossasked the Secretary of State for Northern Ireland what is the capacity of the sewage works at Drumohoe, Londonderry; what is the present inflow to it; on how many occasions during the past year it has overflowed; and what prosecutions have resulted from pollution caused by such overflows.
§ Mr. CarterDrumohoe sewage treatment works has a designed capacity for404W a population of 5,000. The present inflow is 450 cubic metres per day—100,000 gallons per day. The Drumohoe works overflowed on four occasions during the past year but regular monitoring downstream did not indicate any deterioration in river quality. No prosecutions resulted from these incidents.