Deddf y Diwydiant Dŵr 1991 (p. 56)
248. Yn adran 141(1), yn y man priodol mewnosoder—
““appropriate agency” means—
(a)
in relation to the discharge or proposed discharge of special category effluent to a public sewer that directly or indirectly discharges or is to discharge (other than via a storm-water overflow sewer) that effluent to any controlled waters in England, the Environment Agency;
(b)
in relation to the discharge or proposed discharge of special category effluent to a public sewer that directly or indirectly discharges or is to discharge (other than via a storm-water overflow sewer) that effluent to any controlled waters in Wales, the NRBW;”.