Water Resources Act 1991

87 Discharges into and from public sewers etc

(1) For the purposes of section 85 above where—

(a) any sewage effluent is discharged as mentioned in subsection (3) or (4) of that section from any sewer or works vested in a sewerage undertaker; and

(b) the undertaker did not cause or knowingly permit the discharge but was bound (either unconditionally or subject to conditions which were observed) to receive into the sewer or works matter included in the discharge,

the undertaker shall be deemed to have caused the discharge.

(2) A sewerage undertaker shall not be guilty of an offence under section 85 above by reason only of the fact that a discharge from a sewer or works vested in the undertaker contravenes conditions of a consent relating to the discharge if—

(a) the contravention is attributable to a discharge which another person caused or permitted to be made into the sewer or works;

(b) the undertaker either was not bound to receive the discharge into the sewer or works or was bound to receive it there subject to conditions which were not observed; and

(c) the undertaker could not reasonably have been expected to prevent the discharge into the sewer or works.

(3) A person shall not be guilty of an offence under section 85 above in respect of a discharge which he caused or permitted to be made into a sewer or works vested in a sewerage undertaker if the undertaker was bound to receive the discharge there either unconditionally or subject to conditions which were observed.