Huge drains were constructed to intercept sewage before it reached the river and then to transport it to the east of London, where it eventually flowed into the sea on the ebb tide.
Ehitati hiigelsuured kollektorid heitvee käitlemiseks enne selle jõkke jõudmist ja Londoni idaossa kandumist ning lõpuks mõõnaga merre valgumist.