Rubuta ci gaba don wannan sakin layi - Tun kafin a kammala aiki a Hampton, gurɓatar da ruwan samar da ruwa na Kamfanin Ruwa na Southwark da Vauxhall, wanda ke ba da ruwa ga gundumar Southwark, Battersea, da sauran wurare a kusa, ya haifar da barkewar cutar kwalara ta 1853. Wani sabon barkewar cutar kwalara a Soho
a 1854 kara da gaggawa. Dukkanin barkewar cutar an yi nazarin su ne ta hanyar Dr. John Snow. Sabbin kayan aikin kamfanin a Hampton (wanda aka raba tare da wasu kamfanonin ruwa guda biyu) ya fara aiki ne kawai a shekara ta 1855.