Typhoid Fever - Is Water Responsible?

Three new cases of Typhoid Fever reported at Conemaugh - August 1907 - Miss Mary Robinson of Greeve Street sent to Memorial Hospital - The other two cases are foreigners. My grandfathers Aunt Annie Lenz who was married to her cousin Charles Lenz died of Typhoid in 1905 - while they lived in Conemaugh. In my research - it seems that sections of Conemaugh had it worse than other parts of the city. But having said this - all Johnstown neighborhoods had their own sanitary problems. Especially parts of Morrellville - that lived near butcher shops.