July 6, 1890: Death of Edwin Chadwick. Edwin Chadwick was an English social reformer who was noted for his work to reform the Poor Laws and improve sanitary conditions and public health. The appointment of the Poor Law Commission in 1834 which included Edwin Chadwick is widely believed to be the beginning of the sanitary movement in England. Through Chadwick’s work and influence, more sophisticated health statistics were collected which revealed that public health problems were increasing at a rapid rate. Chadwick imposed his “sanitary idea” which focused on disease prevention. A survey published by the Poor Law Commission in 1842 detailed the horrific working and living conditions in England at the time. The report linked epidemic disease, especially related to fever diseases (typhoid, typhus and cholera) to filthy environmental conditions. Privy vaults, shallow urban wells and piles of garbage and animal excrement in the streets were all related to…

June 29, 1989:  Surface Water Treatment Rule and Total Coliform Rule promulgated on this date. These are two of the most important drinking water regulations adopted by the USEPA under the Safe Drinking Water Act of 1974. A summary of the SWTR stated:  “This notice, issued under the Safe Drinking Water Act, publishes maximum contaminant level goals for Giardia lamblia viruses, and Legionella; and promulgates national primary drinking water regulations for public water systems using surface water sources or ground water sources under the direct influence of surface water that include (1) criteria under which filtration (including coagulation and sedimentation, as appropriate) are required and procedures by which the States are to determine which systems must install filtration, and (2) disinfection requirements. The filtration and disinfection requirements are treatment technique requirements to protect against the potential adverse health effects of exposure to Giardia lamblia, viruses, Legionella, and heterotrophic bacteria, as…