Dr. G. T. Swarts operated the first local board of health bacteriological laboratory in the United States for examination of water supplies. This was not a diagnostic bacteriological laboratory. Category: 1899 - 1800, United States of America10. 4. 1888Post navigationPreviousPrevious post:1888 – A law prescribing an 8 hour day for mail carriersNextNext post:1887 – Sergei Winogradsky – Pioneer in Environmental Microbiology