Skip to main content

Table 2 Water Microbiological test results in four periods before and during the Olympics

From: Management of environmental health issues for the 2004 Athens Olympic Games: is enhanced integrated environmental health surveillance needed in every day routine operation?

   Microbiological test results
Premises Samples January – December 2003 January – May 2004 June – July 2004 Olympic Games
   Total Positive (%) Total Positive (%) Total Positive (%) Total Positive (%)
Water supply systems* 1657 256 30 (11.7) 491 81 (16.4) 610 78 (12.7) 300 38 (12.6)
Water supply systems 2142 292 32 (10.9) 767 101 (13.1) 870 178 (20.4) 213 36 (16.9)
Swimming pools 560 123 16 (13.0) 66 6 (9.0) 170 31 (18.2) 201 21 (10.4)
Cooling towers 204 81 37 (45.6) 15 0 (0.0) 64 22 (34.0) 44 7 (15.9)
Decorative fountains 151 78 0 (0.0) 32 2 (2.5) 36 0 (0.0) 5 0 (0.0)
Bottled water plants 252 98 0 (0.0) 105 0 (0.0) 34 0 (0.0) 15 0 (0.0)
Seacoast 58 11 2 (18.1) 27 0 (0.0) 16 0 (0.0) 4 0 (0.0)
Total 5024 939 117 (12.4) 1503 190 (12.6) 1800 309 (17.1) 782 102 (13.0)
  1. *Samples tested for the presence of coliform bacteria, Escherichia coli, intestinal enterococci, Clostiridium perfringens (including spores).
  2. Samples tested for Legionella spp.