Seine E. coli levels a health concern Water tests from ... Leptospira, transmitted by rodent urine and which can also be found in contaminated water, can cause severe kidney disease.

To be considered safe for swimming, the E. coli counts must be below 300 per 100 milliliters. Samples are takes 1 foot below the surface (between 3 and 6 feet in depth) and sent to a laboratory for ...

Unsafe levels of E. coli found in Paris' Seine River under 2 months before Olympics Paris Olympics organizers say swimming events still set for cleaned-up Seine River "It's still a challenge ...

The women's competition is also scheduled for the same day, but both events will only happen if water tests show acceptable levels of E. coli ... found that 70% of respondents viewed the Seine ...