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Sanitary study of surface water and of the beach of a water sports and leisure complex

Published online by Cambridge University Press:  19 October 2009

D. Chabasse
Affiliation:
Service des Maladies Parasitaires et Exotiques, C.H.U. 4 Rue Larrey, 49040 Angers Cedex
P. Laine
Affiliation:
Laboratoire de Bactériologie et Virologie, C.H.U. 4 Rue Larrey, 49040 Angers Cedex
A. M. Simitzis-Le-Flohic
Affiliation:
Department de Bactériologie, Virologie, Parasitologie, Faculté de Médecine, 22 Avenue Camille Desmoulin, 29279 Brest Cedex
B. Martineau
Affiliation:
Service des Maladies Parasitaires et Exotiques, C.H.U. 4 Rue Larrey, 49040 Angers Cedex
M. El Hourch
Affiliation:
Laboratoire Départemental d'Hydrologie, Cité Administrative, 49043 Angers Cedex
J. P. Becaud
Affiliation:
Laboratoire Départemental d'Hydrologie, Cité Administrative, 49043 Angers Cedex
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Summary

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This report presents the parasitological, bacteriological, mycological and physicochemical data obtained from both surface water and beach sand of a lake used for water sports. These show that the lake is contaminated in both winter and spring by water which overflows from the River Maine, and is self-purified by a mechanism of ‘lagunage’. In summer signs of pollution are at their lowest level although use of the complex is at its peak. Conversely, the amoebic flora, which is independent of the usual criteria of pollution, predominates in summer, and serves as a marker for the need for increased surveillance. The sand of the beaches does not appear to show any infectious hazard. Environmental pressure will doubtless change these data over a period of time, and it is planned to monitor this.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1986

References

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