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3rd International Rainwater Cistern Systems Conference
Khon Kaen, Thailand - January, 1987

Section F: Water Quality

Paper F.2

Water Quality of Rain Water Collection Systems in the Eastern Caribbean

R. H. Haeber
Engineer
Acres International Limited
#625-5251 Duke Street, Halifax
N. S. B3J IPS
Canada

D.H. Waller
Professor and Head
Department of Civil Engineering
Technical University of Nova Scotia
P. 0. Box 1000, Halifax
N. S. B3J 2X4
Canada.

Abstract

Bacteriological, chemical and physical water quality of rain water collection systems in the Eastern Caribbean were monitored over a four month period. Bacteriological levels exceeded Canadian Drinking Water Guidelines on a few occasions, but most were below acceptable levels. Chemical ion concentrations fluctuated throughout the sampling period, with iron and lead the only parameters exceeding Canadian Guidelines. The impact of industrial emissions on cistern water quality was found to be negligible, based on the heavy metal analysis. Roof and cistern materials, and maintenance practices, influence cistern water quality.

PDF of full document (17pp, 430kb)


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