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.
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