Bacterial quality of tile drainage water from manured and fertilized cropland

Bacterial contamination of tile drainage water in three manured and one non-manured cropped fields was studied over a 4-year period at a large, mixed farm near Ottawa, Ontario, Canada. Concentrations of total coliforms, fecal coliforms (FC), fecal streptococci (FS) and Standard Plate Counts at 20 an...

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Bibliographic Details
Published in:Water research (Oxford) 1984, Vol.18 (2), p.127-132
Main Authors: Patni, N.K., Toxopeus, R., Tennant, A.D., Hore, F.R.
Format: Article
Language:English
Subjects:
Applied sciences
bacterial pollution
environmental degradation
Exact sciences and technology
fecal bacteria
fertilizers
manured land
natural resources
Natural water pollution
Pollution
Rainwaters, run off water and others
soil fertility
soil science
tile drainage water
tile effluent
waste management
water management
water resources
Water treatment and pollution
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Summary:Bacterial contamination of tile drainage water in three manured and one non-manured cropped fields was studied over a 4-year period at a large, mixed farm near Ottawa, Ontario, Canada. Concentrations of total coliforms, fecal coliforms (FC), fecal streptococci (FS) and Standard Plate Counts at 20 and 35°C, in both the drainage water and the applied dairy cattle liquid manure varied over a wide range. Bacterial concentrations in long-term winter-stored manure were much lower than in relatively fresh manure. Concentrations of FC and FS in the drainage water from the manured fields were lower than concentrations in the applied manure by 3–5 orders of magnitude. Bacterial concentrations in drainage water from all fields had low geometric mean and median values for all parameters tested. Water quality was satisfactory most of the time for recreational use or for use as a raw water source for drinking water supplies. Factors such as precipitation appeared to have a greater influence on drainage water quality than manure application. Influence of soil type on bacterial concentrations in drainage water from the manured fields was not evident. However, a lower unit-area tile outflow in coarse-textured soil compared to fine-textured soil indicated a greater potential in the former for fecal bacteria reaching groundwater beneath the tile drains.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(84)90059-9