2009/13 – Bedourie (Queensland) – E.coli, Total Dissolved Solids

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Bedourie (Queensland): E.coli
2009 E.coli 40 organisms/100mL (highest detection)
The positive E.coli readings in 2009 were tracked down to contamination during repairs to a
reticulation main.
http://www.diamantina.qld.gov.au/documents/800087/3941578/Diamantina%20DWQMP%20v2a%20%28ID%20113389%29.pdf

“Coliforms are Gram-negative, non-spore-forming, rod-shaped bacteria that are capable of aerobic and facultative anaerobic growth in the presence of bile salts or other surface active agents with similar growth-inhibiting properties. They are found in large numbers in the faeces of humans and other warm-blooded animals, but many species also occur in the environment.

Thermotolerant coliforms are a sub-group of coliforms that are able to grow at 44.5 ± 0.2°C. E. coli is the most common thermotolerant coliform present in faeces and is regarded as the most specific indicator of recent faecal contamination because generally it is not capable of growth in the environment. In contrast, some other thermotolerant coliforms (including strains of Klebsiella, Citrobacter and Enterobacter) are able to grow in the environment and their presence is not necessarily related to faecal contamination. While tests for thermotolerant coliforms can be simpler than for E. coli, E. coli is considered a superior indicator for detecting faecal contamination…” ADWG 2011

Bedourie – Queensland – Total Dissolved Solids

2009/13: Bedourie (Queensland) – Total Dissolved Solids 1200 mg/L (Maximum Level)

GUIDELINE

“No specific health guideline value is provided for total dissolved solids (TDS), as there are no
health effects directly attributable to TDS. However for good palatability total dissolved solids
in drinking water should not exceed 600 mg/L.