2015/16 – Julia Creek (Queensland) – Fluoride, Sodium

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2015/16 – Julia Creek – Fluoride
2015/16: Julia Creek (Queensland) – Fluoride 6.34mg/L (highest detection), 3.09mg/L average detection.
34 breaches during year

“Fluoride occurs naturally in seawater (1.4 mg/L), soil (up to 300 parts per million) and air (from volcanic gases and industrial pollution). Naturally occurring fluoride concentrations in drinking water depend on the type of soil and rock through which the water drains. Generally, concentrations in surface water are relatively low (<0.1–0.5 mg/L), while water from deeper wells may have quite high concentrations (1–10 mg/L) if the rock formations are fluoride-rich.” 2011 ADWG.

2015/16 – Julia Creek – Sodium

2015/16: Julia Creek (Queensland) – Sodium 288mg/L (highest detection) Sodium 135mg/L (average detection)

1 breach during year

“Based on aesthetic considerations (taste), the concentration of sodium in drinking water
should not exceed 180 mg/L….The sodium ion is widespread in water due to the high solubility of sodium salts and the abundance of mineral deposits. Near coastal areas, windborne sea spray can make an important contribution either by fallout onto land surfaces where it can drain to drinking water sources, or from washout by rain. Apart from saline intrusion and natural contamination, water treatment chemicals, domestic water softeners and
sewage effluent can contribute to the sodium content of drinking water.” ADWG 2011