Additional notes from Canadian government: CANADA Dissolved Organic Carbon (DOC) – the aesthetic objective for DOC is 5 mg/L. High levels of organic carbon in water may be associated with colour, turbidity, and taste and odour problems.
Maine Maximum Exposure Guideline limit:
USA Primary Drinking Water Standard limit:
USA Secondary Drinking Water Standard limit:
Canada Health standard limit:
Canada Aesthetic standard limit:
USA daily recommended allowance: