# The Natural Mineral Water, Spring Water and Bottled Drinking Water (England) Regulations 2007, Schedule 8: Labelling indications for natural mineral water and criteria for use

Extent: E+W

Indication
Criteria
Low mineral content
Mineral salt content, calculated as a fixed residue, not greater than 500 mg/l
Very low mineral content
Mineral salt content, calculated as a fixed residue, not greater than 50 mg/l
Rich in mineral salts
Mineral salt content. Calculated as a fixed residue, greater than 1500 mg/l
Contains bicarbonate
Bicarbonate content greater than 600 mg/l
Contains sulphate
Sulphate content greater than 200 mg/l
Contains chloride
Chloride content greater than 200 mg/l
Contains calcium
Calcium content greater than 150 mg/l
Contains magnesium
Magnesium content greater than 50 mg/l
Contains fluoride
Fluoride content greater than 1 mg/l
Contains iron
Bivalent iron content greater than 1 mg/l
Acidic
Free carbon dioxide content greater than 250 mg/l
Contains sodium
Sodium content greater than 200 mg/l
Suitable for a low-sodium diet
Sodium content less than 20 mg/l

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Source: https://www.legislation.gov.uk/uksi/2007/2785/schedule/8 (the official version)
Page: https://openlegislation.uk/natural-mineral-water-spring-water-and-bottled-drinking-water-england-regulations-2007/schedule-8
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.