Water Quality Standards

Water quality standards in accordance with the Regulation of the Minister of Health of 7 December 2017, on the quality of water intended for human consumption. (Dz. U. of 2017, item 2294)

 

Type of Pollution

Maximum Admissible Concentration

Water Treatment Solution

Ammonia

0,5

reverse osmosis/selective adsorption on activated carbonc/chlorination or ozone addition

Nitrates (NO3)

50

ion exchange/reverse osmosis

Nitrites (NO2)

0,1

chlorination or ozone addition

Free Chlorine

 0,3

selective adsorption on activated carbonc

Chlorides

250

demineralisation

Manganese

0,05

manganese removal

pH

6,5-9,5

pH correction

Sulphates

250

ion exchange/reverse osmosis

Water Hardness (CaCO3)

60-500

water softening/reverse osmosis

Iron

0,2

iron removal

Oxidisability KMnO4

0-5 mg O2/l

selective adsorption on activated carbonc + ozone addition

Total Plate Count in 22 Celsius degrees

0-200 jtk/ml w kranie konsumenta

UV-radiation/chlorination or ozone addition

Coliform Bacteria

0

UV-radiation/chlorination or ozone addition

Escherichia coli

0

UV-radiation/chlorination or ozone addition

Faecal coli

0

UV-radiation/chlorination or ozone addition

Smell the water

Acceptable

filtration through activated carbon/filtration

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