Water

Drinking Water Quality

The scope of analyses and number of standard drinking water sample collections is set out in Annex No. 2 of Government Regulation No. 354/2006, distinguishing between minimum and complete water analyses.

Types of Analysis

Minimum and Complete Analysis

Minimum Analysis

28 indicators

Designed to monitor the stability of the water source and effectiveness of water treatment — particularly disinfection, microbiological quality and sensory properties. Carried out e.g. before commissioning a new individual water source.

Complete Analysis

82 indicators + radiological

Comprises indicators pursuant to Annex No. 1 of Government Regulation No. 354/2006 and radiological indicators. Its purpose is to verify compliance with limits for mass water supply.

 

Operators report drinking water quality monitoring results once a year via ZBERVA, the Water Research Institute database.

Monitored Parameters

Drinking Water Quality Requirements

  • Microbiological and Biological Indicators
  • Escherichia coli, coliform bacteria, enterococci, Pseudomonas aeruginosa
  • Cultivated microorganisms, colourless flagellates, iron and manganese bacteria, abioseeston
  • Physical and Chemical Indicators
  • Inorganic: arsenic, nitrates, nitrites, fluorides, cadmium, cyanides, nickel, lead
  • Organic: acrylamide, benzene, dichlorobenzenes, total organic carbon, pesticides, PAHs, carbon tetrachloride, toluene, vinyl chloride
  • Disinfectants: free chlorine, bromodichloromethane, chloroform, ozone
  • Sensory indicators: pH, colour, taste, temperature, turbidity, zinc, iron, aluminium, chlorides
  • Desirable substances: magnesium, calcium
  • Radiological Indicators
  • Tritium, total indicative dose from intake of radionuclides per year

documentation

Drinking Water Quality in Our Localities

Most pri Bratislave

11 protocols
Water Quality Test Report – Most pri Bratislave 04/2025 Water Quality Test Report – Most pri Bratislave 04/2024 Water Quality Test Report – Most pri Bratislave 12/2023 Water Quality Test Report – Most pri Bratislave 08/2023 Water Quality Test Report – Most pri Bratislave 11/2022 Water Quality Test Report – Most pri Bratislave 08/2022 Water Quality Test Report – Most pri Bratislave 03/2022 Water Quality Test Report – Most pri Bratislave 10/2021 Water Quality Test Report – Most pri Bratislave 05/2021 Water Quality Test Report – Most pri Bratislave 01/2020 Water Quality Test Report – Most pri Bratislave 04/2019

Chorvátsky Grob

9 protocols
Water Quality Test Report – Chorvátsky Grob 03/2025 Water Quality Test Report – Chorvátsky Grob 12/2023 Water Quality Test Report – Chorvátsky Grob 07/2023 Water Quality Test Report – Chorvátsky Grob 06/2023 Water Quality Test Report – Chorvátsky Grob 04/2023 Water Quality Test Report – Chorvátsky Grob 12/2022 Water Quality Test Report – Chorvátsky Grob 10/2022 Water Quality Test Report – Chorvátsky Grob 07/2022 Water Quality Test Report – Chorvátsky Grob 05/2022

Chorvátsky Grob – Triangel a Hrudky

16 protocols
Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 07/2025 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 07/2025 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 07/2025 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 05/2025 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 12/2023 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 09/2023 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 07/2023 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 06/2023 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 03/2023 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 12/2022 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 09/2022 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 03/2022 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 10/2021 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 04/2021 Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 12/2020 (2) Water Quality Test Report – Chorvátsky Grob – Triangel a Hrudky 12/2020 (1)

Slovenský Grob – Malý Raj

13 protocols
Water Quality Test Report – Slovenský Grob Malý Raj 07/2025 Water Quality Test Report – Slovenský Grob Malý Raj 03/2024 Water Quality Test Report – Slovenský Grob Malý Raj 12/2023 Water Quality Test Report – Slovenský Grob Malý Raj 09/2023 Water Quality Test Report – Slovenský Grob Malý Raj 07/2023 Water Quality Test Report – Slovenský Grob Malý Raj 05/2023 Water Quality Test Report – Slovenský Grob Malý Raj 03/2023 Water Quality Test Report – Slovenský Grob Malý Raj 12/2022 Water Quality Test Report – Slovenský Grob Malý Raj 09/2022 Water Quality Test Report – Slovenský Grob Malý Raj 07/2022 Water Quality Test Report – Slovenský Grob Malý Raj 05/2022 Water Quality Test Report – Slovenský Grob Malý Raj 03/2022

Kolíňany

4 protocols
Water Quality Test Report – Kolíňany 04/2024 Water Quality Test Report – Kolíňany 11/2023 Water Quality Test Report – Kolíňany 09/2023 Water Quality Test Report – Kolíňany 08/2023
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