Water quality in my areaWater in my area

Sampling date: 30/03/2022
Indicative parameters Unit of measurement Value Max. Parametric value1
Turbidity NTU NTU 0.133 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 40.8 200
chlorides mg cl-/l 20.2 250
Conductivity μS/cm at 20oC 514 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max. Parametric value1
Residual chlorine mg/l 0.36 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 23/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU

<0.105

<1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.0 250
Conductivity μS/cm at 20oC 501 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max. Parametric value1
Residual chlorine mg/l 0.40 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 29/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.104 <1.0
Chrome mg/l Pt <3 ³ Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.0 250
Conductivity μS/cm at 20oC 485 2500
Hydrogen ion concentration pH units 7.4 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max. Parametric value1
Residual chlorine mg/l 0.42 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 17/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0,050 ³ <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable  – no unusual change
Chlorides mg Cl-/l 8.2 250
Conductivity μS/cm at 20oC 486 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.43 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 22/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.084 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable  – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 8.0 250
Conductivity μS/cm at 20oC 496 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.40 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 21/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.055 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 7.2 250
Conductivity μS/cm at 20oC 497 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.45 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 02/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.096 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 16.0 250
Conductivity μS/cm at 20oC 520 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.36 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 13/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.064 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 21.0 200
Conductivity μS/cm at 20oC 369 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.37 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 21/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.081
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l <20 200
Chlorides mg Cl-/l 20.2 250
Conductivity μS/cm at 20oC 514
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.36 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 24/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
TurbidityNTU NTU

0.115

<1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 33.3 200
Chlorides mg Cl-/l 8.6 250
Conductivity μS/cm at 20oC 368 2500
Hydrogen ion concentration pH units 7.8 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.26 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 17/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.079 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 20.5 200
Chlorides mg Cl-/l 8.2 250
Conductivity μS/cm at 20oC 486 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.44 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 23/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.114 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 30.4 200
Chlorides mg Cl-/l 8.0 250
Conductivity μS/cm at 20oC 367 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.29 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 29/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.08 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 7.6 250
Conductivity μS/cm at 20oC 484 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measuremen Value Max Parametric value1
Residual chlorine mg/l 0.39 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 22/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.128 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.0 250
Conductivity μS/cm at 20oC 494 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.41 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 16/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.072 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 21.5 200
Conductivity μS/cm at 20oC 369 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.38 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 30/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0,312 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8 250
Conductivity μS/cm at 20oC 500 2500
Hydrogen ion concentration pH units 7.3 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.47 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 10/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.077 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l <20 200
Chlorides mg Cl-/l 34.6 250
Conductivity μS/cm at 20oC 536 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.38 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 23/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.069 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 8 250
Conductivity μS/cm at 20oC 488 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.32 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 30/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.081 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.2 250
Conductivity μS/cm at 20oC 486 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.43 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 21/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.101 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 35.5 200
Chlorides mg Cl-/l 8 250
Conductivity μS/cm at 20oC 372 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.41 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 10/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.355 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 13 250
Conductivity μS/cm at 20oC 495 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.40 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 18/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.06 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.4 250
Conductivity μS/cm at 20oC 489 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.43 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 16/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.285 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8 250
Conductivity μS/cm at 20oC 440 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.33 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 18/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.071 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 27 200
Chlorides mg cl-/l 8.2 250
Conductivity μS/cm at 20oC 362 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.41 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 18/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU  <0.050 3 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 8 250
Conductivity μS/cm at 20oC 481 2500
Hydrogen ion concentration pH units 7.4 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.42 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 21/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
TurbidityNTU NTU 0.078 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.4 250
Conductivity μS/cm at 20oC 493 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.23 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 07/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.114 <1.0
Chrome mg/l Pt <3 ³ Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 27 200
Conductivity μS/cm at 20oC 367 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.27 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 29/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.15 <1.0
Chrome mg/l Pt <3 ³ Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 36.5 200
Chlorides mg Cl-/l 8.0 250
Conductivity μS/cm at 20oC 368 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.44 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 10/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.135 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 13.0 250
Conductivity μS/cm at 20oC 507 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.41 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 15/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.061 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.8 250
Conductivity μS/cm at 20oC 494 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.42 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 18/02/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.071 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 27 200
Chlorides mg Cl-/l 8.2 250
Conductivity μS/cm at 20oC 362 2500
Hydrogen ion concentration pH units 7.6 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.41 ≥0.22
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 11/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.050 3 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg Cl-/l 8.8 250
Conductivity μS/cm at 20oC 491 2500
Hydrogen ion concentration pH units 7.5 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.42 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 17/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.082 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l <20 200
Chlorides mg Cl-/l 8.2 250
Conductivity μS/cm at 20oC 364 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.34 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 09/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0,050 3 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Chlorides mg cl-/l 16.2 250
Conductivity μS/cm at 20oC 519 2500
Hydrogen ion concentration pH units 7.4 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.39 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

1 GOVERNMENT GAZETTE 3282/B’/19-9-2017, “Quality of water intended for human consumption”.

2 GOVERNMENT GAZETTE 5 Β’/9-1-1958, “Disinfection of water”.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Sampling date: 08/03/2022
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.11 <1.0
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 20.4 200
Chlrorides mg cl-/l 8
Conductivity μS/cm at 20oC 361 2500
Hydrogen ion concentration pH units 7.8 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.22 ≥0.2 2
Coliforms CFU / 100m ND4 0
Escherichia coli (E. coli) CFU / 100m ND4 0
Enterococci CFU / 100ml ND4 0
No. of colonies at 22οC CFU/ml <1 4 No change

*Joint Ministerial Decision No. Γ1(δ)/ ΓΠ οικ.67322 (Government Gazette 3282/Β ́/19-9-2017) “Quality of water for human consumption”
** Joint Ministerial Decision No. Υ.Μ. 5673/58 (Government Gazette 5/B/9.1.1958) on disinfection of water for water supply.
***limit of quantification of the method

TABLE OF MINIMUM AND MAXIMUM PARAMETRIC VALUES IN WATER SAMPLES IN WATER SUPPLY NETWORK OF EHATH SA YEAR 2019

 

Indicator parameters/units* Parametric Values* min max
Aluminium, μg/l 200 <20 ³ 49.8
Ammonium, mg/l 0,5 <0.05 ³ 0.13
Chloride, mg/l 250 7.0 46.2
Clostridium perfringens, cfu / 100ml 0 ND ND
Colour Acceptable to consumers and no abnormal change <3 ³ <3 ³
Conductivity, μS/cm at 20οC 2500 345 623
Hydrogen ion concentration pH (expressed in pH units) ≥6,5 and ≤9,5 7.2 8.0
Iron (total), μg/l 200 <20 ³ 124.4
Magnanese, μg/l 50 <2 ³ 8.7
Odour Acceptable to consumers and no abnormal change Acceptable Acceptable
Oxidisability, mg O2/l 5 0.2 1.7
Sulfate, mg/l 250 10.1 33.7
Sodium, mg/l 200 5.9 28.8
Taste Acceptable to consumers and no abnormal change Acceptable Acceptable
Colony count 22οC, cfu/ml sample no abnormal change <1 46
 Colony count 37οC, cfu/ml sample no abnormal change <1 18
Total Coliforms, cfu/100 ml sample 0 ND ND
Total organic carbon (TOC) mg/l no abnormal change 0.127 1.365
Free residual chlorine, mg/l >0.2 ² 0.20 0.98
Turbidity NTU <1.0 <0.12 ³ 0,95
Microbiological parameters/units* Parametric Values* min max
Escherichia coli (E. coli), cfu / 100ml 0 ND ND
Chemical parameters/units* Parametric Values* min max
Antimony, μg/l 5 <1 ³ <1 ³
Arsenic, μg/l 10 <2 ³ 6.4
Benzene, μg/l 1 <0.05 ³ <0.05 ³
Benzo(a)pyrene, μg/l 0.01 <0.00135 ³ <0.00135 ³
Boron, mg/l 1 <0.15 ³ 0.21
Bromate, μg/l 10 ND (not detected) 6.89
Cadmium, μg/l 5 <0.5 ³ <0.5 ³
Chromium, μg/l 50 <5 ³ <5 ³
Copper, mg/l 2 <0.002 ³ 0.017
Cyanide, μg/l 50 ND (not detected) ND (not detected)
1,2-dichloroethane, μg/l 3 <0.15 ³ <0.15 ³
Fluoride, mg/l 1.5 0.08 0.15
Lead, μg/l 10 <1 ³ 5.4
Mercury, μg/l 1 <0.2 ³ <0.2 ³
Nickel, μg/l 20 <2 ³ 5.0
Nitrate, mg/l 50 <2 ³ 10.1
Nitrite, mg/l 0.5 <0.05 ³ <0.05 ³
Pesticides, μg/l 0.5 <0.5 <0.5
Polycyclic aromatic hydrocarbons, μg/l 0.1 <0.1 <0.1
Selenium, μg/l 10 <1 ³ <1 ³
Tetrachloroethene and Trichloroethene, μg/l 10 <0.50 ³ <0.50 ³
Trihalomethanes — total, μg/l 100 <1 ³ 13.8

1 Joint Ministerial Decision No. Γ1(δ)/ ΓΠ οικ.67322 (Government Gazette 3282/Β ́/19-9-2017) “Quality of water for human consumption”
2 Joint Ministerial Decision No. Υ.Μ. 5673/58 (Government Gazette 5/B/9.1.1958) on disinfection of water for water supply.

3 Limit of Quantification.

4 According to ISO 8199:2018:

No colonies: <1 : “Not detected in the analytical test portion” (ND)

1-2 colonies: “Microorganisms are present in the volume studied”

3-9 colonies: “Estimated number in the volume studied”.

Consumers who wish to obtain a water quality certificate for use with the Hellenic Food Agency, the human and animal health agency or other government agency, or the results of the relevant tests, can contact EYATH S.A.’s head offices, 91 Tsimiski St., (Secretariat) and submit a request (home / business).

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