Water quality in my areaWater in my area

Sampling date: 07/07/2020
Indicative parameters Unit of measurement Value Max. Parametric value1
Turbidity NTU NTU 0.13 <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 24.4 250
Conductivity μS/cm at 20oC 521 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 0.47 ≥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: 14/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 30.4 250
Conductivity μS/cm at 20oC 556 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 0.31 ≥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: 15/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.38 <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 27.6 250
Conductivity μS/cm at 20oC 533 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 0.51 ≥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: 14/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.13 <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 25.0 250
Conductivity μS/cm at 20oC 507 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 0.47 ≥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: 30/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 29.6 250
Conductivity μS/cm at 20oC 554 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 0.51 ≥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: 07/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.13 <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 20.4 250
Conductivity μS/cm at 20oC 480 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 0.47 ≥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: 13/07/2020
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 <20 200
Chlorides mg Cl-/l 23.8 250
Conductivity μS/cm at 20oC 502 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 0.31 ≥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: 30/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 3 <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 34.7 200
Chlorides mg Cl-/l 9.2 250
Conductivity μS/cm at 20oC 374 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 0.47 ≥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: 20/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³
Chrome mg/l Pt <3 3 Acceptable
Odour Acceptable Acceptable – no unusual change
Taste Acceptable Acceptable – no unusual change
Aluminium μg Al/l 21.6 200
Chlorides mg Cl-/l 29.8 250
Conductivity μS/cm at 20oC 509
Hydrogen ion concentration pH units 8.0 ≥6.5 and ≤9.5
Microbiological parameters Unit of measurement Value Max Parametric value1
Residual chlorine mg/l 0.35 ≥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: 07/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
TurbidityNTU NTU <0.12 ³ <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 34.2 200
Chlorides mg Cl-/l 9.0 250
Conductivity μS/cm at 20oC 373 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 0.33 ≥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: 08/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 3 <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 36.4 200
Chlorides mg Cl-/l 11.0 250
Conductivity μS/cm at 20oC 373 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: 14/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 36.4 200
Chlorides mg Cl-/l 9.2 250
Conductivity μS/cm at 20oC 377 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 0.39 ≥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: 24/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.13 <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 22.2 250
Conductivity μS/cm at 20oC 498 2500
Hydrogen ion concentration pH units 7.7 ≥6.5 and ≤9.5
Microbiological parameters Unit of measuremen 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: 27/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.19 <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 23.0 250
Conductivity μS/cm at 20oC 497 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 0.44 ≥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: 16/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 32.0 250
Conductivity μS/cm at 20oC 563 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 0.49 ≥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: 20/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 21.2 250
Conductivity μS/cm at 20oC 494 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: 10/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 24.4 200
Chlorides mg Cl-/l 28.0 250
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 0.39 ≥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: 22/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 22.0 250
Conductivity μS/cm at 20oC 492 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 0.43 ≥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: 13/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 28.2 250
Conductivity μS/cm at 20oC 537 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: 22/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 35.2 200
Chlorides mg Cl-/l 9.8 250
Conductivity μS/cm at 20oC 377 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 0.44 ≥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: 10/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.14 <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 20.6 250
Conductivity μS/cm at 20oC 473 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: 17/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 21.2 250
Conductivity μS/cm at 20oC 500 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: 21/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.12 <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 9.8 250
Conductivity μS/cm at 20oC 377 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 0.42 ≥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: 17/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 30.3 200
Chlorides mg Cl-/l 9.0 250
Conductivity μS/cm at 20oC 373 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: 21/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 24.0 250
Conductivity μS/cm at 20oC 539 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 0.48 ≥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: 16/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
TurbidityNTU NTU <0.12 ³ <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 23.0 200
Chlorides mg Cl-/l 22.4 250
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 0.33 ≥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: 09/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 31.7 200
Chlorides mg Cl-/l 9.6 250
Conductivity μS/cm at 20oC 371 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 0.39 ≥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: 15/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.13 <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 34.5 200
Chlorides mg Cl-/l 9.8 250
Conductivity μS/cm at 20oC 376 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 0.36 ≥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: 21/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 22.4 250
Conductivity μS/cm at 20oC 496 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 0.39 ≥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: 17/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 23.0 250
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 0.37 ≥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: 13/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU 0.14 <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 34.4 200
Chlorides mg Cl-/l 9.2 250
Conductivity μS/cm at 20oC 375 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 0.49 ≥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: 28/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 30.2 250
Conductivity μS/cm at 20oC 540 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 0.40 ≥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: 23/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 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 24.2 250
Conductivity μS/cm at 20oC 522 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 0.39 ≥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: 08/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 29.2 200
Chlorides mg Cl-/l 9.6 250
Conductivity μS/cm at 20oC 380 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 0.47 ≥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: 23/07/2020
Indicative parameters Unit of measurement Value Max Parametric value1
Turbidity NTU NTU <0.12 ³ <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 34.3 200
Chlorides mg Cl-/l 9.4 250
Conductivity μS/cm at 20oC 377 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 0.35 ≥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 2017

 

Indicator parameters/units* Parametric Values* min max
Aluminium, μg/l 200 <20 86,2
Ammonium, mg/l 0,5 <LOD (Limit Of Detection) ND (not detected)
Chloride, mg/l 250 7 49
Clostridium perfringens, cfu / 100ml 0 0 0
Colour Acceptable to consumers and no abnormal change 0 0
Conductivity, μS/cm at 20οC 2500 325 626
Hydrogen ion concentration pH (expressed in pH units) ≥6,5 and ≤9,5 7,22 8,05
Iron (total), μg/l 200 <LOD (Limit Of Detection) 100,47
Magnanese, μg/l 50 <LOD (Limit Of Detection) 4,086
Odour Acceptable to consumers and no abnormal change Acceptable Acceptable
Oxidisability, mg O2/l 5 0,1 1
Sulfate, mg/l 250 6,32 38,11
Sodium, mg/l 200 3,87 17,55
Taste Acceptable to consumers and no abnormal change Acceptable Acceptable
Colony count 22οC, cfu/ml sample no abnormal change 0 0
 Colony count 37οC, cfu/ml sample no abnormal change 0 0
Total Coliforms, cfu/100 ml sample 0 0 0
Total organic carbon (TOC) mg/l no abnormal change 0,112 1,501
Free residual chlorine, mg/l** Legislation does not set an upper limit 0,20 0,43
Turbidity NTU <1,0 0,08 0,998
Microbiological parameters/units* Parametric Values* min max
Escherichia coli (E. coli), cfu / 100ml 0 0 0
Chemical parameters/units* Parametric Values* min max
Antimony, μg/l 5 <1,25 <1,25
Arsenic, μg/l 10 <2 6,3
Benzene, μg/l 1 <0,024 <0,024
Benzo(a)pyrene, μg/l 0,01 <0,00135 <0,00135
Boron, mg/l 1 <0,1 <0,1
Bromate, μg/l 10 ND (not detected) 3,05
Cadmium, μg/l 5 <0,5 <0,5
Chromium, μg/l 50 <5 <5
Copper, mg/l 2 <0,002 0,01
Cyanide, μg/l 50 0 0
1,2-dichloroethane, μg/l 3 <0,07 0,081
Fluoride, mg/l 1,5 0,07 0,16
Lead, μg/l 10 <1 <1
Mercury, μg/l 1 <0,2 <0,2
Nickel, μg/l 20 <2 5,81
Nitrate, mg/l 50 1,31 11,7
Nitrite, mg/l 0,5 0 0
Pesticides, μg/l 0,5 0,0023 0,0648
Polycyclic aromatic hydrocarbons, μg/l 0,1 <0,0018 <0,0018
Selenium, μg/l 10 <1 <1
Tetrachloroethene and Trichloroethene, μg/l 10 <0,06 <0,06
Trihalomethanes — total, μg/l 100 0,33 19,17

*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.

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, 127 Egnatias St., 6th floor (Secretariat) and submit a request (home / business).

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