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A new world

Rio 2016 water quality monitoring

By Rio 2016

Rio 2016 is monitoring water quality at the sailing, rowing, canoe sprint, marathon swimming and triathlon venues on a daily basis. See results below.

Rio 2016 water quality monitoring

Lagoa Rodrigo de Freitas is the venue for rowing and canoe sprint (Photo: Getty Images/Patrick Smith)

The Rio 2016 Organising Committee shares the results of water quality monitoring with teams and athletes on a daily basis. Rio 2016 follows the recommendations of the World Health Organisation (WHO) on recreational water quality. WHO recommends classifying water quality through a combination of sanitary inspection and microbial water quality testing. Sanitary inspection seeks to determine possible sources of pollution, whereas microbial water quality testing measures levels of Enterococci in fresh and marine water and Escherichia coli in fresh water.

The WHO does not currently recommend testing of viruses for routine monitoring given the lack of standardised methods and difficulty interpreting results. More information can be found here

The following is a summary of the monitoring results since the beginning of official training. Regular updates will be published on this website.

Sailing: Water Quality at Guanabara Bay

 

Ramps at Marina da Gloria and Flamengo Beach - Enterococci

 

Date of Sample

Ramp at Marina da Gloria

Ramp at Flamengo Beach

Enterococci Standard (NMP/100mL)

  19/8/2016 10 10 200
  18/8/2016 10 10 200
  17/8/2016 10 10 200
  16/8/2016 10 10 200
  15/8/2016 10 10 200
  14/8/2016 10 10 200
  13/8/2016 10 10 200
  12/08/2016 10 15 200
  11/08/2016 10 10 200
  10/08/2016 10 10 200
  09/08/2016 10 10 200
  08/08/2016 10 10 200
  07/08/2016 10 10 200

 

06/08/2016

10

10

200

 

05/08/2016

10

10

200

 

04/08/2016

10

10

200

 

03/08/2016

10

10

200

 

02/08/2016

10

15

200

 

01/08/2016

10

10

200

 

31/07/2016

10

10

200

 

30/07/2016

10

10

200

 

29/07/2016

10

10

200

 

28/07/2016

10

10

200

 

27/07/2016

10

10

200

 

26/07/2016

10

10

200

 

25/07/2016

10

10

200

 

24/07/2016

10

10

200

Source: INEA

Note:  The Enterococci standard of 200 NMP/100ml was used under advice from the WHO

 

Race areas - Enterococci

 

Date of Sample

GN34

GN36

GN63

  19/08/2016 10 10 10
  18/08/2016 10 10 52
  17/08/2016 10 10 10
  16/08/2016 10 10 10
  15/08/2016 10 10 -
  14/08/2016 10 10 10
  13/08/2016 10 10 10
  12/08/2016 10 10 10
  11/08/2016 10 10 20
  10/08/2016 10 10 10
  09/08/2016 10 10 10
  08/08/2016 10 10 10
  07/08/2016 10 10 n/a

 

06/08/2016

10

10

10

 

05/08/2016

10

10

10

 

04/08/2016

10

10

10

 

03/08/2016

10

10

10

 

02/08/2016

10

10

10

 

01/08/2016

10

10

10

 

31/07/2016

10

10

10

 

30/07/2016

10

10

10

 

29/07/2016

10

10

10

 

28/07/2016

10

10

10

 

27/07/2016

10

10

10

 

26/07/2016

10

10

10

 

25/07/2016

10

10

10

 

24/07/2016

10

10

10

Source: INEA

Note:  The Enterococci standard of 200 NMP/100ml was used under advice from the WHO

N/A: Wind and waves were too strong to get the sampling boat out of the bay on this date

 

Below is a reference map with checkpoints at Guanabara Bay.

 

Race Areas

Monitoring Points

G.Bay: Pão de Açucar GN034
G.Bay: Pão de Açucar GN036
G.Bay: Ponte GN063
G.Bay: Escola Naval GN064
G.Bay: Escola Naval GN306
G.Bay: Outside Bay GN093

 

Rowing and Canoe Sprint: Water Quality at Lagoa Rodrigo de Freitas

Enterococci

Date of Sample

LRF1

LRF2

LRF3

LRF5

Enterococci Standard (NMP/100mL)

17/08/2016 <1 <1 <1 <1 200
16/08/2016 <1 <1 <1 52 200
15/08/2016 <1 <1 <1 <1 200
14/08/2016 1 5 1 1 200
13/08/2016 13 12 8 3 200
12/08/2016 <1 <1 <1 <1 200
11/08/2016 <1 <1 1 1 200
10/08/2016 1 1 <1 5 200
09/08/2016 <1 6 4 10 200
08/08/2016 0 4 2 6 200
07/08/2016 2 2 6 17 200
06/08/2016 1 <1 <1 <1 200

05/08/2016

1

2

3

2

200

04/08/2016

1

˂1

1

2

200

03/08/2016

˂1

1

1

1

200

02/08/2016

˂1

˂1

˂1

˂1

200

01/08/2016

˂1

˂1

˂1

˂1

200

30/07/2016

2

5

2

4

200

29/07/2016

1

5

˂1

3

200

28/07/2016

˂1

3

6

5

200

27/07/2016

3

1

˂1

1

200

26/07/2016

˂1

˂1

˂1

36

200

25/07/2016

1

˂1

˂1

˂1

200

24/07/2016

1

˂1

1

9

200

Source: SMAC and TECMA

Note:  The Enterococci standard of 200 NMP/100ml was used under advice from the WHO.

 

Escherichia coli

Date of Sample

LRF1

LRF2

LRF3

LRF5

E.Coli Standard (NMP/100mL)

18/08/2016 13 11 11 240 2000
17/08/2016 5 13 13 5 2000
16/08/2016 5 49 8 350 2000
15/08/2016 7 <1.8 22 49 2000
14/08/2016 22 49 79 100 2000
13/08/2016 130 240 240 130 2000
12/08/2016 46 240 350 46 2000
11/08/2016 2 8 8 8 2000
10/08/2016 23 11 7 22 2000
09/08/2016 2 8 13 240 2000
08/08/2016 23 33 31 33 2000
07/08/2016 49 22 130 350 2000

06/08/2016

11

23

5

49

2000

05/08/2016

8

8

13

22

2000

04/08/2016

2

33

11

17

2000

03/08/2016

13

13

13

33

2000

02/08/2016

33

33

240

49

2000

01/08/2016

23

23

23

240

2000

30/07/2016

295

170

79

240

2000

29/07/2016

240

240

130

130

2000

28/07/2016

240

350

540

920

2000

27/07/2016

920

540

350

920

2000

26/07/2016

240

240

49

240

2000

25/07/2016

23

49

130

79

2000

24/07/2016

23

49

130

79

2000

Source: SMAC and TECMA

Note:  The E. coli standard of 2000 NMP/100ml is from CONAMA 357/2005.

 

Triathlon and Marathon Swimming: Water Quality at Copacabana Beach

Enterococci

Date of Sample

CP0004

CP0100

CP0200

Enterococci Standard (NMP/100mL)

18/08/2016 10 10 10 100
17/08/2016 10 10 10 100
16/08/2016 10 10 10 100
15/08/2016 10 10 10 100
14/08/2016 10 10 10 100
13/08/2016 10 10 10 100
12/08/2016 10 10 10 100
11/08/2016 10 10 n/a 100
10/08/2016 10 10 n/a 100
09/08/2016 10 10 10 100
08/08/2016 10 10 10 100
07/08/2016 10 10 n/a 100

06/08/2016

10

10

10

100

05/08/2016

10

10

10

100

04/08/2016

10

10

10

100

03/08/2016

10

10

10

100

02/08/2016

20

74

N/A

100

01/08/2016

10

10

10

100

31/07/2016

10

10

N/A

100

30/07/2016

63

10

N/A

100

29/07/2016

119

187

N/A

200

28/07/2016

10

20

10

200

27/07/2016

10

10

10

200

26/07/2016

10

10

10

200

25/07/2016

10

10

10

200

24/07/2016

10

31

10

200

Source: INEA

Note: The WHO 'Proper' Enterococci standard of 200 NMP/100ml was used under advice from the WHO.

N/A Sampling not feasible on this date due to high wind and wave conditions.