BATHING WATER QUALITY 2007

 
13,500
DDate / time
T. Colif conf. no/100ml
F. Colif conf. no/100ml
F. Strep conf. no/100ml
Salinity
ppt
72915015 Westward Ho! Beach
04/05/2007 1210
< 10
< 2
< 2
34.5
10/05/2007 1350
<10
< 2
< 2
34.4
15/05/2007 1040
270
347
25
33.3
22/05/2007 1055
< 10
< 2
< 2
34.4
01/06/2007 1050
< 10
4
4
34.6
09/06/2007 1155
< 10
2
< 2
34.7
14/06/2007 1110
< 10
2
< 2
34.6
19/06/20071235
< 10
2
< 2
34.8
24/06/2007 1335
36
23
17
34.6
05/07/2007 1150
300
76
11
32.1
11/07/2007 1300
1636
423
84
28.7
20/07/2007 1035
10
2 0
2
34.3
27/07/2007 1210
610
346
27
32.7
06/08/2007 1140
< 10
4
< 2
34.5
10/08/2007 1225
< 10
4
< 2
34.6
15/08/2007 1035
175
68
70
34.5
22/08/2007 1200
470
538
34
33.8
06/09/2007 1030
510
8
<2
34.8
10/09/2007 1320
< 10
2
4
34.5
19/09/2007 1050
< 10
6
< 2
34.7
72910233 Instow Beach
04/05/2007 1130
< 10
< 2
2
34.4
10/05/2007 1250
54
17
15
32.1
15/05/2007 1120
17,000
7,000
1,368
3.9
22/05/2007 1200
1,364
1,240
2,600
33.7
01/06/2007 1140
630
615
72
24.0
09/06/2007 1121
< 10
4
< 2
34.5
14/06/2007 1000
72
23
17
34.2
19/06/2007 1105
36
15
29
34.7
24/06/2007 1215
200
108
9
32.0
05/07/2007 1115
847
152
100 0
30.8
11/07/2007 1300
13,500
12,000
1,400
1 7.9
20/07/2007 1100
620
231
40
33.2
27/07/2007 1340
22,500
13,500
2664
3.6
06/08/2007 1105
< 10
15
23
34.2
10/08/20071440
< 10
10
<2
31.6
15/08/2007 1055
660
96
66
34.3
22/08/2007 1125
5,800
6,000
152
28.8
06/09/20071100
10
6
4
28.1
10/09/2007 1525
250
110
15
29.8
19/09/2007 1120
63
27
6
34.3

 

Blue Flag Water Quality Criteria
1. (1/3/5) The water must comply with the Mandatory and Guideline value of the appropriate microbiological parameters of the EC Bathing Water Directive 76/160/EEC. Guideline water must meet the guideline standard for total coliform, faecal coliform (E coli) and faecal streptococci parameters and the mandatory standard for the faecal and total coliform parameters. There should be at least 20 samples taken at regular intervals throughout the bathing season.
Parameter

Guideline standard- no more than:

Percentage Compliance
Mandatory - No more than:
Percentage Compliance
total coliform
500 per 100ml
80%
10,000 per 100ml
80%
faecal coliform
100 per 100ml
80%
2,000 per 100ml
80%
faecal streptococci
100 per 100ml
90%
--
80%

Physical chemical parameters will be included from the year 2005 (g)

Parameter
Mandatory
Guideline
pH
6 - 9
colour
no abnormal change
mineral oils
no visable film on the surface and no odour
surface active substances
no lasting foam
phenols
no specific colour
transparency
secchi depth > 2m or 'no abnormal decrease'
secchi depth 2m
tarry residues and floating materials
absence of floatables and sewage solids in water and land (m)
oil pollution
absence (m)