Bathing Water Data 2021

Topics:

Details of bathing water quality for 2021. This information will be updated for each location until mid-September 2021.

Results

Individual sample results below 250 EC and 100 IE are typical of an Excellent classification. Results above these values and up to 500 EC and 200 IE are typical of a Good or Sufficient classification.

These results are used for the annual bathing water classification which is a statistical assessment based on a four year data set.

Ballycastle

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	120	20
02/06/2021	10	10
14/06/2021	110	33
29/06/2021	10	10
07/07/2021	46	11
20/07/2021	53	10
28/07/2021	19	10
02/08/2021	10	10
16/08/2021	18	18
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	69	11

Ballygally

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	23	20
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	11	20
20/07/2021	17	12
28/07/2021	10	10
02/08/2021	23	10
16/08/2021	80	180
24/08/2021	10	10
01/09/2021	19	16
07/09/2021	23	12

Ballyholme

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	50	23
01/06/2021	10	10
16/06/2021	120	10
28/06/2021	40	80
06/07/2021	16	51
21/07/2021	54	26
26/07/2021	90	34
03/08/2021	10	10
18/08/2021	100	13
23/08/2021	510	660
31/08/2021	80	16
06/09/2021	19	30

Ballyhornan

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	130	10
02/06/2021	10	10
14/06/2021	10	33
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	40	10
28/07/2021	220	150
02/08/2021	10	10
16/08/2021	12	13
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	21	12

Ballywalter

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	280	54
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	11	10
06/07/2021	10	10
21/07/2021	22	10
26/07/2021	10	10
03/08/2021	10	10
18/08/2021	10	10
23/08/2021	41	27
31/08/2021	10	10
06/09/2021	10	10

Brown's Bay

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	10	10
02/06/2021	13	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	11
20/07/2021	10	10
28/07/2021	530	740
02/08/2021	10	10
16/08/2021	18	12
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	10	10

Carnlough

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	12	18
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	10	10
28/07/2021	10	10
02/08/2021	10	10
16/08/2021	10	10
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	11	10

Castlerock

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	32	10
01/06/2021	16	10
16/06/2021	10	10
28/06/2021	26	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	100	29
03/08/2021	10	10
18/08/2021	140	33
23/08/2021	28	10
31/08/2021	10	10
06/09/2021	40	25

Cloughey

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	150	10
01/06/2021	10	10
16/06/2021	14	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	26	16
26/07/2021	10	10
03/08/2021	10	10
18/08/2021	10	22
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	10	10

Cranfield (Cranfield Bay)

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	10	10
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	10	10
28/07/2021	24	11
02/08/2021	24	10
16/08/2021	10	10
24/08/2021	11	10
01/09/2021	19	10
07/09/2021	13	31

Crawfordsburn

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	10	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	15	11
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	10	10
03/08/2021	10	10
18/08/2021	10	10
23/08/2021	14	13
31/08/2021	130	19
06/09/2021	56	26

Groomsport

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	230	10
01/06/2021	10	10
16/06/2021	12	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	81	10
26/07/2021	50	100
03/08/2021	28	24
18/08/2021	10	10
23/08/2021	36	26
31/08/2021	10	10
06/09/2021	36	60

Helen's Bay

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	10	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	37	390
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	16	11
03/08/2021	10	10
18/08/2021	22	33
23/08/2021	11	10
31/08/2021	11	10
06/09/2021	62	33

Kilclief

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	10	10
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	10	10
28/07/2021	10	10
02/08/2021	10	10
16/08/2021	10	10
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	10	10

Magilligan Benone

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	48	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	57	68
21/07/2021	10	85
26/07/2021	130	66
03/08/2021	10	10
18/08/2021	10	10
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	10	10

Magilligan Downhill

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	42	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	59	57
03/08/2021	10	10
18/08/2021	13	10
23/08/2021	43	12
31/08/2021	10	10
06/09/2021	90	28

Millisle

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	14	10
01/06/2021	10	10
16/06/2021	14	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	34	10
03/08/2021	10	10
18/08/2021	23	10
23/08/2021	33	10
31/08/2021	10	10
06/09/2021	32	30

Murlough (Co Down)

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/202	15	25
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	13	13
28/07/2021	10	10
02/08/2021	34	12
16/08/2021	10	10
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	53	10

Newcastle

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	34	10
02/06/2021	10	10
14/06/2021	22	13
29/06/2021	10	10
07/07/2021	18	10
20/07/2021	10	10
28/07/2021	22	23
02/08/2021	60	10
16/08/2021	37	18
24/08/2021	10	10
01/09/2021	10	10
07/09/2021	70	16

Portballintrae Salmon Rock

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	10	10
01/06/2021	10	10
16/06/2021	41	40
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	81	10
26/07/2021	18	60
03/08/2021	10	20
18/08/2021	10	10
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	22	10

Portrush Curran (East Strand)

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	17	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	63	180
03/08/2021	10	10
18/08/2021	17	10
23/08/2021	16	23
31/08/2021	10	10
06/09/2021	130	41

Portrush Mill (West Strand)

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	10	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	10	10
03/08/2021	10	10
18/08/2021	22	10
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	10	19

Portrush Whiterocks

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	10	10
01/06/2021	10	21
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	17
26/07/2021	13	23
03/08/2021	10	10
18/08/2021	10	10
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	10	10

Portstewart

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
26/05/2021	20	10
01/06/2021	10	10
16/06/2021	10	10
28/06/2021	10	10
06/07/2021	10	10
21/07/2021	10	10
26/07/2021	17	24
03/08/2021	10	10
18/08/2021	16	10
23/08/2021	10	10
31/08/2021	10	10
06/09/2021	10	10

Tyrella

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	10	10
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	10	10
28/07/2021	21	27
02/08/2021	10	10
16/08/2021	10	10
24/08/2021	10	10
01/09/2021	80	20
07/09/2021	500	56

Waterfoot

Date	Escherichia Coli (cfu/100ml)	Intestinal Enterococci (cfu/100ml)
25/05/2021	12	10
02/06/2021	10	10
14/06/2021	10	10
29/06/2021	10	10
07/07/2021	10	10
20/07/2021	46	14
28/07/2021	380	160
02/08/2021	10	10
16/08/2021	10	10
24/08/2021	77	32
01/09/2021	27	10
07/09/2021	270	59

Translation help

Select a language