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Results : Dhoon Bay

Sample results

Date Escherichia coli (cfu/100ml) Intestinal enterococci (cfu/100ml)
20 May 2024 160 <10
03 June 2024 10 10
04 June 2024 60 40
05 June 2024 <100 <100
17 June 2024 110 70
18 June 2024 10 <10
19 June 2024 20 <10
01 July 2024 200 <10
02 July 2024 100 10
03 July 2024 210 20
04 July 2024 30 10
17 July 2024 40 340
18 July 2024 20 <10
31 July 2024 250 40
19 August 2024 230 80
20 August 2024 500 30
02 September 2024 170 40
03 September 2024 400 100

Historic results

Please note: There were no classifications calculated for 2020/21 due to the shortened season and reduced sampling during the COVID pandemic.

Year Classification
2017 Poor
2018 Poor
2019 Poor
2020 See above
2021 Poor
2022 Sufficient
2023 Sufficient
UKAS: ISO 17025

These Results were produced by a UKAS accredited testing laboratory No. 1327.

Results explained

The annual bathing water classification is determined using statistics calculated from results taken over the previous four years. The water quality indicators we test for are the bacteria E Coli (EC) and intestinal enterococci (IE). The statistics take account of both the average value and the range of values in the four year dataset.

Single sample results above 500 EC and 200 IE are indicative that water was of low quality when the sample was taken. For inland waters the low quality boundaries are higher at 1000 EC and 400 IE.