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Results : Irvine

Sample results

Date Escherichia coli (cfu/100ml) Intestinal enterococci (cfu/100ml)
22 May 2024 160 10
03 June 2024 30 <10
05 June 2024 20 40
12 June 2024 <10 <10
17 June 2024 140 20
19 June 2024 <10 <10
25 June 2024 40 <10
02 July 2024 <10 <10
08 July 2024 <10 <10
15 July 2024 10 <10
17 July 2024 <10 70
22 July 2024 10 10
31 July 2024 10 10
07 August 2024 160 <10
13 August 2024 <10 <10
20 August 2024 >10000 1900
28 August 2024 1200 140
04 September 2024 590 40

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 Sufficient
2018 Poor
2019 Poor
2020 See above
2021 Sufficient
2022 Sufficient
2023 Good
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.