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Water

According to the National Policy Statement for Freshwater Management (2020), if any single E. coli level at a monitored site is above 260 E. coli per 100 mL, the regional council must (unless the council is satisfied that the elevated result is temporary or the cause is being addressed):

(a) increase sampling frequency to daily, where practicable; and
(b) take all practicable steps to identify potential causes of microbial contamination.

Additionally, if any single E. coli level is above 540 E. coli per 100 mL, the regional council must, as soon as practicable, take all practicable steps to notify the public and keep the public informed that the site is unsuitable for primary contact, until further sampling shows a result of 540 E. coli per 100 mL or less

Bay of Plenty Regional Council has set their safe swimming limit for Freshwater at 550 E. coli CFU/100 ml of water based on the Microbiological Water Quality Guidelines (2003). Our data has been coloured to reflect their practice.

Safe level to swim

Current level




Date
(oldest to
newest)

E. coli (CFU)

Unsafe to swim 
(>550 CFU)


19 Oct 21 11000550

26 Oct 21 1000550


2 Nov 21 300550

17 Nov 21 300550
30 Nov 21 600550

13 Jan 22 170550

28 Jan 22 780550

4 Feb 22 1265550

11 Feb 22 458550

19 Feb 22 1256550

4 Mar 22 1325550

11 Mar 22 780550

18 Mar 22 1286550

25 Mar 22 7854550

1 Apr 22 690550

8 Apr 22 1100550

15 Apr 22 4230550

22 Apr 22 6800550

29 Apr 22 3420550

6 May 22 3120550

13 May 22 2788550
19 May 22 7200550
26 May 22 6500550
2 Jun 22 9820550
9 Jun 22 16000550
16 Jun 22 7530550
23 Jun 22 6800550
30 Jun 22 5230550
7 Jul 22 1070550
14 Jun 22 9500550
28 Jul 2212100550
4 Aug 228045550