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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 17000550
26 Oct 21 290550


2 Nov 21 500550

17 Nov 21 170550

30 Nov 21 900550
13 Jan 22
 180550

28 Jan 22 4800550

4 Feb 22 2700550

11 Feb 22 3280550

19 Feb 22 754550

25 Feb 22 450550
4 Mar 22 480550

11 Mar 22 247550

18 Mar 22 1236550

25 Mar 22 2540550

1 Apr 22 384550

8 Apr 22 478550

15 Apr 22 631550

22 Apr 22 876550

29 Apr 22 475550

6 May 22 380550

13 May 22 275550

19 May 22 2780550
26 May 22 560550
2 Jun 22 242550
9 Jun 22 1572550
16 Jun 22 863550
23 Jun 22 512550
30 Jun 22 2485550
7 Jul 22 5500550
14 Jul 22 4530550
28 Aug 226000550
4 Aug 222500550