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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 
(above 550 CFU)

26 Oct 21 500550
2 Nov 21 1800550

17 Nov 21 500550

30 Nov 21 600550

13 Jan 22
 1000550

28 Jan 22 7250550

4 Feb 22 16000550

11 Feb 22 16000550

19 Feb 22 3865550

25 Feb 22 2300550
4 Mar 22 5600550

11 Mar 22 1750550

18 Mar 22 4300550

25 Mar 22 16000550

1 Apr 22 1380550

8 Apr 22 1200550

15 Apr 22 6000550

22 Apr 22 16000550

29 Apr 22 4500550

6 May 22 3800550

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 Jul 22 9500550
28 Jul 2216000550
4 Aug 227490550
11 Aug 223240550
18 Aug 226000550
24 Aug 228490550
1 Sept 223010550
8 Sept 225500550
22 Sept 224250550
29 Sept 225970550
6 Oct 226730550
13 Oct 225240550
20 Oct 226000550
27 Oct 226720550
6 Nov 227200550
10 Nov 226000550
17 Nov 228500550
25 Nov 226250550