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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

6000

550

26 Oct 21

300

550

2 Nov 21

120

550

17 Nov 21

210

550

30 Nov 21

500

550

16 Dec 21

16000

550

13 Jan 22

270

550

28 Jan 22

7500

550

4 Feb 22

16000

550

11 Feb 22

762

550

19 Feb 22

650

550

25 Feb 22

1240

550

4 Mar 22

1420

550

11 Mar 22

630

550

18 Mar 22

870

550

25 Mar 22

6870

550

1 Apr 22

879

550

8 Apr 22

2300

550

15 Apr 22

5000

550

22 Apr 22

12000

550

29 Apr 22

2650

550

6 May 22

780

550

13 May 22

533

550

19 May 22

4500

550

26 May 22

2775

550

2 Jun 22

3100

550

9 Jun 22

10905

550

16 Jun 22

6000

550

23 Jun 22

5208

550

30 Jun 22

3630

550

7 Jul 22

5980

550

14 Jul 22

2561

550

28 Jul 22

9350

550

4 Aug 22

3900

550

11 Aug 22

2755

550

18 Aug 22

3400

550

24 Aug 22

6530

550

1 Sept 22

2200

550

8 Sept 22

1200

550

22 Sept 22

3480

550

29 Sept 22

7520

550

6 Oct 22

3500

550

13 Oct 22

4700

550

20 Oct 22

1550

550

27 Oct 22

2250

550

6 Nov 22

3850

550

10 Nov 22

1290

550

17 Nov 22

1250

550

25 Nov 22

5610

550

30 Nov 22

2720

550

8 Dec 22

6000

550

15 Dec 22

1425

550

22 Dec 22

1175

550

29 Dec 22

1100

550

5 Jan 23

1540

550

19 Jan 23

3750

550

1 Feb 23

4270

550

15 Feb 23

3075

550

1 Mar 23

2460

550

15 Mar 23

4200

550

29 Mar 23

1220

550

 

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