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Water Quality - Gisborne to Wainui

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Water Quality - Gisborne to Wainui

Waimata River

Date TestedWater QualityResult Level
15 February 2018 - Caution - increased health risk, exceeds health guidelines Enterococci CFU/100ml = 240
15 February 2018 - Caution - increased health risk, exceeds health guidelines E.Coli CFU/100mL = 480
17 January 2018 - Low health risk Enterococci CFU/100ml = 34
17 January 2018 - Low health risk E.Coli CFU/100mL = 38
8 December 2017 - Low health risk Enterococci CFU/100ml = 120
8 December 2017 - Low health risk E.Coli CFU/100mL = 140
10 November 2017 - Low health risk Enterococci CFU/100ml = 56
10 November 2017 - Low health risk E.Coli CFU/100mL = 96
13 October 2017 - Low health risk Enterococci CFU/100ml = 20
13 October 2017 - Low health risk E.Coli CFU/100mL = 44
9 September 2017 - Low health risk Enterococci CFU/100ml = 34
9 September 2017 - Caution - increased health risk, exceeds health guidelines E.Coli CFU/100mL = 270
5 September 2017 - Low health risk Enterococci CFU/100ml = 110
5 September 2017 - Stop - the water poses an unacceptable health risk E.Coli CFU/100mL = 1100
4 September 2017 - Stop - the water poses an unacceptable health risk Enterococci CFU/100ml = 480
4 September 2017 - Stop - the water poses an unacceptable health risk E.Coli CFU/100mL = 2000
2 September 2017 - Stop - the water poses an unacceptable health risk Enterococci CFU/100ml = 2500
2 September 2017 - Stop - the water poses an unacceptable health risk E.Coli CFU/100mL = 6100
15 August 2017 - Low health risk Enterococci CFU/100ml = 25
15 August 2017 - Low health risk E.Coli CFU/100mL = 48
13 July 2017 - Low health risk Enterococci CFU/100ml = 18
13 July 2017 - Low health risk E.Coli CFU/100mL = 150
26 June 2017 - Caution - increased health risk, exceeds health guidelines Enterococci CFU/100ml = 160
26 June 2017 - Caution - increased health risk, exceeds health guidelines E.Coli CFU/100mL = 500
22 June 2017 - Low health risk Enterococci CFU/100ml = 23
22 June 2017 - Low health risk E.Coli CFU/100mL = 30
2 June 2017 - Low health risk Enterococci CFU/100ml = 52
2 June 2017 - Low health risk E.Coli CFU/100mL = 110
31 May 2017 - Low health risk Enterococci CFU/100ml = 110
31 May 2017 - Caution - increased health risk, exceeds health guidelines E.Coli CFU/100mL = 440
30 May 2017 - Stop - the water poses an unacceptable health risk Enterococci CFU/100ml = 320
30 May 2017 - Stop - the water poses an unacceptable health risk E.Coli CFU/100mL = 960

Testing frequency and reading levels

We monitor the Waimata River water quality monthly all year round, with samples taken from Grant Road.

During heavy rain the river can become highly sedimented and contaminated from the agricultural run-off upstream.

CFU water table results26

About Waimata River

The Waimata River travels through Gisborne city from a large catchment area to the north.

The river is popular for kayaking, canoeing, waka ama and fishing.

Waimata River

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