Toxic Algae Monitoring

Phormidium cyanobacteria % cover at river monitoring sites
Date	Maitai at Avon Terrace	Maitai at Dennes Hole	Maitai at Campground	Wakapuaka at Hira Reserve
2019
19 Mar	0	0	0	0
12 Mar	0	0	0	0
27 Feb	0	0	0	0
15 Feb	0	0	0	0
8 Feb	0	0	0	0
1 Feb	0	0	0	0
25 Jan	0	0	0	0
18 Jan	0	0	0	0
15 Jan	0	0	0	0
3 Jan	0	0	0	0
2018
27 Dec	0	0	0	0
20 Dec	0	0	0	0
17 Dec	6.6	1.75	1.75	3.25
3 Apr	7.75	1.25	4.75	1
21 Mar	10.25	0.5	2.5	3
14 Mar	7.75	0.5	1.5	2.5
7 Mar	3.25	0.25	1	1.75
28 Feb	3	0	0	0.25
22 Feb	Not surveyed due to high flows
15 Feb	0	0	0	0
7 Feb	13.25	0	0	2
31 Jan	9	0	0	1.75
24 Jan	0.75	0	0.5	0.25
17 Jan	0.25	0	0	0.75
10 Jan	0.25	0	0	0.25
3 Jan	0.5	0	0	1.25
2017
27 Dec	0	0	1.75[dm]	1[dm]
20 Dec	2.25[dm]	0.75[dm]	9.5[dm]	2[dm]
13 Dec	7[dm]	2[dm]	13.5[dm]	3.75[dm]
6 Dec	15 [dm]	2.75 [dm]	18.75 [dm]	2.25 [dm]
29 Nov	25	4.75	17.8	3.5
22 Nov	31	6	14.25	4.25
15 Nov	28	9	15.5	3.8
10 Nov	18	14	10.25	2.75
29 Mar	10.75	0	0	2.75
22 Mar	7.75	0	0	1.5
16 Mar	3.75	0	0	2
9 Mar	5.5	0	0	1.5
1 Mar	5.25	0.5	0	1.75
23 Feb	7.75	0.75	0	2.75
15 Feb	8.25	1.25	0	2
9 Feb	7.5	1.25	0	2
1 Feb	4.25	2	0.5	1
26 Jan	0.5	2	0	0
18 Jan	15	15	0	0
11 Jan	16	14	3.5	0.5
4 Jan	16	17.5	3	0
2016
28 Dec	14	12.5	2	0
21 Dec	23.5	21	12.5	0
15 Dec	21.5	17	8.5	0
6 Dec	23.5	17	11	0
30 Nov	21	12.5	6.3	0
21 Nov	3	6	3	0
16 Nov	Not surveyed due to high flows
9 Nov	28	22	3	2
18 Oct	12	[High Flows]	4	0

[dm] : detaching mats