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Lakeshore Segment Northeast 1: Northern Marshes to Harris Park

Graph
Bloom Events
Bloom Code Date Water Body County Bloom Extent Bloom Genera [1] Microcystin (ug/L) [2]
1 19-3458-B8 September 09, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 133.5
2 19-3458-B4 August 20, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum, Microcystis 18.4
3 19-3458-B1 July 08, 2019 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 6.9
4 19-3458-B10 October 10, 2019 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis 201.0
5 20-3458-B9 August 03, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 104.0
6 20-3458-B11 August 12, 2020 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 56.4
7 20-3458-B10 August 06, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 500.0
8 20-3458-B8 July 30, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 1000.0
9 20-3458-B7 July 24, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis, Aphanizomenon 500.0
10 20-3458-B6 July 21, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum, Microcystis 500.0
11 20-3458-B5 July 20, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 250.0
12 20-3458-B3 July 12, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 49.9
13 20-3458-B2 July 06, 2020 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Dolichospermum, Microcystis 250.0
14 19-3458-B7 September 08, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 240.75
15 21-3458-B3 July 10, 2021 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 1338.0
16 20-3458-B14 September 06, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 8.76
17 20-3458-B13 August 28, 2020 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 990.0
18 20-3458-B12 August 26, 2020 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 53.1
19 23-3458-B1 August 05, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum, Microcystis, Limnoraphis 3002.0
20 21-3458-B5 August 26, 2021 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 1541.0
21 21-3458-B4 August 20, 2021 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 2244.0
22 23-3458-B5 August 26, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum, Microcystis 8226.0
23 23-3458-B4 August 21, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 3834.0
24 21-3458-B7 September 30, 2021 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 936.0
25 21-3458-B6 September 13, 2021 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 2404.0
26 22-3458-B2 July 13, 2022 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 1910.0
27 19-3458-B5 August 20, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 199.6
28 22-3458-B7 September 30, 2022 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 3632.0
29 21-3458-B2 June 29, 2021 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 50.0
30 20-3458-B1 July 04, 2020 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis 250.0
31 19-3458-B9 September 17, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 610.0
32 19-3458-B6 September 05, 2019 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 1811.0
33 19-3458-B3 August 02, 2019 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 20.74
34 18-3400-B7 September 13, 2018 Cayuga Lake Cayuga Not Reported Microcystis 214.7
35 22-3458-B4 August 10, 2022 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 451.0
36 22-3458-B3 July 17, 2022 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 2500.0
37 22-3458-B1 July 02, 2022 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
38 21-3458-B8 October 04, 2021 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis
39 21-3458-B1 June 09, 2021 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis
40 23-3458-B8 September 20, 2023 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 72.7
41 23-3458-B7 September 06, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 21.1
42 23-3458-B6 September 01, 2023 Cayuga Lake Cayuga Widespread or Lake-wide: The HAB is as far as you can see, and seems to affect the entire waterbody, or most or all of the shoreline. Microcystis 45.9
43 23-3458-B9 October 13, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
44 18-3400-B6 September 04, 2018 Cayuga Lake Cayuga Not Reported Microcystis 2533.2
45 24-3458-B3 August 29, 2024 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 972.0
46 24-3458-B5 September 20, 2024 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 971.0
47 24-3458-B4 September 10, 2024 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Dolichospermum 6462.0
48 24-3458-B2 August 14, 2024 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
49 24-3458-B1 August 13, 2024 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 2359.0
50 25-3458-B2 July 08, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
51 23-3458-B3 August 14, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 11154.0
52 23-3458-B2 August 09, 2023 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody. Microcystis 648.0
53 20-3458-B15 September 20, 2020 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum, Microcystis 1556.7
54 25-3458-B3 August 22, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
55 25-3458-B4 August 22, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 234.0
56 25-3458-B5 September 01, 2025 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
57 25-3458-B1 July 08, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Dolichospermum 4.57
58 25-3458-B7 September 23, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties. Microcystis 728.0
59 25-3458-B8 September 23, 2025 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
60 25-3458-B6 September 12, 2025 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
61 25-3458-B9 October 12, 2025 Cayuga Lake Cayuga Large Localized: The HAB is in a small area, but affects many properties, along a large segment of the shoreline, or in a specific region of the waterbody.
62 26-NE1-B1 June 24, 2026 Cayuga Lake Cayuga Small Localized: The HAB is contained in a very small area of the lake, limited from one to several neighboring properties.
[1] Genera - plural of genus, a category of classification in biology that ranks between the family level and the species level. Because there are many different species of bacteria that are difficult to distinguish, it is more useful to classify bacteria by genus rather than species.
[2] Total Microcystins and Nodularins (EPA 546)