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September 11, 2020 -- The City Lake Contractor (Solitude Lake Management) sprayed, from multiple boats onto the surface of the lake, a 2nd application, of an unknown volume of "GreenClean 5.0" -- the product described from the September 3, 2020 dated U.S. mailed letter to residents.
After this 2nd treatment, the lake water does not appear the same as after the first treatment results, where maximum clarity and elimination of detectable Microcystin toxin were achieved for a short time period. Currently, the lake remained/ remains green after the 2nd treatment and blue-green algae (BGA) is present in large visible quantities . The DEP confirmed toxins still are present during their September follow-up sample at the Southern Lobe (entrance). The DEP did not test the NW Lobe in their Sept follow-up, even though that location was also tested in late August, prior to this treatment.
Since bottom aeration is in place in some areas, adding necessary oxygen and circulating the water. It appears that nutrients from the bottom water, likely from the sediment - fill, are being dispersed through the water column and not being reduced enough by the added oxygen at this time. The lake sediment still remains untested/ undisclosed or investigated by the State (DEP) or the City of St. Pete as a nutrient source.
October 14, 2020 -- The City Lake Contractor (Solitude Lake Management) had a single boat on the lake, where supposedly a copper algaecide application was applied -- the product described from the September 29, 2020 dated U.S. mailed letter to residents. The method of application, application areas, and time span did not resemble the prior 2 GreenClean treatments.
Sept 1 2020
Northwest Lobe
Visible BGA Build-Up
Green Turbid Water
Sept 3 2020
Northwest Lobe
Visible BGA Build-Up
Green Turbid Water
Sept 4 2020
Northwest Lobe
Visible BGA Build-Up
Green Turbid Water
Sept 4 2020
Southern (Entrance) Lobe
Visible BGA Build-Up Trapped in Floating Cattail
Green Turbid Water
Odors still being reported at Entrance and NW Lobes
Sept 6 2020
Southern (Entrance) Lobe
Visible BGA Build-Up
Green Turbid Water
Sept 6 2020
Northwest Lobe
Visible BGA Build-Up
Green Turbid Water
Sept 7 2020
Southern (Entrance) Lobe
Visible BGA Streaking
Green Turbid Water
Sept 7 2020
Northwest Lobe
Visible BGA Build-Up Trapped in Floating Cattails Debris
Green Turbid Water
Sept 10 2020
Northwest Lobe
Green Turbid Water
Sept 11 2020
Southeast Lobe
Hours after 2nd GreenClean treatment
Visible BGA Streaking
Green-Gray Turbid Water
Sept 14 2020
Northwest Lobe
3 Days After 2nd Treatment of GreenClean
Green Turbid Water
Sept 15 2020
Southeast Lobe
4 Days After 2nd Treatment of GreenClean
Green-Gray Turbid Water
Sept 15 2020
Northwest Lobe
4 Days After 2nd Treatment of GreenClean
BGA Streaking / Slight Buildup Present
Green Turbid Water
Sept 16 2020
Northwest Lobe
5 Days After 2nd Treatment of GreenClean
Green Turbid Water
Sept 17 2020
Northwest Lobe
6 Days After 2nd Treatment of GreenClean
Visible Bright Green BGA Build-Up
Green Turbid Water
Sept 18 2020
Southeast Lobe
1 Week After 2nd Treatment of GreenClean
Visible Bright Green BGA Present Throughout Lobe
Green Turbid Water
Sept 22 2020
Southeast Lobe
11 Days After 2nd Treatment of GreenClean
Visible BGA Streaking and Build-Up
Green Turbid Water
Sept 22 2020
Southern (Entrance) Lobe
11 Days After 2nd Treatment of GreenClean
Visible BGA Streaking
Example BGA Build-Up Trapped in Floating Cattail
Green Turbid Water
Sept 23 2020
Southern (Entrance) Lobe
Visible BGA Buildup
Sep 24 2020
Northwest Lobe
Visible BGA Buildup
Sept 25 2020
Southeast Lobe
Visible BGA Buildup
Sept 26 2020
Southeast Lobe
Visible BGA Buildup
Sept 28 2020
Northwest Lobe
Visible BGA Buildup
Sept 30 2020
Northwest Lobe
Visible BGA Buildup
Oct 1 2020
Southeast Lobe
Visible BGA Buildup
Oct 4 2020
Southeast Lobe
Visible BGA Buildup
Oct 6 2020
Southern (Entrance) Lobe
Visible BGA Buildup
Oct 9 2020
Northwest Lobe
Green Water
Oct 12 2020
Southern (Entrance) Lobe
Visible BGA Buildup
Oct 12 2020
Southeast Lobe
Visible BGA Buildup
Oct 13 2020
Southeast Lobe
Green Water
Visible BGA Buildup trapped in floating cattail island
Oct 14 2020
Southern (Entrance) Lobe
Visible BGA Buildup
Strong Odor for 1 week
Solitude Boat Trailer Out for Treatment Application
Oct 16 2020
Southern (Entrance) Lobe
Visible BGA Buildup
Oct 18 2020
Northwest Lobe
Green Water
Oct 20 2020
Southern (Entrance) Lobe
Less Green Water
Visible BGA Buildup trapped in floating cattails; Odors present where BGA is trapped
Oct 21 2020
Northwest Lobe
Less Green Water
Modest BGA Odor
Oct 23 2020
Northwest Lobe
Green-Brown Water
Modest BGA Odors from Cattails
Oct 26 2020
Southern (Entrance Lobe)
Brown-Gray Turbid Water
Cattail roots remain in water after visible green stalks being cut; therefore plants will grow back because rhizomes / root system not removed
Oct 27 2020
Southeast Lobe
Yellow-Green-Brown Turbid Water
Oct 28 2020
Northwest Lobe
Green-Brown Water
Oct 28 2020
Southeast Lobe
Yellow-Green-Brown Water
Oct 29 2020
Southeast Lobe
Yellow-Green-Brown Turbid Water
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