Troost Lake: toxic algae advisories

Troost Lake, Missouri.

What the state's records say

Notice (notice), last posted Apr 23, 2023. No all-clear recorded.

Reporting is voluntary, so the state may not have recorded an end even if conditions changed. Check posted signs and the official map.

What this level asks: The state recorded an advisory here. Read the state's notice and any sign posted at the water, and keep people, children and pets out of discolored or scummy water.

Before you go, check the state's official algae page and any signs posted at the water.

Dogs at Troost Lake

The state has an advisory on file for Troost Lake (Notice (notice)), last posted Apr 23, 2023, and no all-clear recorded. Keep your dog out of the water and away from scum on the shore until the state records an end.

More on dogs and toxic algae.

Reported spots

The state records each report at a spot, such as a beach or a boat ramp. Each spot's latest deciding record:

Each reported spot at Troost Lake and its latest status
SpotStatus
Troost Lake Reports on file, with no advisory level the state has classified.
Troost Lake Reports on file, with no advisory level the state has classified.
Troost Lake Reports on file, with no advisory level the state has classified.
Troost Lake Notice (notice), last posted Apr 23, 2023. No all-clear recorded.
Troost Lake Reports on file, with no advisory level the state has classified.
Troost Lake Reports on file, with no advisory level the state has classified.

Advisory history

Every case the state has published for Troost Lake, newest first. Each case carries its current status code; the label beside it is this site's reading of the code.

Advisory records for Troost Lake, newest first
DateSpotState's levelNotes
Aug 10, 2024 Troost Lake Dissipated (dissap) Case closed. Marked dissipated; no date recorded.
Jul 22, 2023 Troost Lake Dissipated (dissap) Case closed. Marked dissipated; no date recorded.
Jun 10, 2023 Troost Lake Dissipated (dissap) Case closed. Marked dissipated; no date recorded.
Apr 23, 2023 Troost Lake Notice (notice) Case closed.
Sep 23, 2022 Troost Lake Dissipated (dissap) Case closed. Marked dissipated; no date recorded.
Mar 3, 2022 Troost Lake Blank in the state's file Case closed.

Source

Missouri data: Missouri Department of Natural Resources, Harmful Algal Bloom response map. Status codes are the department's; their plain-English labels here are this site's reading of the codes. The state's data. An advisory ends only when the department records a dissipation date. A closed case without one is not read as an end.

Required by the State of Missouri:

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