Cyanobacteria advisory

Advisory lifted · Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations)

Source: Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations) via vt-advisories, record cyano:f5bddabb-8b69-4574-a52f-ffec1b7a602b, reported Oct 24, 2026, 3:28 PM EDT, retrieved 2026-11-02 11:55 UTC · notice

Colours no water as of Nov 2, 2026, 6:56 AM EST.

A report is not a test of the water. See how statuses are worked out.

1. The reported outfall

Outfall reported by an operator the record does not name. Location: 44.42633, -73.21770, given in the source record.

2. Waters named in the notice

The notice names: “Lake Champlain”. We place it on Lake Champlain, VT. Matched by the name of the water in the source record.

3. Modeled downstream reach

Not modeled: the reach model runs on rivers above the head of tide only.

Source: water outlines from OpenBoatLaunch and OpenStreetMap contributors (ODbL); outfalls from EPA ECHO and the state outfall layers; modeled reaches computed by DirtyWaterWatch from USGS NLDI, NHDPlus and the nearest USGS gauge (Jobson 1996); basemap OpenFreeMap and OpenMapTiles.

Open on the main map

When: three different times

The time of the event, the time the source reported, published or updated it, and the time we fetched it are kept apart. Times are shown in New England time; the record keeps the original offsets.

Started: not reported
Ended: not reported
Precision: Known to the minute
Reported to the source: Oct 24, 2026, 3:28 PM EDT
Published: not given
Source last updated: Oct 24, 2026, 3:28 PM EDT
We fetched it: 2026-11-02 11:55 UTC

What and how much

Type: Cyanobacteria advisory
Status in the record: Advisory lifted
Material: “cyanobacteria (visual observation)”
Volume: not reported (not stated whether estimated or measured)
Volume in the source's words: none

Advice

“Vermont Department of Health tracker legend: Generally Safe means no blooms were observed, but there may have been tiny specks of cyanobacteria observed in the water. Conditions can and do change.”
Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations)

Advice window: not stated in the record; the state's window on the methods page applies
Basis: not stated

Source and revisions

Source: vt-advisories
Record id at the source: cyano:f5bddabb-8b69-4574-a52f-ffec1b7a602b
Original notice: https://www.healthvermont.gov/environment/tracking/cyanobacteria-bl…
Revision of: none (first record)
Revised by: no later revision

Every field of the record

All fields of event vt-advisories:cyano:f5bddabb-8b69-4574-a52f-ffec1b7a602b
`event_id`	vt-advisories:cyano:f5bddabb-8b69-4574-a52f-ffec1b7a602b
`source_id`	vt-advisories
`source_record_id`	cyano:f5bddabb-8b69-4574-a52f-ffec1b7a602b
`parent_event_id`	null
`event_type`	hab_advisory
`status`	advisory_lifted
`discharger_id`	null
`discharger_name`	null
`npdes_permit`	null
`outfall_id`	null
`outfall_name`	null
`waterbody_text`	Lake Champlain
`water_slugs`	["lake-champlain-vt"]
`water_match`	name
`lat`	44.426330284065614
`lon`	-73.21770324425707
`coord_source`	source
`coord_precision_m`	null
`started_at`	null
`ended_at`	null
`time_precision`	minute
`reported_at`	2026-10-24T15:28:00-04:00
`published_at`	null
`source_updated_at`	2026-10-24T15:28:00-04:00
`fetched_at`	2026-11-02T11:55:56Z
`material`	cyanobacteria (visual observation)
`volume_gal`	null
`volume_text`	null
`estimate_flag`	unknown
`authority`	Vermont Department of Health (Cyanobacteria Tracker; volunteer and staff observations)
`advice_text`	Vermont Department of Health tracker legend: Generally Safe means no blooms were observed, but there may have been tiny specks of cyanobacteria observed in the water. Conditions can and do change.
`advice_window_hours`	null
`advice_window_basis`	null
`source_url`	https://www.healthvermont.gov/environment/tracking/cyanobacteria-blue-green-algae-tracker
`parse_error`	null
`fixture`	false
`file`	events/vt-advisories~3Acyano~3Af5bddabb-8b69-4574-a52f-ffec1b7a602b.json
`duplicate_of`	null
`placement_note`	null
`unplaced_reason`	null
`set_aside`	null
`superseded`	null
`reach`	null
`reach_band`	null

The source's record (raw)

{
  "OBJECTID": 3529,
  "ReportDate": 1792870080000,
  "Waterbody": "Lake Champlain",
  "Municipality": "South Burlington",
  "SiteName": "Bartlett Cove",
  "StatusWeb": "Generally Safe",
  "GlobalID": "f5bddabb-8b69-4574-a52f-ffec1b7a602b",
  "_layer": "Cyanobacteria_Current_Approved_Reports_View",
  "_site_key": "cyano:lake-champlain-south-burlington-bartlett-cove",
  "_match_notes": null,
  "_layer_data_last_edit": "2026-11-01T18:38:17.127000Z",
  "_was_active": false
}

Personal fields (names, emails, phone numbers of staff) are removed from raw records before they are stored.