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Most monitors reported generally safe conditions during this 19th week of the monitoring season but blooms were also witnessed at select locations.

While color is fading on the hillsides, it unfortunately is still showing up in the water. October 20 was a particularly busy day for cyanobacteria sightings with blooms reported at a scattering of locations up and down Lake Champlain. Scroll through…

Unfortunately, this was another big week for blooms—with reports of cyanobacteria coming in from all sections of Lake Champlain except Malletts Bay, Missisquoi Bay, and the South Lake. Blooms were also reported from Clyde Pond, Lake Carmi, Lake…

Unfortunately, this was a big week for blooms—reports of cyanobacteria were chronicled at all Lake Champlain sections except the South Lake and Malletts Bay. Blooms expanded in many areas of Lake Memphremagog and were reported on Lake Carmi and Lake…

Clear water dominated on the cyanobacteria tracker during this first full week of fall and the 15th week of the cyanobacteria monitoring program. Most monitors who are still able to report recorded safe conditions, great for late-season recreation.…

Fewer reports are flowing in as we move into fall, park staff leave posts, and seasonal residents close up camps. However, late season blooms are not uncommon so please keep checking conditions whenever you recreate in or around water.

Although generally safe conditions dominated the cyanobacteria tracker again this week, we received reports of cyanobacteria from all Lake Champlain regions except the South Lake and Malletts Bay. Monitors also logged in bloom reports for some sites…

Generally safe conditions prevailed at most locations again this week but cyanobacteria was reported at Lake Champlain’s Main Lake Central, Main Lake South, Missisquoi Bay, St. Albans Bay, and South Lake and at Lake Carmi and Lake Memphremagog.

Windy, cooler weather helped improve water quality conditions during this eleventh week of monitoring. While generally safe conditions prevailed at most locations, cyanobacteria was reported at Lake Champlain’s Inland Sea, Missisquoi Bay, and St.…

Cyanobacteria Monitors filed over 240 reports this past week as blooms popped up or persisted in numerous locations on Lake Champlain and several inland waterbodies. Lake Champlain’s Inland Sea, Main Lake Central, Main Lake South, Missisquoi Bay,…

Happy Friday! Lots of green dots populated the cyanobacteria tracker this week and reports of clear water, non-filamentous green algae, and iron bacteria dominated over cyanobacteria in most areas. However, we did have cyanobacteria bloom reports…

Cyanobacteria monitors kept us busy again this week with 136 Lake Champlain reports and 43 from inland waterways. Blooms occurred in the Lake Champlain’s Inland Sea, Main Lake North, Malletts Bay, and St. Albans Bay as well as Indian Brook Reservoir…

We had many clear water reports early in the week but conditions changed in some areas as the temperatures rose and the air stilled later in the week. A bloom took off in St. Albans Bay, and alert conditions were witnessed elsewhere on Lake…

Happily water conditions improved significantly this week! Roughly 85% of the Lake Champlain reports and 94% of inland waterway reports showed generally safe conditions.

Another busy week of monitoring with variable conditions up and down Lake Champlain. While most monitors reported generally safe conditions at Lake Champlain and inland waterway monitoring sites, low and high alert blooms were in evidence too. Lake…

Lake Champlain Committee (LCC) and community monitors filed a total of 246 reports this week as blooms showed up in a host of Lake Champlain shoreline and inland lake locations. Escalating temperatures spurred cyanobacteria growth that closed beaches…

Although generally safe conditions still dominate on the cyanobacteria datatracker, blooms showed up in several sections of Lake Champlain and Lake Memphremagog this week.

While we received some reports of low alert cyanobacteria conditions on Lake Champlain and Lake Carmi, the majority of monitors observed generally safe conditions during this second week of the 2021 monitoring season. The cyanobacteria datatracker is…

Monitoring began this week and will run through early fall. This week’s report covers conditions from Sunday, June 20 through early-afternoon on Friday June 25. The vast majority of reports we’ve received to date indicate generally safe conditions.…

Cyanobacteria blooms: Why do they happen, what are the risks, and what can we do?

Cyanobacteria blooms have received increasing attention in recent years, as a result of

particularly strong blooms in some areas. As research into blooms continues,…

We weren’t sure how many people would turn out to monitor during a pandemic that required wearing a mask at public sites and quarantining for two weeks if traveling across state lines. But turn out they did! More than 160 community members signed up…

We send heartfelt thanks to Angela Shambaugh, our longstanding cyanobacteria monitoring program colleague who retired in October from the Vermont Department of Environmental Conservation (VT DEC). Angela has been a key partner in the monitoring…

While the cyanobacteria tracker map was dominated by green dots last week, too many red dots evidencing blooms are showing as we head into Labor Day weekend. While good conditions were observed at Lake Champlain’s Malletts Bay, Main Lake South, and…

Monitors filed 151 reports this week from Lake Champlain and inland lake sites. The cyanobacteria tracker map shows lots of green dots this week for generally safe conditions. However, blooms are still present in some areas of Lake Champlain and…

It’s been a tumultuous week with hot weather, intense rains that flushed nutrients and partially treated wastewater to Lake Champlain, and some high winds that knocked out power. In the midst of it all cyanobacteria monitors collectively filed 212…

The Lake Champlain Committee (LCC) and partners received 186 monitor reports last week from August 1 through 4:00 p.m. Friday August 7, 2020. Good conditions were observed in Lake Champlain’s Missisquoi Bay, Malletts Bay and the South Lake while…

The Lake Champlain Committee (LCC) and partners received 154 monitor reports this past week from Saturday July 25 through 1:45 p.m. Friday July 31. Good conditions were observed in Lake Champlain’s Missisquoi Bay, Main Lake North, Malletts Bay and…

We received 183 monitoring reports last week through Lake Champlain Committee (LCC) Cyanobacteria Monitoring Program from Saturday July 18 through mid-afternoon Friday July 24. Due to the high volume of reports and some technical issues we weren’t…

It’s been another busy week for the Lake Champlain Committee (LCC) Cyanobacteria Monitoring Program with 152 reports from Lake Champlain and inland lakes from Sunday July 12 through Friday July 17 at 1:30 pm! Good conditions were observed in Malletts…

Thank you for signing up to receive the Lake Champlain Committee’s (LCC) cyanobacteria monitoring reports! Monitoring will run through the early fall. Each week we’ll send you an update about conditions our monitors are finding around Lake Champlain…

Photosynthetic bacteria, gelatin, and concrete are the building blocks of a new type of material: living concrete! Researchers at the University of Colorado, Boulder, funded by the Department of Defense, formed the new substance. Minerals in the…

Hundreds of LCC-trained volunteers took to the water from mid-June through mid-November to assess conditions at more than 100 Lake Champlain and inland waterway sites. Each week they scoured the shoreline for signs of cyanobacteria, donned gloves and…

This is the last report of the 2019 Lake Champlain and Inland Lake cyanobacteria monitoring season. Lake Champlain Committee (LCC) monitors and partners have filed over 2,700 reports from Lake Champlain and inland lakes during a 22-week season. We’re…

It’s snowing in the Lake Champlain Valley, coating much of our region in a gentle blanket of white as we enter our last weeks of cyanobacteria monitoring. The cooler temperatures make conditions much less hospitable for cyanobacteria, so not…

Cyanobacteria blooms were reported this week from Lake Champlain’s St. Albans Bay, Inland Sea, Main Lake North, Main Lake Central and Main Lake South as well as at Lake Carmi and Lake Memphremagog. Yesterday’s intense rain may wash cyanobacteria out…

Blooms were observed this week at a few Lake Champlain locations as well as on Lake Memphremagog. Temperatures are predicted to stay fairly warm into the beginning of next week, so cyanobacteria may continue to show up in waterways. As you enjoy…

Blooms were experienced this week in Lake Champlain’s St. Albans Bay and Main Lake North, as well as Lake Carmi and Lake Memphremagog. We’ve had a blustery few days, with strong winds triggering lots of wave action on our waterways. In addition to…

We had some great weather for leaf peeping this week but unfortunately, those moderate temperatures and sunny, calm days also helped cyanobacteria blooms flourish. High alert or mixed conditions were witnessed in Lake Champlain’s St. Albans Bay, the…

As temperatures cool and hues of orange, yellow and red color the hillsides, we hope you are enjoying autumn’s beauty. Although blooms are less likely as air and water temperatures drop and frost warnings are in effect, cyanobacteria can still…

Unseasonably warm weekend weather triggered a spate of 17 bloom reports on 9/21 and 9/22. More blooms followed during the week, with some monitors reporting their first blooms of 2019. With temperatures predicted to rise into the 70s on Saturday, we…