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Enviro Lac Gauvreau


Latest News

2022


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New Board of Directors (BOD) Meeting Chooses Executive

September 26, 2022 — The Enviro Lac Gauvreau BOD met on the 14th and 20th of September where newly elected members were welcomed, a renewed work plan agreed upon, and members of the Executive chosen.

At the recent AGM, a record nine candidates let their names stand for seven positions on the Board of Directors. The hybrid meeting—conducted in-person and via ZOOM— was well attended.

Because a new election method was used this year, the election was not held at the AGM as was customary in the past. Instead, it was run online using
Election Runner. This is a proven and secure online election platform. It was selected for its simplicity, ease of use, and for its adherence to online security and privacy regulations.
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UPDATE: Water quality testing for summer 2022

SEPTEMBER, 2022 UPDATE — Results of the third set of water quality samples collected in August have been released. Our Association's sampling program measures 1) Total Phosphorus (TP) and 2) bacteria (E.coli) levels to determine safety for swimming. The next set of samples will be collected in the fall. Welcome our water testers as they go about their volunteer job.

ASSOCIATION TEST RESULTS

1) Our Association's sampling program measures
bacteria (E.coli) levels to determine safety for swimming. Results to date show that our lake is safe for swimming.

2) Our Association's sampling program also measures
total Phosphorus (TP) levels to determine nutrient levels. Results to date show that our lake has an excessive nutrient load that promotes the growth of milfoil and algae.

RSVL TEST RESULTS

Results of the first set of full RSVL test samples conducted in June 2022 have been released. More samples will be taken as summer progresses, and analysis/verdict will be available only at the end of the season. Enviro Lac Gauvreau is now fully supported by the “Réseau de surveillance volontaire des lacs” (RSVL).

Reports will be posted as they are received.
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Milfoil marker buoys repositioned... Again!

August 4, 20212— Four buoys that mark the shallow area in the middle of the lake, halfway between the island and the campsite, were stolen twice this year and have been replaced for a third time. Having originally been placed this spring by volunteers, they indicate a significant milfoil bed and should have been left in in place.

With the assistance of hard working volunteers such as Marc and John, seen in the above photo, over forty buoys are now deployed. Locations will continue to be assessed and they will be moved or more added as appropriate.
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Outaouais research project to study impacts of invasive aquatic plant

July 15, 2022— Alexander Behne · CBC News

Eurasian water-milfoil grows into a thick mat beneath the water’s surface and can be harmful to native plants

A small municipality in the Outaouais, with the help of the province of Quebec, is launching a study to investigate the impacts of an invasive aquatic plant that could be damaging the ecosystems of lakes in the region.

Eurasian water-milfoil grows in dense strands just below the water's surface.

The fast-growing perennial plant poses a threat to aquatic ecosystems due to its aggressive, relentless growth which can crowd out native plants and potentially be harmful to fish communities.

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Milfoil Task Force explores best practices and specialized tools to control milfoil

June, 2022 — Enviro Lac Gauvreau's Milfoil Task Force has been working on the best approaches to direct treatment of the pervasive weed. The Task Force had hoped to issue clear guidelines this Spring, but regulatory barriers have temporarily delayed this step forward.

Plans to control milfoil have followed two tracks: 1) measures designed to slow the spread of the weed—such as buoys, boating restrictions, etc. and 2) direct treatment.

Research indicates that clearing limited areas adjacent to the shoreline can best be accomplished in 2 ways:

• by careful manual removal methods and

• by covering some areas with burlap.


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Guidelines for Responsible Boating Practices

May 2022 — Enviro Lac Gauvreau formed a sub-committee that included a cross-section of the Lac Gauvreau community to develop responsible boating guidelines to minimize further spread of Eurasian milfoil.

Over the last ten years, the Association has made many efforts to deal with the milfoil issue and the role of watercraft in its spread. These efforts have included buoys delineating “no go” areas for all types of boats, signs to explain the buoys, direct communication with boaters found within the buoyed areas, membership education, professional assistance from
ABV des 7 to explore remediation measures, and financial assistance from the Municipality to enhance the previously noted measures.

We hope that you will adhere to these guidelines in the spirit with which they were developed: to enable us to continue to operate our boats on the lake in a manner that is safe and environmentally friendly.
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Report from ABV des 7 biologists recommends shoreline restoration strategies

April 9, 2022 —The non-profit environmental organization ABV des 7 presented a well attended Zoom webinar for residents on the morning of April 9th. The objective was to present the rationale, and make recommendations, based on their recently released report on the condition of Lac Gauvreau and its shoreline.

Based on onsite observations and scientific evaluations, biologist Jean-François Ouellet, who is the General Manager of ABV des 7, presented their report that recommends actions focussing on the preservation and restoration of the lake's riparian (shoreline) buffer. The report was commissioned by the Enviro Lac Gauvreau owners association.

The report emphasized that restoration of the lake shoreline is one of the most important measures residents can take to avoid nutrients flowing into the water, a strategy that is vital to preventing further premature aging of Lac Gauvreau.

According to the report, Lac Gauvreau's eutrophication (lake aging) ranges from
mesotrophic to the extreme end of the eutrophic classification, especially in Parent Creek and at its outflow. Eutrophication is the process in which lakes receive nutrients (phosphorus and nitrogen) and sediment from the surrounding watershed, and become more fertile and shallow.

Mesotrophic lakes are commonly clear water lakes with beds of submerged aquatic plants and medium levels of nutrients. Eutrophic lakes, on the other hand, contain excessive nutrients—especially nitrogen and phosphorus—which promote the growth of algae blooms and aquatic plants such as Eurasian watermilfoil.

Phosphorus intake comes from agricultural drainage, non-compliant septic tanks, and impermeable infrastructures
close to the lake (structures that prevent the free flow of water). A watershed map of the area clearly shows that much of the pollution entering Lac Gauvreau is from agricultural productivity.

ABV des 7 has been actively working with area lake associations, including Lac Gauvreau's, for several years as concerns mount about environmental issues. ABV des 7 consists of a team of five specialists in stakeholder engagement, geomatics, limnology, and ecology. Their activities and services include:
  • Preventing water pollution
  • Monitoring water bodies
  • Protecting wetlands
  • Building community capacity
  • Fight against invasive species
  • Engaging and educating people


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