{"id":434,"date":"2024-03-21T17:43:30","date_gmt":"2024-03-21T16:43:30","guid":{"rendered":"https:\/\/dev.asleman.org\/?page_id=434"},"modified":"2025-12-04T12:57:58","modified_gmt":"2025-12-04T11:57:58","slug":"surveillance-du-lac","status":"publish","type":"page","link":"https:\/\/asleman.org\/en\/surveillance-du-lac\/","title":{"rendered":"Lake surveillance"},"content":{"rendered":"
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Lake surveillance<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\tIn addition to its involvement in a number of committees (fisheries and ports in the canton of Geneva, Forum Grand Gen\u00e8ve, Thonon Agglo, River Committees), the ASL makes representations to the authorities whenever it deems it necessary.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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surface area of the lake = 90,000 football pitches<\/div>\t\t\t
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linear length of rivers feeding Lake Geneva<\/div>\t\t\t
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maximum depth of the lake = approximately the Eiffel Tower (324 m with the antenna)<\/div>\t\t\t
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around the lake = 2 days and 2 nights of intensive walking<\/div>\t\t\t
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average residence time of a drop of water in the lake<\/div>\t\t\t
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average depth of the lake = height of the Geneva Jet d'eau<\/div>\t\t\t
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Membership of committees<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Vaud Nature Platform <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The Plateforme Nature Vaudoise brings together players committed to biodiversity in the canton of Vaud. Its aim is to strengthen coordination, the sharing of experience and synergy between public institutions, NGOs and land managers. The platform makes it possible to identify joint actions, optimise resources and develop concerted projects to preserve nature. Its members meet several times a year to work together towards a shared vision of nature.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Greater Geneva - The Franco-Vaud-Geneva conurbation <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The agglomeration forum is the forum for consultation of cross-border civil society in the Greater Geneva area. It is a key player in the construction of the France-Vaud-Geneva conurbation and the social, cultural and geographical cohesion of its territories.<\/p>

More information<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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The agglomeration forum is the forum for consultation of cross-border civil society in the Greater Geneva area. It is a key player in the construction of the France-Vaud-Geneva conurbation and the social, cultural and geographical cohesion of its territories.<\/p>

More information<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Cantonal Fishing Commission - Geneva <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The Commission de la P\u00eache is a consultative body that works as a group of experts to help and advise the D\u00e9partement du territoire and in particular the Service du Lac, de la Renaturation des cours d'eau et de la P\u00eache (SLRP) on the management of fishing in Geneva.<\/p>

Members are elected by the Council of State.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Cantonal Harbour Commission - Geneva <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The Commission's task is to give its opinion, in an advisory capacity, on technical issues concerning the roadstead and port facilities in Geneva waters. In the case of building permits processed under the fast-track procedure, with certain exceptions, the Commission's opinion is expressed, by delegation, by the specialist department concerned. If necessary, exceptions are defined by the aforementioned committee.<\/p>

In addition, the committee may, in particular, put forward any suggestions relating to desirable improvements and port maintenance, taking into account the wishes of the population of the groups represented.<\/p>

The members are elected by the Council of State on the basis of a dossier.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Nature and Landscape Platform (PNPGE) - Geneva <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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21 PRIORITY MEASURES BY 2023<\/a><\/h4>

The biological diversity of the canton of Geneva and the quality of its landscapes are remarkable. But the expansion of the conurbation in recent decades and the pressure it has exerted on many natural resources (flora and fauna) and landscapes have led to a significant decline in many of them.<\/p>

Faced with the challenge of conserving Geneva's biodiversity, a number of organisations active at cantonal level have come together to form the \"Plateforme Nature et Paysage Gen\u00e8ve\" (PNPGE).<\/p>

To give concrete expression to its demands in the field of nature and the landscape, and in particular to highlight 21 priority measures for the coming years, the PNPGE has drawn up a Manifesto, a document which appeals to Geneva's elected representatives and which should also serve to strengthen the links between all those involved in the ecological transition.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Interventions by the ASL with the authorities\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Quagga mussel hoover project in Lake Geneva - 2025 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Although aware of the threat posed by the Quagga Mussel - an invasive non-native species - to the lake ecosystem, technical installations and human activities, the ASL is concerned about the deleterious effects that a hoover project carried out by the company Alien Limited could have on the native benthic fauna and\/or littoral seagrass beds and their seeds contained in the sediments harvested with the Quagga Mussels.<\/p>

As a result, on 17 November the ASL wrote to the Swiss and French authorities and to the CIPEL to find out their position on this project, given that tests have been authorised in Hermance and Thonon.<\/p>

Read the ASL's letter to the OCeau of the Canton of Geneva, the DGE of the Canton of Vaud and the CIPEL.<\/em><\/a><\/p>

Rapid responses were sent to the ASL in November and December 2025.<\/p>

Read the feedback from the Vaud State Department of the Environment (DGE-PRE1) <\/em><\/a><\/p>

Read CIPEL's response<\/em><\/a><\/p>

The ASL thanked the departments and the CIPEL for their positions, which were in line with the association's concerns.<\/p>

We took advantage of these discussions to say that the ASL would be happy to help if a working group on this invasive species or other neo-biota were to be set up.<\/p><\/div><\/div>

\u00a0<\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Detection of 1,2,4-triazole in the waters of Lake Geneva - 2025 - ongoing <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Following the discovery of traces of 1,2,4-triazole in drinking water from Lake Geneva, the ASL contacted the Valais Cantonal Environment Service (SEN) to obtain details of the origin, extent and monitoring of this contamination, as well as its potential impact on the Lake Geneva ecosystem.<\/div>
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Read the ASL's letter to the SEN of the canton of Valais<\/i><\/a><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Lake works and dispersal of invasive neophytes in Lutry - 2025 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Alerted by field observations, the ASL asked the Biodiversity and Landscape Division (DGE-BIODIV) of the canton of Vaud for clarification regarding work carried out in the port of Lutry, which may have encouraged the dispersal of invasive aquatic plants in Lake Geneva.<\/div>
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Read the ASL's letter to the DGE-BIODIV<\/i><\/a><\/div><\/div><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t
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Tattes-de-Bogis landfill (VD) - 2022 -2025 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The ASL has been a member of the monitoring group for the Tattes-de-Bogis type A and B landfill project since 2012. On 12 September, following the public consultation, it sent a letter to the Direction g\u00e9n\u00e9rale du territoire et du logement of the Canton of Vaud to express its concern about the risk of pollution that this project poses to the Versoix, one of the main tributaries of Lake Geneva.<\/span><\/p>

Read the ASL's letter to the Direction g\u00e9n\u00e9rale du territoire et du logement of the Canton of Vaud<\/a><\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Operation of a solid rock quarry at St-Gingolph (F) - 2024 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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On 4 March 2024, the ASL submitted a reasoned opinion following the public enquiry into a quarry project in St-Gingolph that would have an impact on the Lake Geneva region in terms of 1) the St-Gingolph and Locum sites (quarry and coastal installations), 2) the D1005 road (transit of materials by lorry) and 3) the \"Sagradranse\" site in Amphion (coastal installation used to transport some of the materials by lake to Switzerland).<\/p>

The ASL's questions focused in particular on water protection, damage to the coastline and aesthetic impacts. CHB Carri\u00e8re, the project owner, has responded to the ASL's questions in a detailed report. The ASL is monitoring the project.<\/p>

Read the ASL's reasoned opinion sent to the Mairie de St-Gingolph<\/a><\/em><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Port Lombard Odier (GE) - 2024 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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On 13 August 2024, the ASL sent a letter to Banque Lombard Odier & Cie SA concerning their plans to install a landing stage and boat house encroaching on Lake Geneva at Bellevue. The purpose of the letter is to ask the bank to send the ASL the impact notice for the planned infrastructure, so that the ASL can, if necessary, submit its observations concerning any impact on biodiversity and the quality of the lake's water. As no response was received by the end of 2024, a reminder is planned.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Vongy micro-hydroelectric power station (F) - 2024 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Following the public enquiry into a project to develop a hydroelectric power station at Vongy in the municipality of Thonon-les-Bains, the ASL sent a reasoned opinion to the commissioners in charge of the enquiry on 21 August, after reading the dossier. The ASL's questions concerned in particular the potential impact on lake trout and the Dranse. No news by the end of 2024.<\/p>

Read the ASL's reasoned opinion sent to the Commune of Thonon<\/em><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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New developments in the Geneva harbour - 2024 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The State of Geneva, in collaboration with the City of Geneva, has carried out a test study with a view to obtaining a master plan for part of the Rade de Gen\u00e8ve (police station, bathing area and renaturation near the jet d'eau). In this context, the ASL took part in two meetings at the end of 2024, at which it noted that the potential impact on the sea grass beds had been properly taken into account. It issued recommendations on the potential influence of uses and the importance of preserving the ecological quality of this environment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Redesign of the LEAUX Geneva - 2024 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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In September 2024, the ASL responded to the consultation questionnaire on the revision of the Canton of Geneva's Water Act. It noted several positive points, in particular the desire to retain rainwater at source, but expressed doubts about the merits of the disappearance of the renaturation fund.<\/p>

In September 2024, the ASL responded to the consultation questionnaire on the revision of the water law in the canton of Geneva. It identified a number of positive and negative points, which it passed on to the canton.<\/p>

The State of Geneva, in collaboration with the City of Geneva, has carried out a test study with a view to obtaining a master plan for part of the Rade de Gen\u00e8ve (police station, bathing area and renaturation near the jet d'eau). In this context, the ASL took part in two meetings at the end of 2024, at which it noted that the potential impact on the sea grass beds had been properly taken into account. It issued recommendations on the potential influence of uses and the importance of preserving the ecological quality of this environment.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Autosaisine Grand Gen\u00e8ve - 2024 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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As part of its participation in the Greater Geneva Agglomeration Forum, the ASL, in collaboration with the UNIGE and the WWF, has submitted a detailed report on the analysis of the \u201cWater, Soil and Biodiversity\u201d components of the Charter of Greater Geneva in Transition. This document of almost 100 pages proposes actions to be put in place following an in-depth study of the Charter and consultation with numerous stakeholders in the Lake Geneva region.<\/p>

Le report<\/a> was made public in October 2024.<\/p>

\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Plastic pollution in the Grangettes nature reserve (VD) - 2024 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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During the traditional clean-up of the Grangettes reedbed organised by Pro Natura in March 2024, our two associations worked together to carry out a more thorough collection of plastic waste in the reserve.<\/p>

Following the alarming discovery of the mass of plastic found, the ASL and Pro Natura Vaud sent a letter to the DJES of the canton of Vaud to alert him to the situation and to find out whether any measures are planned or have already been implemented to curb the pollution. No less than 830 kg of plastic have been removed from the site, representing around 200,000 items of this material, which has no place in nature. Most of the waste collected is already highly fragmented, suggesting that it has been present in the environment for some time.<\/p>

GEODE's response shifts the responsibility to a number of other players: municipalities, project owners and the canton of Valais. However, it mentions possible improvements with the revision of the cantonal law on waste, which should be completed in 2025.<\/p>

Read the letter from the ASL and Pro Natura to the Canton of Vaud<\/em><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Plastic fibres used in shotcrete (GE-VD-VS) - 2023 - in progress <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The project Pla'stock<\/em> has identified a new source of plastic waste: fibres incorporated into shotcrete used in special structures, particularly tunnels. As a result, in May 2023 the ASL organised a meeting with the cantonal offices (in Valais, Vaud and Geneva) to alert them to the problem and examine what could be done to prevent this type of waste from polluting the waters of Lake Geneva. The meeting provided an opportunity to exchange views on the subject, and the bodies present announced that they had undertaken to investigate the possible reasons for these \"losses\" and the extent to which these fibres are dispersed in the environment.<\/p>

With no news since this announcement, the ASL contacted the authorities again at the end of 2023 and in October 2024, with no results to date.<\/p>

Read the ASL's letter to the cantons<\/a>
<\/em>Read the ASL reminder sent to the Cantons<\/em><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Disappearance of seagrass beds in Prangins (VD) - 2023 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The ASL sent a letter to the municipality following the observation, in early September 2023, of the disappearance of aquatic grass beds (composed of submerged aquatic plants), downstream of the Ab\u00e9riaux port, although it had still observed them during its last visit in the summer of 2021. The Commune replied that this was linked to the sudden cooling of the water at the beginning of August. The ASL is astonished that an event of this type could lead to the disappearance of seagrass beds and will monitor the development of this area in the future.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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GIS: combating Quagga (GE) - 2023 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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An article in SIG's magazine Vive la Vie on the fight against Quagga mussels on the strainers installed in Lake Geneva mentions the use of a new antifouling. The ASL asked SIG for details of the composition of the product used and whether tests of its potential impact on the ecosystem had been carried out. SIG replied that the antifouling used is VC17 and that monthly monitoring is carried out on the coated area using an underwater drone and that periodic water quality analyses are carried out. LASL has not been informed of the results.<\/p>

LASL is surprised by this response, particularly as regards the choice of VC17 antifouling, which has been banned from sale since 2023 due to the toxicity of its components.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Biomedia from WWTPs found in Lake Geneva - 2023 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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As part of the \u226a Plastock \u226b study, numerous plastic supports (biomedia) for biological control in WWTPs were found on several beaches around Lake Geneva. In view of the press articles, the last accidents linked to these biomedia appear to date back several years.<\/p>

Some of the items found, however, appear to have suffered very little damage, and the ASL is wondering whether they may have recently entered the environment. It has therefore contacted the authorities.<\/p>

The Canton of Vaud Water Protection Department replied that, following losses in 2012 and 2013, additional measures had been taken to increase the level of safety.<\/p>

According to the Valais Environment Department (SEN), no incidents have occurred since 2014. The department will be contacting wastewater treatment plants and industries that use this type of medium to assess the measures in place to prevent this type of accident.<\/p>

The ASL has also contacted the VSA (Swiss Association of Water Protection Professionals), which has no explanation at this stage. The ASL continues to find biomedia on a regular basis during its clean-ups; it will continue its investigations.<\/p>

\u00a0<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Sediment dredging (GE) 2022 - ongoing <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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In 2022, the ASL observed that during renovation and maintenance work in Lake Geneva harbours, no form of sorting or sieving is carried out during dredging, transport and sediment release procedures. In December 2022, it asked the Office Cantonal de l'Environnement du Canton de Gen\u00e8ve (OCEV) what could be done to prevent the waste accumulated in the sediment from being discharged further into the lake. The management of the OCEV quickly organised a test during the dredging of Port Wilson to find out the actual quantity of waste found, for which we are grateful. These tests were carried out in October 2023 and a report on the work was provided by the harbour master's office in April 2024. After reading this report, the ASL made a number of comments and queries, but to date has not received any answers to its questions.<\/p>

Read the ASL's letter to<\/em> OCEV<\/em><\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Renaturation of the Venoge and relocation of boats from the Venoge port (VD) 2022 - ongoing <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The ASL has been monitoring the Venoge renaturation project and the relocation of boats in the port since 2022. In this context, in February 2024 it called on the canton of Vaud following the publication of a SIMAP call for tenders, which stated that: \u00abThe relocation of mooring places is an imperative condition for the renaturation of the river mouth. The relevant players in the project depend on perimeter 2 of the Venoge corridor (inside and just outside). The possibility of creating a port to the south of the Laviau sports fields is currently being studied by the municipality of Saint-Sulpice and is not the subject of this call for tenders\u00bb. The ASL therefore asked for clarification of the interactions between the \u00abrenaturation\u00bb and \u00abnew port\u00ab projects. Following the response given by the Directorate-General for the Environment (DGE-EAU), the ASL concluded that the renaturation project could not proceed without finding a solution for man-made needs (boat mooring). As a result, the ASL has indicated to the Canton that it will pay particular attention to the harbour project, to ensure that it also brings benefits in terms of biodiversity.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Bill and motion for access to the Rives (GE and VD) - 2022-2023 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The ASL is opposed to proposals for greater public access to the banks of the lake and rivers. In 2022, it was heard in Geneva by the cantonal planning committee responsible for studying draft legislation PL 13024 of the Geneva Grand Council, and in Vaud by the Vaud Grand Council committee responsible for initiative 21 INI 6.<\/p>

In Geneva, the project was rejected by the Grand Council in February 2023.<\/p>

The motion was also rejected by the Vaud Grand Council in May 2023.<\/p>

The ASL is delighted with this positive outcome, given the risks to biodiversity that would have been posed by the creation of a continuous, landscaped, two-metre-wide footpath along the bank.<\/p>

The ASL's arguments had already been presented in the L\u00e9maniques N\u00b0104<\/a> in 2017.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Request for an appointment with Anne-C\u00e9cile Violland, Member of Parliament for Haute-Savoie, National Assembly Health and Environment Group - 2023 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Read the letter sent to Anne-C\u00e9cile Violland, Member of Parliament for Haute-Savoie<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Waste Act (GE) - 2022 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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In April 2022, the ASL was heard by the Environment Committee of the Grand Council of the Canton of Geneva on the draft law on waste. The ASL mainly supported the proposed articles 16 and 17, which aim to reduce plastic pollution by banning the availability of single-use plastics (bags, food packaging, takeaway food and drink containers, etc.), which we find in large quantities when cleaning up in and on the banks of aquatic environments.<\/p>

Indeed, the ASL has been supporting alternatives to disposable containers for many years and had already met with GESDEC in 2017 to promote reusable containers in takeaway catering, such as the ReCircle system already in place in many community and takeaway restaurants<\/p>

More info on\u00a0https:\/\/www.recircle.ch\/fr\/<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Prevention in the event of disruption to the water treatment system due to power cuts (Haute-Savoie) - 2022 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Given the uncertain electricity supply situation during the winter of 2022-2023, and the proverbial \"better safe than sorry\", a letter has been sent to the Prefect of Haute-Savoie, asking him about the measures to be put in place in the event of power cuts, particularly with regard to water purification systems and the potential impact of a malfunction on the waters of the lake and its tributaries.

Read the letter sent to the Prefect of Haute-Savoie<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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New problematic waste: electronic cigarettes and nitrous oxide cylinders (GE) - 2022 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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During the 2022 edition of Net'L\u00e9man, the major clean-up of the lake organised by the ASL, divers from the Mora Mora club discovered two new types of waste on the seabed bordering the quay at Cologny (GE) that are causing concern to the ASL. They are disposable electronic cigarettes and cylinders of nitrous oxide used as laughing gas. The ASL has reported their presence to the geology, soil and waste service of the canton of Geneva (GESDEC) so that it can assess the potential impact of these discharges and agree on any measures to be taken. We are awaiting a response.<\/p>

What is an electronic cigarette?<\/strong><\/p>

The disposable electronic cigarette, also known as the Puff, is a stick about ten centimetres long, often coloured and topped with a mouthpiece shaped like a recorder.<\/p>

\"\"<\/p>

Made up of a protective tube, a lithium battery, electronic circuits and flavoured liquid, Puffs are particularly harmful to the environment. Given their composition, they should be taken to a waste collection centre to be treated as special waste. The sale of single-use lithium batteries is nonsense in itself, given their impact on the environment and the fact that they are designed to be recharged many times.<\/p>

In addition to their environmental impact, these cigarettes are a public health hazard. Considered as foodstuffs in Switzerland, they are not affected by regulations on tobacco advertising. Only a few cantons prohibit their sale to minors. What's more, while some of them contain no nicotine, the heaviest cigarettes contain the nicotine equivalent of 215 cigarettes.<\/p>

RTS's \"A bon entendeur\" devoted a programme to the Puffs.\u00a0<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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On the water with respect\" campaign - 2021 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The \"On the water with respect\" campaign provides information on the relationship between nature sports and the disturbance caused to wildlife and its habitats. It shows those involved in recreational activities and sports, particularly canoeing and paddling, how they can get around on the water in a way that respects nature.<\/p>

All the information on the website:\u00a0https:\/\/nature-loisirs.ch\/eau<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Motocross on Lake Geneva (Haute-Savoie) - 2021 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Several associations working to protect the environment in France, including the ASL, have written to the Haute-Savoie authorities to express their astonishment at the practice of motocross on the banks of Lake Geneva.<\/p>

Read the letter sent to the Haute-Savoie authorities<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Oil spill at Amphion (Haute-Savoie) - 2021 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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On 21 October, the ASL was informed of an accidental oil spill in Amphion (F) which required the intervention of the fire brigade. The ASL contacted the Publier town hall to obtain more information on the causes and consequences of this pollution. This was done by Monique Gasnier, who was delegated by the ASL to meet and question those responsible and to express our concerns. Her report states that she met with Mr Eynard-Machet, the deputy mayor, who told her that the pollution came from a sinking speedboat, that the boat had been removed from the water and that the small slick had been removed by the fire brigade. Two hours later, there was no visible trace of pollutant, and the return of the fish (fry) to the site was proof that the incident was over. The ASL would like to thank Monique for her efficiency and the Deputy Mayor for his availability and vigilance.<\/p>\n

It is likely that the residual hydrocarbons have dispersed to the point where they are no longer visible. The pollution of Amphion is in itself isolated, without serious consequences, but the multiplication of these accidental pollutions creates an accumulation of residues which constitutes a permanent stress for the life of the lake. It's a recurring problem, which we'll be talking about again.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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ISDI de Chauvilly (Ain) - 2021 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The proposed inert waste storage facility (ISDI) at Chauvilly (F), about which the ASL expressed its concerns in a letter to the Prefect of the Ain d\u00e9partement in October 2021, and which we also reported on in L\u00e9maniques no. 121, is also on hold. The Lyon Administrative Court has ordered that the Ain Prefect's order be temporarily suspended, ruling that the lack of an impact study was illegal and that the results of the analyses carried out by the associations and the Commune of Cessy were credible.<\/p>

Read the letter sent by the ASL to the Pr\u00e9f\u00e8te de l'Ain.<\/a>

17 May 2023: Victory! The Lyon Administrative Court has overturned Chauvilly's decision.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Tape and its impact on the environment - 2020 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Ribbons - Potential pollution by microplastics<\/p>

Read the letter sent to the communes and municipalities of the Lake Geneva region<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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OPEN shopping centre, St-Genis Pouilly, (Ain) - 2020 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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The \"Open\" project, a vast 49,000 m\u00b2 shopping centre in Saint-Genis-Pouilly (F) against which the ASL wrote to the Pr\u00e9f\u00e8te de l'Ain in December 2020, and which we reported on in L\u00e9maniques No 121, has been halted. On 2 November, the administrative judge ruled in favour of France Nature Environnement's (FNE Ain) appeal, which we congratulate. The appeal cited the destruction of the habitat of protected species such as the woodlark, yellowhammer sparrow and common pipistrelle. To obtain an exemption, the developers of the Open project will have to demonstrate that the construction of their shopping centre is in the public interest over and above the conservation of protected species.<\/p>

Read the letter sent to the Prefect of Ain<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Ammunition in Lake Geneva - 2019 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Following the publication in the press of new images showing ammunition boxes covered in mussels and not protected by sediment - contrary to what the authorities had claimed in the past - the ASL had written an open letter to the Federal Council in December 2019, asking it to draw up an inventory of these munitions, to assess the condition of the depots and the environmental risk, and to take protective measures that were commensurate with the risks involved.<\/p>

In Geneva, the D\u00e9partement du territoire (DT) announced at a press conference in May that the study, carried out over an area of 1.5km2 between December 2021 and April 2022, had identified 682 magnetic points or sonar signals ranging from parasols to ammunition boxes and fish traps.\u00a0<\/p>

In a second phase, the searches carried out by an underwater camera robot (ROV) focused on 14 areas likely to provide quality samples. Among these areas of interest, two sectors were observed by professional divers who recovered ammunition of various calibres, some possibly dating from 1962.<\/p>

According to the DT, these munitions present an extremely low risk of spontaneous explosion. The scenario of a chain reaction also seems very unlikely. Whether or not they are covered in sediment, intact or corroded, the munitions submerged in the test area would be harmless as long as they remain at a constant depth and are not subjected to excessive voluntary stress or percussion.\u00a0<\/p>

Further research is planned to provide a register of these munitions and tangible evidence as to whether the military equipment should be withdrawn. A clean-up project will then be designed and implemented.<\/p>

It should be noted that the Petit lac is the place where the largest quantity of material is believed to have been submerged.<\/p>

Read the ASL's letter to the Federal Council in 2019.<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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A new port at Amphion (Haute-Savoie) - 2019 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Project to extend the port of Amphion, including the creation of a \"port village<\/p>

Read the letter sent to the Mayor of Amphion<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Opposition to jet-skiing on Lake Geneva (Haute-Savoie) - 2014 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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Following a ruling by the Lyon Court of Appeal invalidating a ban on jet-skiing on Lake Geneva imposed by the Prefect of Haute-Savoie in 1989, new navigation regulations are being drawn up for the French part of Lake Geneva. This has been entrusted to the Haute-Savoie Departmental Directorate of Territories, which is carrying out a wide-ranging consultation of lake users (professionals, environmental protection associations).<\/p>

In view of the numerous problems likely to be generated by the practice of this sport (noise pollution, conflicts of use, lack of safety, danger, etc.), the French group of the ASL has joined forces with the \"Le L\u00e9man sans jet-ski\" collective to oppose its authorisation on Lake Geneva.<\/p>

Read our quarterly on the subject<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t

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Quagga mussels and invasive alien species: acting now for the future - 2011 <\/div><\/span>\n\t\t\t\t\t\t\t\n\t\t\t<\/path><\/svg><\/span>\n\t\t\t<\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t
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First detected in Switzerland in 2011, the Quagga mussel has rapidly made itself at home in most of the country's large lakes, and its invasion is set to cause considerable economic and ecological costs. In order to halt its spread and prevent the arrival of new invaders, the Canton of Vaud is conducting an information campaign on the various vectors of contamination and the methods of combating it, aimed at the fishing, boating and diving communities.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t

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Media gallery<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tLake Geneva is a haven of peace for birds \t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\n\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tThe Rh\u00f4ne accounts for 80% of the water flowing into Lake Geneva\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\n\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\tFlora plays a very important role in the biodiversity of Lake Geneva\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

Surveillance du lac Outre sa pr\u00e9sence dans plusieurs commissions (p\u00eache et ports au canton de Gen\u00e8ve, Forum Grand Gen\u00e8ve, Thonon Agglo, Comit\u00e9s de Rivi\u00e8res), l\u2019ASL intervient aupr\u00e8s des autorit\u00e9s lorsqu\u2019elle le juge n\u00e9cessaire surface du lac = 90 000 terrains de football 0 km\u00b2 lin\u00e9aire de rivi\u00e8res alimentant le L\u00e9man 0 km profondeur maximal du […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"class_list":["post-434","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/pages\/434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/comments?post=434"}],"version-history":[{"count":77,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/pages\/434\/revisions"}],"predecessor-version":[{"id":21856,"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/pages\/434\/revisions\/21856"}],"wp:attachment":[{"href":"https:\/\/asleman.org\/en\/wp-json\/wp\/v2\/media?parent=434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}